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.

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  • Luise Oval Solitaire Tulip Hidden Halo Moissanite Ring
    Luise Oval Solitaire Tulip Hidden Halo Moissanite Ring - Gold
    Highlights & Features Evoking the romance of a spring garden, the Tulip setting marries floral grace with brilliant moissanite. Delicate golden petals cradle the center stone, revealing a hidden halo that offers a whisper of secret sparkle. Designed for the refined romantic, it is...
    from $198.00
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    from $198.00
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  • Oval moissanite engagement ring with pavé band on white background
    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...
    from $178.00
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    from $178.00
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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
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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
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  • Oval moissanite engagement ring with side stones on yellow gold band
    Florence 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
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    from $208.00
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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 Celebrating classic romance, this elegant solitaire features a sleek, delicately tapered band designed to perfectly illuminate the breathtaking beauty of the oval center stone. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid S925...
    from $188.00
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    from $188.00
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  • Oval moissanite halo engagement ring with pavé band in white metal, sparkling center stone
    Eternal Glow Oval Moissanite Ring in 18K Yellow Gold Vermeil - Silver
    Highlights & Features Inspired by the soft curves of a morning dewdrop, this Oval-cut moissanite ring offers a modern take on classic brilliance. The elongated shape is artfully designed to flatter the finger while maximizing fire and sparkle. Framed by a delicate halo, it...
    from $189.00
    from $189.00
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  • Stdiam Premium Moissanite Jewelry- StdiamQueen Setting Oval Moissanite Ring
    Queen Setting Oval Moissanite Ring - Gold
    Highlights & Features Inspired by the gentle curves of nature, this seamless bezel setting embraces a radiant oval gem. A minimalist design blending timeless romance with modern, everyday elegance. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base...
    from $188.00
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    from $188.00
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  • Signature Marquise Engagement Halo Moissanite RingSignature Marquise Engagement Halo Moissanite Ring
    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...
    from $198.00
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    from $198.00
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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
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    from $188.00
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  • Marquise Cut Moissanite Halo Ring in 18K Gold Plated Vermeil
    Marquise Cut Moissanite Halo Ring in 18K Gold Plated Vermeil - Silver
    Highlights & Features Inspired by the celestial glow of a star, this Marquise-cut moissanite ring radiates timeless elegance. The unique elongated silhouette, masterfully framed by a brilliant halo and a pavé-set band, is crafted to maximize light and grace. A perfect fusion of vintage...
    from $179.00
    from $179.00
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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
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    $238.00
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  • Florence Opera Three Stone Round Moissanite Ring
    Florence 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...
    from $208.00
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    from $208.00
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  • Éclat Lumière Emerald Cut Moissanite RingÉclat Lumière Emerald Cut Moissanite Ring
    Éclat Lumière Emerald Cut Moissanite Ring - Silver
    Highlights & Features Inspired by timeless elegance and architectural beauty, the Éclat Lumière ring features a breathtaking emerald cut moissanite designed to capture clarity and refined brilliance. Its clean lines and classic silhouette embody modern luxury, sophistication, and everlasting elegance. Specifications Center Stone Premium...
    from $288.00
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    from $288.00
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  • Signature Princess Engagement Halo Moissanite RingSignature Princess Engagement Halo Moissanite Ring
    Signature Princess Engagement Halo Moissanite Ring - Gold
    Highlights & Features Crafted around a striking Princess Cut moissanite, the hidden halo adds a secret layer of brilliance—an elegant detail designed to celebrate life’s most meaningful moments. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    from $198.00
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    from $198.00
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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 Effortless elegance meets daily comfort. Featuring a dazzling half-circle of 3mm round moissanite, it pairs flawlessly with delicate everyday bands for a customized, layered stack. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    $198.00
    $0.00
    $198.00
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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
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  • Vintage Crown Moissanite Wedding BandStdiam Premium Moissanite Jewelry- Stdiam
    Vintage Crown Moissanite Wedding Band - Gold
    Highlights & Features Inspired by celestial orbits, this elegant eternity band features alternating round moissanite stones, creating a scintillating rhythm of light. A minimalist symbol of timeless beauty. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    $178.00
    $178.00
    • Gold
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  • Five Stones Pear Moissanite RingFive Stones Pear Moissanite Ring
    Five Stones Pear Moissanite Ring - Silver
    Highlights & Features Inspired by a crescendo of light, this exquisite five-stone ring features a stunning pear-shaped center Stdiam™ Moissanite flanked by graduated round brilliants. The tapered design draws the eye inward, magnifying the center stone's brilliance. Set in warm yellow gold, it is...
    from $218.00
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    from $218.00
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  • Stdiam Premium Moissanite Jewelry- StdiamModern Bezel Set Square Asscher Moissanite Ring
    Modern Bezel Set Square Asscher Moissanite Ring - Gold
    Highlights & Features Embrace the essence of quiet luxury with our Asscher Cut Bezel Ring. Featuring a mesmerizing, step-cut centerpiece secured in a sleek, modern bezel setting, this ring is designed for the modern minimalist Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent...
    from $168.00
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    from $168.00
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  • Emerald-cut moissanite ring featuring an 18K white gold-plated band set with pavé diamonds; an elegant solitaire-style engagement 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
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    from $188.00
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  • Marquise cut moissanite ring with side stones set in yellow gold
    Florence 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 &...
    from $208.00
    $0.00
    from $208.00
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  • Marquise-cut moissanite ring featuring an 18K white gold-plated band set with pavé diamonds; an elegant solitaire-style engagement ring.Versailles Marquise Moissanite Ring
    Versailles Marquise Moissanite Ring - Gold
    Highlights & Features The STDIAM Versailles Marquise Moissanite Ring blends regal luxury with modern elegance. A stunning marquise-cut center stone naturally flatters the finger, while brilliant side stones add timeless sparkle. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows...
    from $198.00
    $0.00
    from $198.00
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  • Oval moissanite engagement ring in yellow gold with twisted diamond bandPetite Twisted Vine Oval Moissanite Ring
    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...
    from $198.00
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    from $198.00
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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
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  • Classic six-prong moissanite ringClassic six-prong moissanite ring
    Classic six-prong moissanite ring - Gold
    Highlights & Features Effortlessly chic. A brilliant round moissanite is secured by a delicate six-prong setting, maximizing light return for endless sparkle. A timeless statement for your everyday style. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base...
    from $168.00
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    from $168.00
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  • Amélie Écla 2 Carat Oval Cut Moissanite Hidden Halo Tapered Shank RingAmélie Écla 2 Carat Oval Cut Moissanite Hidden Halo Tapered Shank Ring
    Amélie Écla 2 Carat Oval Cut Moissanite Hidden Halo Tapered Shank Ring - Silver
    Highlights & Features Inspired by timeless elegance and modern romance, the Amélie Écla Ring captures the beauty of understated luxury. Featuring a brilliant 2 carat oval cut moissanite, a hidden halo adds a delicate touch of sparkle, while the tapered shank creates a refined,...
    $268.00
    $0.00
    $268.00
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  • Round bezel moissanite engagement ring with a polished 2.6mm yellow gold bandRound bezel moissanite engagement ring on finger featuring a polished 2.6mm comfort-fit band.
    Luna Bezel Moissanite Engagement Ring – 2.6mm Band - Silver
    Highlights & Features The Luna Bezel Moissanite Ring celebrates modern simplicity with timeless elegance. Inspired by the soft silhouette of the moon, the smooth bezel setting embraces the center stone in a seamless circle of precious metal, creating a refined and contemporary look. Its...
    $258.00
    $0.00
    $258.00
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  • Lumière Éternel 1.5 Carat Oval Moissanite Solitaire Ring
    Lumière Éternel 1.5 Carat Oval Moissanite Solitaire Ring - Silver
    Highlights & Features Inspired by timeless elegance and modern romance, the Lumière Éternelle ring showcases the graceful beauty of an oval silhouette. Featuring a brilliant 1.5 carat moissanite, its refined design captures light effortlessly, creating a sophisticated expression of enduring love and effortless luxury....
    $268.00
    $0.00
    $268.00
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    • Gold
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  • Emerald Cut Moissanite Engagement Ring in Gold Plated S925 SilverSolitaire Emerald Halo Moissanite Engagement Ring
    Solitaire Emerald Halo Moissanite Engagement Ring - Gold
    Highlights & Features A mesmerizing emerald-cut moissanite reveals a secret glow. A delicate hidden halo rests beneath the center stone, adding an unexpected whisper of light. Pure, understated elegance from every angle. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts &...
    from $178.00
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    from $178.00
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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.