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Welcome to the complete Stdiam collection. From breathtaking engagement rings to everyday essentials, discover the world's most brilliant, ethically sourced moissanite. For every piece you choose, we plant 10 trees to restore our planet

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  • Stdiam Premium Moissanite Jewelry- Stdiam
    Cushion Moissanite Pave Ring - Silver
    Highlights & Features Inspired by a 'Radiant Heart,' the Eternal Cushion Halo Ring captures the moment two souls find forever. The Cushion Cut’s soft corners represent the gentle strength of a lasting bond, while the Halo symbolizes an unbreakable circle of light Specifications Center...
    from $179.00
    from $179.00
    • Silver
    • Gold
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  • Ballad Three-Quarter Coverage Lab Moissanite RingBallad Three-Quarter Coverage Lab Moissanite Ring
    Ballad Three-Quarter Coverage Lab 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...
    $89.90
    $0.00
    $89.90
    • Silver
    • Gold
    • Rose
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  • Stdiam Premium Moissanite Jewelry- StdiamRoyal Princess Cut Halo Moissanite Ring
    Royal Princess Cut Halo Moissanite Ring - Silver
    Highlights & Features Inspired by the architectural beauty of modern royalty, this ring features a sharp princess-cut moissanite surrounded by a brilliant halo. The geometric precision of the center stone is balanced by the delicate sparkle of the pavé band. It is a bold,...
    from $179.00
    from $179.00
    • Silver
    • Gold
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  • Oval moissanite engagement ring with side stones on yellow gold band
    Opera Three Stone Oval Moissanite Ring - Gold
    Highlights & Features Inspired by the perfect harmony of nature’s curves, this ring pairs a majestic oval center with two delicate pear-shaped side stones. The trilogy design represents your shared journey—past, present, and future Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX)...
    from $208.00
    $0.00
    from $208.00
    • Gold
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  • Marquise cut moissanite gold ring with twisted diamond band, luxury jewelryMarquise Cut Moissanite Twisted Vine Engagement Ring
    Marquise Cut Moissanite Twisted Vine Engagement Ring - Gold
    Highlights & Features Our design focuses on the harmony of textures. By pairing a sharp, brilliant marquise silhouette with a soft, twined metal band, we’ve created a piece that is both modern and timeless. The delicate pavé accents add just the right amount of...
    from $188.00
    $0.00
    from $188.00
    • Gold
    • Silver
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  • Oval cut moissanite solitaire engagement ring with yellow gold band
    Signature Oval Engagement Halo Moissanite Ring - Silver
    Highlights & Features Inspired by the quiet strength of modern minimalism, this ring honors the natural brilliance of the oval cut. Its elongated silhouette is designed to gracefully flatter the finger, offering a look that is both striking and slender. Specifications Center Stone Premium...
    from $138.00
    $0.00
    from $138.00
    • Silver
    • Gold
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  • Enchanted Forest Pear Vine Engagement RingEnchanted Forest Pear Vine Engagement Ring
    Enchanted Forest Pear Vine Engagement Ring - Gold
    Highlights & Features Inspired by a secret garden in bloom, this ring centers on a stunning, fiery pear-shaped moissanite. Its intricate, nature-inspired band features golden vines intertwined with delicate marquise diamond leaves. It is a harmonious blending of organic luxury and incredible brilliance, crafted...
    $238.00
    $0.00
    $238.00
    • Gold
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  • Chic 3x5mm Emerald Cut Moissanite Stacking RingChic 3x5mm Emerald Cut Moissanite Stacking Ring
    Chic 3x5mm Emerald Cut Moissanite Stacking Ring - Gold
    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...
    $398.00
    $0.00
    $398.00
    • Gold
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  • Nature's Embrace Floral Moissanite RingNature's Embrace Floral Moissanite Ring
    Nature's Embrace Floral Moissanite Ring - Gold
    Highlights & Features Inspired by the quiet magic of a sun-drenched woodland, this piece captures the moment new life emerges from the earth. The brilliant round center stone acts as a focal point of pure light, while the delicate marquise-cut emeralds and sparkling accents...
    $238.00
    $238.00
    • Gold
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  • 3mm 10pt Moissanite Row Ring - Round Brilliant Cut Moissanite Band3mm 10pt Moissanite Row Ring - Round Brilliant Cut Moissanite Band
    3mm 10pt Moissanite Row Ring - Round Brilliant Cut Moissanite Band - Gold
    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
    $0.00
    $198.00
    • Gold
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  • Gold band ring with round and marquise cut moissanite stones, elegant fine jewelryVersailles Half Coverage Lab Moissanite Ring
    Versailles Half Coverage Lab Moissanite Ring - Gold
    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...
    $154.00
    $0.00
    $154.00
    • Gold
    • Silver
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  • Stdiam Premium Moissanite Jewelry- StdiamDelicate Pear Cut Moissanite Necklace
    Delicate Pear Cut Moissanite Necklace - Gold
    Highlights & Features Stdiam™ Brilliance: Features a hand-selected, D-Color, VVS1 Moissanite centerpiece that captures and reflects light with every movement. Elegant Drape: Designed to rest perfectly along the collarbone, featuring a delicate yet durable chain for everyday grace. Heavy Gold Plating: Finished with our...
    $268.00
    $268.00
    • Gold
  • Sunniva Round Moissanite RingStdiam Premium Moissanite Jewelry- Stdiam
    Sunniva Round Moissanite Ring - Gold
    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...
    $158.00
    $0.00
    $158.00
    • Gold
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  • Sparkling Bow Moissanite BraceletStdiam Premium Moissanite Jewelry- Stdiam
    Sparkling Bow Moissanite Bracelet - Silver
    Highlights & Features Stdiam™ Brilliance: Features hand-selected, D-Color, VVS1 Clarity Moissanite stones, engineered for superior light return. Fluid Grace: Meticulously engineered links ensure flexible, comfortable movement that flatters the wrist daily. Heavy Gold Plating: Finished with our 8-Layer 18K Gold (2.5µm) standard—significantly thicker for...
    $178.00
    $0.00
    $178.00
    • Silver
  • Stdiam Premium Moissanite Jewelry- StdiamQueen Setting Oval Moissanite Ring
    Queen Setting Oval Moissanite Ring - Gold
    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...
    from $188.00
    $0.00
    from $188.00
    • Gold
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  • Stdiam Premium Moissanite Jewelry- StdiamWoman wearing a gold moissanite engagement ring with round center stone
    Chic Heart Bubble Band Engagement Ring - Silver
    Highlights & Features Inspired by pure, romantic devotion, this ring centers on a rare, breathtaking heart-shaped diamond. It is set upon a unique band of delicate, bubble-style scalloped pavé, creating a brilliant, floating sparkle. This piece is a playful yet luxurious statement, crafted for...
    from $178.00
    $0.00
    from $178.00
    • Silver
    • Gold
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  • Half Bezel Oval Moissanite RingHalf Bezel Oval Moissanite Ring
    Half Bezel Oval 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
    $0.00
    $238.00
    • Silver
    • Gold
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  • Emerald cut moissanite engagement ring with gold band and side accent stonesVersailles Half Emerald Moissanite Ring
    Versailles Half Emerald Moissanite Ring - Gold
    Highlights & Features This design finds its heart in the balance of bold lines and delicate details. The striking emerald cut is softened by a playful sequence of side stones, symbolizing the many unique facets of a shared journey. It is a modern heirloom...
    from $188.00
    $0.00
    from $188.00
    • Gold
    • Silver
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  • Ice Flower Cut Stack Moissanite Ring SetIce Flower Cut Stack Moissanite Ring Set
    Ice Flower Cut Stack Moissanite Ring Set - 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...
    $378.00
    $499.00
    $378.00
    • Silver
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  • Pear-shaped moissanite engagement ring with pavé band in white gold settingAmelie Half Coverage Pear Halo Moissanite Ring
    Amelie Half Coverage Pear Halo Moissanite Ring - Silver
    Highlights & Features Our Pear Halo ring is a study in fluid balance and organic grace. The elegant, tapered silhouette represents a fusion of soft curves and sharp independence, while the pavé band adds timeless femininity. With a hidden halo, we’ve created a light...
    from $188.00
    from $188.00
    • Silver
    • Gold
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  • 7 Stones Moissanite Ring
    7 Stones 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...
    $138.00
    $138.00
    • Silver
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  • Stdiam Premium Moissanite Jewelry- Stdiam
    Luxurious Four-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...
    from $118.00
    $0.00
    from $118.00
    • Silver
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  • Classic six-prong moissanite ringClassic six-prong moissanite ring
    Classic six-prong moissanite ring - Gold
    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...
    from $138.00
    $0.00
    from $138.00
    • Gold
    • Silver
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  • Oval cut moissanite engagement ring in a sleek silver solitaire settingProvence Solitaire Moissanite Ring
    Provence Solitaire 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...
    from $188.00
    $0.00
    from $188.00
    • Silver
    • Gold
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  • Fireworks Moissanite Stud EarringsFireworks Moissanite Stud Earrings
    Fireworks Moissanite Stud Earrings - Silver
    Highlights & Features Stdiam™ Brilliance: Illuminating the face, features hand-selected D-Color, VVS1 Moissanite engineered for maximum fire and brilliance. All-Day Comfort: Perfectly balanced for everyday wear, featuring secure backings that sit flush and comfortably against the earlobe without pulling. Heavy Gold Plating: Finished with...
    $138.00
    $0.00
    $138.00
    • Silver
    • Gold
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  • Solitaire Wavy Moissanite RingWoman wearing a moissanite engagement ring with a curved band and solitaire stone
    Solitaire Wavy 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...
    $168.00
    $0.00
    $168.00
    • Silver
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  • Classic Oval Halo Moissanite Engagement Ring with Pavé Band
    Classic Oval Halo Moissanite 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...
    from $188.00
    $0.00
    from $188.00
    • Silver
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  • Rectangular Emerald-Cut Moissanite RingRectangular Emerald-Cut Moissanite Ring
    Rectangular Emerald-Cut Moissanite Ring - Gold
    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...
    from $178.00
    $0.00
    from $178.00
    • Gold
    • Silver
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  • Oval Moissanite Stacking Ring SetOval Moissanite Stacking Ring Set
    Oval Moissanite Stacking Ring Set - 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...
    from $228.00
    $0.00
    from $228.00
    • Silver
    • Gold
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  • Stdiam Premium Moissanite Jewelry- Stdiam
    Solitaire Round Halo Moissanite Engagement Ring - Silver
    Highlights & Features Inspired by the pure essence of devotion, this classic solitaire honors the beauty of simplicity. The round brilliant is held by a four-prong setting, allowing unfiltered light to dance through its facets. Paired with a warm gold band, it represents a...
    from $168.00
    $0.00
    from $168.00
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    • Gold
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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.

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!

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.

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.

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.

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.

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.

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.