Engagement Rings

Finding the perfect ring shouldn't mean starting your journey in debt. The STDIAM Engagement Ring collection redefines modern luxury—featuring our signature STDIAM that offer more fire and brilliance than traditional diamonds. Each piece is handcrafted with elite precision and finished with 8-layer 18K gold plating for a lifetime of shine. From classic solitaires to modern hidden halos, discover an ethical, eco-friendly spark that proves being smart is the most romantic thing you can be.

Gourd-shaped Pear Moissanite Ring - Silver

Highlights & Features Nature, perfected. Inspired by the soft petals of a growing tulip, this design features an organic bezel that wraps gracefully around the stone. It's a study in balance—effortlessly harmonizing raw natural beauty with a sophisticated, polished finish. It's designed to bring...

$238.00

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$238.00

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silver Silver

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Color: Silver

Carat Size: 2.00 CARAT
2.00 CARAT

Ring Size: 4
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Color: Silver

Carat Size: 2.00 CARAT
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Half Bezel Round Moissanite Ring - Gold

Highlights & Features Nature, perfected. Inspired by the soft petals of a growing tulip, this design features an organic bezel that wraps gracefully around the stone. It's a study in balance—effortlessly harmonizing raw natural beauty with a sophisticated, polished finish. It's designed to bring...

$238.00

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$238.00

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Color: Gold

Carat Size: 2.00 CARAT
2.00 CARAT

Ring Size: 4
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Color: Gold

Carat Size: 2.00 CARAT
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Petite Twisted Vine Emerald Moissanite Ring - Silver

Highlights & Features Inspired by Art Deco vintage charm, this striking emerald cut moissanite ring features step facets that draw the eye. Crafted in 18K gold plated silver, it delivers timeless elegance for anyone to wear daily. Embrace sustainable beauty with this mining-free piece,...

Depuis $188.00

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Color: Silver

Carat Size: 1.00 Carat
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Ring Size: 4
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Color: Silver

Carat Size: 1.00 Carat
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Petite Twisted Vine Princess Moissanite Ring - Silver

Highlights & Features Capturing vintage romance, this brilliant princess cut moissanite ring radiates classic beauty with its precise geometry. Set in durable 18K gold plated silver, it offers everyday sophistication for anyone. Discover quiet luxury with this mining-free jewelry, crafted to The Stdiam Standard™....

Depuis $188.00

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Color: Silver

Carat Size: 1.00 Carat
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Color: Silver

Carat Size: 1.00 Carat
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Petite Twisted Vine Radiant Moissanite Ring - Silver

Highlights & Features Inspired by vintage glamour, this dazzling radiant cut moissanite ring blends brilliant facets with classic retro charm. Crafted in 18K gold plated silver, it offers timeless elegance for anyone to wear daily. Experience quiet luxury with this mining-free jewelry, crafted to...

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Color: Silver

Carat Size: 1.00 Carat
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Color: Silver

Carat Size: 1.00 Carat
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Petite Twisted Vine Heart Moissanite Ring - Silver

Highlights & Features Inspired by vintage romance, this elegant heart cut moissanite ring captures timeless beauty with a retro twist. Crafted in 18K gold plated silver, it offers a sophisticated look for anyone to wear daily. Embrace sustainable quiet luxury with this mining-free jewelry...

Depuis $188.00

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silver Silver

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Color: Silver

Carat Size: 1.00 Carat
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Color: Silver

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Petite Twisted Vine Round Moissanite Ring - Silver

Highlights & Features Drawing from vintage heritage, this timeless round cut moissanite ring delivers unmatched brilliance and retro appeal. Set in 18K gold plated silver, it provides effortless everyday sophistication for anyone. Embrace sustainable quiet luxury with this mining-free piece, true to The Stdiam...

Depuis $188.00

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Color: Silver

Carat Size: 1.00 Carat
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Color: Silver

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Opera Three Stone Asscher Moissanite Ring - Silver

Highlights & Features A breathtaking tribute to vintage glamour and geometric perfection. This masterpiece features a mesmerizing, step-cut Asscher moissanite center stone, flanked by two substantial 0.50-carat side stones. Each side stone is meticulously selected and perfectly matched in D-color and VVS1 clarity to...

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Color: Silver

Carat Size: 1.00 CT (2.00 TCW)
1.00 CT (2.00 TCW)

2.00 CT (3.00 TCW)

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Color: Silver

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Opera Three Stone Princess Moissanite Ring - Silver

Highlights & Features Defined by sharp angles and modern brilliance, the princess-cut moissanite delivers exceptional fire with a contemporary edge. Its clean symmetry and radiant sparkle embody confident elegance—perfect for those who embrace bold, modern luxury. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade...

Depuis $208.00

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silver Silver

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Color: Silver

Carat Size: 1.00 CT (2.00 TCW)
1.00 CT (2.00 TCW)

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Color: Silver

Carat Size: 1.00 CT (2.00 TCW)
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Opera Three Stone Pear Moissanite Ring - Silver

Highlights & Features A graceful fusion of round brilliance and marquise elegance, the pear-cut moissanite elongates the silhouette with fluid sophistication. Romantic yet striking, its teardrop form captures light beautifully, symbolizing individuality and refined femininity. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent...

Depuis $208.00

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silver Silver

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Color: Silver

Carat Size: 1.00 CT (2.00 TCW)
1.00 CT (2.00 TCW)

2.00 CT (3.00 TCW)

3.00 CT (4.00 TCW)

4.00 CT (5.00 TCW)

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Color: Silver

Carat Size: 1.00 CT (2.00 TCW)
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3.00 CT (4.00 TCW)

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Opera Three Stone Cushion Moissanite Ring - Gold

Highlights & Features Softly rounded edges meet exceptional brilliance in the cushion-cut moissanite. Inspired by vintage romance, its pillow-like shape radiates warmth and depth, offering a perfect balance of classic charm and modern luxury. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX)...

Depuis $208.00

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gold Gold

silver Silver
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Color: Gold

Carat Size: 1.00 CT (2.00 TCW)
1.00 CT (2.00 TCW)

2.00 CT (3.00 TCW)

3.00 CT (4.00 TCW)

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Color: Gold

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Opera Three Stone Radiant Moissanite Ring - Gold

Highlights & Features Combining the elegance of step cuts with the fire of brilliant facets, the radiant-cut moissanite exudes dynamic sparkle. Its bold structure and vibrant light performance create a powerful expression of contemporary luxury. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent...

Depuis $218.00

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silver Silver

gold Gold
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Color: Gold

Carat Size: 1.00 CT (2.00 TCW)
1.00 CT (2.00 TCW)

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Color: Gold

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Opera Three Stone Round Moissanite Ring - Gold

Highlights & Features The ultimate symbol of brilliance, the round-cut moissanite is crafted for maximum fire and light return. Timeless and iconic, it represents pure elegance—an enduring choice for those who value classic luxury at its finest. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut...

Depuis $208.00

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gold Gold

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Color: Gold

Carat Size: 1.00 CT (2.00 TCW)
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Color: Gold

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Opera Three Stone Emerald Moissanite Ring - Silver

Highlights & Features A refined expression of modern luxury, this ring features a striking emerald-cut moissanite, prized for its clean lines and captivating brilliance. Accented by elegant pear-shaped side stones, the design achieves perfect balance and radiance. Sleek, polished, and timeless, it embodies understated...

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Color: Silver

Carat Size: 1.00 CT (2.00 TCW)
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Color: Silver

Carat Size: 1.00 CT (2.00 TCW)
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Demi Three-Quarter Coverage Moissanite Ring - Silver

Highlights & Features Inspired by the architectural clarity of Art Deco, this Emerald cut ring celebrates transparency and depth. Its hall-of-mirrors effect symbolizes an honest, timeless grace. Set in ethical, mining-free 18K gold over silver, it’s a minimalist masterpiece designed for those who value...

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silver Silver

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Color: Silver

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Color: Silver

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Unique Asscher Cut Moissanite Ring - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

$218.00

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silver Silver
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Color: Silver

Carat Size: 2.00 CT (3.00 TCW)
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Color: Silver

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Opera Three Stone Marquise Moissanite Ring - Gold

Highlights & Features With its elongated form and pointed ends, the marquise-cut moissanite creates a dramatic, regal presence. Designed to maximize visual size and brilliance, it embodies bold sophistication and distinctive luxury. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts &...

Depuis $208.00

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Color: Gold

Carat Size: 1.00 CT (2.00 TCW)
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Color: Gold

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Versailles Hidden Halo Marquise Moissanite Ring - Gold

Highlights & Features Inspired by vintage royalty, this Marquise Cut Moissanite Engagement Ring features an elegant elongated shape and a secret hidden halo for extra fire. Crafted in 18K gold plated sterling silver, this marquise hidden halo ring offers a unique silhouette for mining-free...

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Color: Gold

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Color: Gold

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Signature Marquise Engagement Halo Moissanite Ring - Gold

Highlights & Features Exuding regal elegance, this exquisite Marquise Moissanite Ring redefines sustainable luxury. Its brilliant elongated cut gracefully flatters the hand, while a delicate hidden halo unveils secret radiance from every angle. A timeless masterpiece for the modern romantic Specifications Center Stone Premium...

Depuis $198.00

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Color: Gold

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Color: Gold

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Petite Twisted Vine Oval Moissanite Ring - Gold

Highlights & Features Inspired by intertwining vines, this oval cut moissanite ring captures quiet luxury and Nordic minimalism. The twisted gold band with pavé stones offers timeless elegance for anyone to wear daily. Crafted to The Stdiam Standard™, our mining-free moissanite defines sustainable fine...

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Color: Gold

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Color: Gold

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Vine-shaped Design Moissanite Ring - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

$198.00

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silver Silver
Teardrop Shape Moissanite Ring - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

Depuis $168.00

Depuis $168.00

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silver Silver

gold Gold
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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

Ring Size: 4
4

4.5

5

5.5

6

6.5

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7.5

8

8.5

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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

Ring Size: 4
4

4.5

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5.5

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Luxurious Six-prong Moissanite Ring - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

Depuis $128.00

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Depuis $128.00

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silver Silver
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Color: Silver

Carat Size: 0.50 CARAT
0.50 CARAT

1.00 CARAT

2.00 CARAT

3.00 CARAT

5.00 CARAT

Ring Size: 5
5

5.5

6

6.5

7

7.5

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8.5

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10

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Color: Silver

Carat Size: 0.50 CARAT
0.50 CARAT

1.00 CARAT

2.00 CARAT

3.00 CARAT

5.00 CARAT

Ring Size: 5
5

5.5

6

6.5

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Anthology Half Coverage Moissanite Ring (1/2 ct. tw.) - Silver

Highlights & Features Ancient forests whisper to the stars, turning shadows into silver light. This round cut moissanite ring embodies that stillness with a minimalist 18k gold plated silver setting. Every mining-free gem honors the earth through our 1 Order = 1 Tree mission....

Depuis $198.00

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silver Silver

gold Gold
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Color: Silver

Carat Size: 1.00 Carat
1.00 Carat

2.00 Carat

3.00 Carat

3.5.00 Carat

Ring Size: 4
4

4.5

5

5.5

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6.5

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7.5

8

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10

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Color: Silver

Carat Size: 1.00 Carat
1.00 Carat

2.00 Carat

3.00 Carat

3.5.00 Carat

Ring Size: 4
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4.5

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Eternity Moissanite Marquise Round Halo Wedding Band - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

$168.00

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$168.00

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silver Silver
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Color: Silver

Carat Size: 0.70 Carat
0.70 Carat

Ring Size: 5
5

5.5

6

6.5

7

7.5

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8.5

9

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Color: Silver

Carat Size: 0.70 Carat
0.70 Carat

Ring Size: 5
5

5.5

6

6.5

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7.5

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8.5

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Demi Three-Quarter Coverage Oval Moissanite Ring - Silver

Highlights & Features Our design focuses on the purity of light. By elevating the majestic oval cut on a nearly invisible pave band, we’ve created an effect of floating brilliance. It’s a minimalist tribute to maximal sparkle, engineered to draw all attention to the...

Depuis $178.00

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Depuis $178.00

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silver Silver

gold Gold
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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

3.00 CARAT

5.00 CARAT

6.00 CARAT

8.00 CARAT

Ring Size: 4
4

4.5

5

5.5

6

6.5

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7.5

8

8.5

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10

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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

3.00 CARAT

5.00 CARAT

6.00 CARAT

8.00 CARAT

Ring Size: 4
4

4.5

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5.5

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6.5

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7.5

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10

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Viviana Three-Quarter Coverage Moissanite Ring - Silver

Highlights & Features Defined by purity of form and refined proportion, this design highlights a marquise-cut moissanite of striking clarity and light. Its elongated silhouette creates a sense of balance and quiet strength, while the pavé-set band adds a subtle brilliance. An expression of...

Depuis $198.00

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Depuis $198.00

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silver Silver

gold Gold
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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

3.00 CARAT

Ring Size: 4
4

4.5

5

5.5

6

6.5

7

7.5

8

8.5

9

10

11

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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

3.00 CARAT

Ring Size: 4
4

4.5

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5.5

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Brilliant Moissanite Solitaire Engagement Ring with Pavé Band - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

Depuis $168.00

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silver Silver
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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

3.00 CARAT

4.00 CARAT

Ring Size: 4.5
4.5

5

5.5

6

6.5

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7.5

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8.5

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10

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Color: Silver

Carat Size: 1.00 CARAT
1.00 CARAT

2.00 CARAT

3.00 CARAT

4.00 CARAT

Ring Size: 4.5
4.5

5

5.5

6

6.5

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7.5

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Moissanite Cathedral Engagement Ring - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

Depuis $168.00

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silver Silver
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Color: Silver

Carat Size: 1.00 Carat
1.00 Carat

2.00 Carat

3.00 Carat

5.00 Carat

Ring Size: Free
Free

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Color: Silver

Carat Size: 1.00 Carat
1.00 Carat

2.00 Carat

3.00 Carat

5.00 Carat

Ring Size: Free
Free

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The Radiant Halo Round Moissanite Ring - Silver

Highlights & Features Stdiam™ Fire: Hand-selected D/VVS1 Moissanite with a higher refractive index than traditional diamonds. Heavy Gold Plating: 8-Layer 18K Gold (2.5µm)—engineered for a lasting, radiant shine. Heirloom Packaging: Presented in our signature Handcrafted Walnut Wood Box. Ethical Luxury: 100% Lab-grown, conflict-free, and...

$218.00

~~$0.00~~
$218.00

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silver Silver
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Color: Silver

Carat Size: 1.00 Carat
1.00 Carat

Ring Size: 4.5
4.5

5

5.5

6

6.5

7

7.5

8

8.5

9

9.5

10

Quantité:

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Color: Silver

Carat Size: 1.00 Carat
1.00 Carat

Ring Size: 4.5
4.5

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Discover Stdiam’s Moissanite Engagement Rings

Stdiam’s moissanite engagement rings are the perfect blend of elegance, brilliance, and meaning. Each gemstone dazzles with exceptional sparkle, rivaling traditional diamonds, while being ethically and sustainably created in the lab. Moissanite’s fascinating story dates back to 1893 when Dr. Henri Moissan, a Nobel Prize-winning chemist, first discovered it in a meteor crater. Today, Stdiam brings you these extraordinary gems, offering couples a stunning, sustainable, and affordable choice for a lifetime of love.

Explore a Variety of Carat Sizes With Stdiam

When choosing the perfect moissanite, the range of carat sizes gives you so many possibilities to match your style. Whether you’re after a timeless, subtle ring with a smaller carat or a bold statement piece with a larger stone, there’s something for everyone. Plus, here’s a little bonus: moissanite is lighter than diamonds, so it often looks bigger than a diamond of the same carat size. That means you can get the look you love without breaking the bank. It’s all about finding what feels just right for you!

Explore Your Perfect Style and Shape with Stdiam

Stdiam’s moissanite engagement rings come in a wide range of exquisite styles to reflect every personality and taste. Whether you’re drawn to the sleek, modern elegance of a minimalist solitaire or the romantic allure of a vintage-inspired halo, there’s a ring made just for you. Popular cuts like round and oval showcase dazzling brilliance, while emerald and radiant cuts add timeless sophistication. Many designs even offer customization, allowing you to add a personal touch and create a ring as unique as your love story.

Buy Now Online!

Stdiam’s moissanite engagement rings are more than just breathtaking—they’re a thoughtful choice in every way. With brilliance that rivals traditional diamonds, they offer stunning sparkle while remaining ethical and budget-friendly. Their durability makes them perfect for everyday wear, so your love shines as brightly as your ring. If you care about the planet and want a piece that truly tells your unique story, moissanite is an exceptional choice. From simple elegance to refined sophistication, there’s a style waiting to reflect your personal taste. Explore our collection and find the ring made just for you.

How to Clean Moissanite Rings?

To clean your moissanite ring at home, you can use a simple solution of warm water and mild dish soap.Gently scrub the stone with a soft-bristled brush,rinse thoroughly,and pat it dry with a soft cloth. For a deeperclean, you can soak the ring in a solution of warm water and baking soda for a few minutes before scrubbing.Avoid using harsh chemicals or abrasive cleaners, as these can damage the stone or the setting.

Where to Buy Moissanite Rings?

Moissanite rings can be purchased from Stdiam, a trusted retailer specializing in high-quality moissanitejewelry. When choosing Stdiam,you can count on exceptional craftsmanship,reliable customer service,and a commitment to quality.

Where Do They Mine Moissanite Rings?

Natural moissanite is incredibly rare, so rare that it is not mined for commercial use. The moissanite used injewelry today is created in laboratories. This process involves using thermal growing techniques to cultivatelarge crystals of moissanite. These lab-created moissanites have the same physical and optical properties asnatural moissanite, making them indistinguishable to the naked eye.

What is a Moissanite Ring?

A moissanite ring is a ring that features a lab-created gemstone called moissanite.It is a popular alternativeto diamond rings because of its similar appearance, durability,and affordability. Moissanite is known for itsexceptional brilliance and fire,giving it a unique sparkle.,It is also an ethical and sustainable choice, as it is notassociated with the environmental and social concerns surrounding diamond mining.

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