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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 1 trees to restore our planet

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  • オススメ
  • 関連性が最も高い
  • ベストセラー
  • アルファベット順, A-Z
  • アルファベット順, Z-A
  • 価格の安い順
  • 価格の高い順
  • 古い商品順
  • 新着順
  • Eternal Teardrop Trio: 2ct Pear Moissanite Statement RingEternal Teardrop Trio: 2ct Pear Moissanite Statement Ring
    Eternal Teardrop Trio: 2ct Pear Moissanite Statement Ring - Silver
    Highlights & Features Inspired by intertwining vines and celestial orbits, this pear-cut moissanite ring embodies minimalist elegance. Its sweeping band beautifully cradles the brilliant stones, reflecting nature's harmony. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    $258.00
    $0.00
    $258.00
    • Silver
    • Gold
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  • Aura 2ct Oval Moissanite Open Bypass RingWoman wearing a gold moissanite solitaire ring, close-up on hand and gemstone jewelry
    Aura 2ct Oval Moissanite Open Bypass Ring - Silver
    Highlights & Features Inspired by nature's graceful movements, this elegant bypass band fluidly embraces a brilliant oval cut diamond. A modern, sculptural design symbolizing two paths beautifully joining as one. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal...
    $218.00
    $0.00
    $218.00
    • Silver
    • Gold
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  • Gold chain necklace with round brilliant moissanite solitaire pendant on white backgroundGold chain necklace with round moissanite pendant in bezel setting on white background.
    Round Moissanite Bezel Set Pendant Necklace - Gold
    Highlights & Features Inspired by the beauty of timeless simplicity, this round moissanite pendant features a sleek bezel setting that embraces the stone’s brilliance while creating a clean, modern silhouette. Designed for effortless elegance, it offers a refined sparkle that transitions beautifully from everyday...
    から $178.00
    $0.00
    から $178.00
    • Gold
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  • Heart-shaped moissanite solitaire ring with gold band on white backgroundWoman wearing a heart-shaped moissanite engagement ring on her hand
    Elegant 18k Gold Plated Sweet Heart Shape Moissanite Ring - Gold
    Highlights & Features Celebrate self-love with this exquisite Heart-Shaped Moissanite Ring. Crafted in premium 18K gold-plated silver, its romantic cut shines brilliantly, while a delicate hidden halo unveils secret radiance. A timeless masterpiece of sustainable luxury Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade...
    から $188.00
    $0.00
    から $188.00
    • Gold
    • Silver
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  • 2ct Cushion Moissanite Twisted Vine RingWoman wearing a gold moissanite engagement ring with a round brilliant stone
    2ct Cushion Moissanite Twisted Vine Ring - Gold
    Highlights & Features A symbol of two souls intertwined, this ring pairs a radiant cushion-cut moissanite with a delicately twisted pavé band. Elegant, timeless, and full of meaning, it celebrates love, strength, and life's most precious moments. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut...
    $279.00
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    $279.00
    • Gold
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  • Oval cut moissanite halo engagement ring in sterling silver with pavé bandVintage-Inspired Oval Moissanite Halo Ring
    Vintage-Inspired Oval Moissanite Halo Ring - Silver
     Highlights & Features Inspired by a vintage floral bloom, this delicate design in frames an oval gem within a shimmering milgrain-detailed halo and pavé-set split shanks. Classic, elegant, and timeless grace. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal...
    $138.00
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    $138.00
    • Silver
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  • Emerald cut moissanite engagement ring with side stones on yellow gold bandClassic Three-Stone Emerald Moissanite Ring
    Classic Three-Stone Emerald Moissanite Ring - Silver
    Highlights & Features Evoking timeless architectural elegance, this classic three-stone design showcases a striking emerald-cut moissanite framed by sleek tapered baguettes. A minimalist masterpiece of modern luxury. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid S925...
    $238.00
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    $238.00
    • Silver
    • Gold
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  • Adjustable Oval Cut Moissanite RingAdjustable Oval Cut Moissanite Ring
    Adjustable Oval Cut Moissanite Ring - Silver
    Highlights & Features Inspired by celestial orbits, a striking oval moissanite is perfectly balanced by two brilliant round gems. This timeless three-stone design radiates elegant Northern European luxury. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    $228.00
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    $228.00
    • Silver
    • Gold
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  • Stdiam Premium Moissanite Jewelry- StdiamWoman wearing a moissanite halo engagement ring with a square center stone
    Asscher Cut Moissanite Halo Ring in 18K Gold Plated Vermeil - Silver
    Highlights & Features Inspired by the timeless symmetry of the Jazz Age, this Asscher-cut moissanite ring is a tribute to vintage sophistication. Its distinctive square silhouette and stepped facets create a captivating "hall of mirrors" effect, reflecting light with unparalleled depth. A regal choice...
    から $179.00
    から $179.00
    • Silver
    • Gold
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  • Stdiam Premium Moissanite Jewelry- StdiamEmerald Cut Moissanite Halo Ring in 18K Gold Plated Vermeil
    Emerald Cut Moissanite Halo Ring in 18K Gold Plated Vermeil - Silver
    Highlights & Features Drawing inspiration from the sleek lines of Art Deco architecture, our Emerald-cut moissanite ring embodies understated sophistication. The stepped facets create a stunning 'hall of mirrors' effect, radiating clarity and strength. Perfectly paired with a halo, it is a modern masterpiece...
    から $179.00
    から $179.00
    • Silver
    • Gold
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  • Starlight Symphony 18K Gold Plated Moissanite Wave Eternity RingStarlight Symphony 18K Gold Plated Moissanite Wave Eternity Ring
    Starlight Symphony 18K Gold Plated Moissanite Wave Eternity Ring - Silver
    Highlights & Features Inspired by delicate botanical vines, this elegant moissanite contour band features scintillating round stones that gently curve to embrace your ring. A timeless symbol of natural beauty. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal...
    $178.00
    $178.00
    • Silver
    • Gold
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  • Scalloped Moissanite Station BandScalloped Moissanite Station Band
    Scalloped Moissanite Station Band - Silver
    Highlights & Features Inspired by the gentle rhythm of the midnight sea, this minimalist wavy contour band features delicate moissanite stones. A sophisticated symbol of nature's endless elegance. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    $178.00
    $178.00
    • Silver
    • Gold
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  • Celestial Orbit Moissanite Ring
    Celestial Orbit Moissanite Ring - Silver
    Highlights & Features Inspired by the cosmos, this modern ring features a scintillating round stone suspended within a sleek golden orbit. A celestial symbol of infinite love and elegant innovation. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal...
    $178.00
    $178.00
    • Silver
    • Gold
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  • Round Brilliant Cut Moissanite Ring - Classic Knife-Edge Shank
    Round Brilliant Cut Moissanite Ring - Classic Knife-Edge Shank - Silver
    Highlights & Features Inspired by pure Northern European minimalism, this classic six-prong solitaire features a scintillating round moissanite. A timeless expression of light luxury and pure elegance. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid S925...
    から $148.00
    から $148.00
    • Silver
    • Gold
    クイック追加
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  • Lucky Four-Leaf Clover Moissanite BraceletStdiam Premium Moissanite Jewelry- Stdiam
    Lucky Four-Leaf Clover 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
    $178.00
    • Silver
    • Gold
    • Rose Gold
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  • Pear Cut Moissanite Stud EarringsPear Cut Moissanite Stud Earrings
    Pear Cut Moissanite Stud Earrings - Gold
    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...
    から $148.00
    から $148.00
    • Gold
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  • Cross-shaped Moissanite Stud EarringsCross-shaped Moissanite Stud Earrings
    Cross-shaped Moissanite Stud Earrings - Gold
    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...
    $198.00
    $0.00
    $198.00
    • Gold
  • Aurelia 2 Carat Oval Moissanite Engagement Ring | 18K Gold PlatedAurelia 2 Carat Oval Moissanite Engagement Ring | 18K Gold Plated
    Aurelia 2 Carat Oval Moissanite Engagement Ring | 18K Gold Plated - Gold
    Highlights & Features Classic vintage elegance redefined. An exquisite 2ct oval moissanite is secured by romantic double prongs, elevated by a spectacularly sparkling pave band for a breathtaking statement. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base...
    $289.00
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    $289.00
    • Gold
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  • Celestine Royal Pear Hidden Halo Moissanite Bridal SetCelestine Royal Pear Hidden Halo Moissanite Bridal Set
    Celestine Royal Pear Hidden Halo Moissanite Bridal Set - Gold
    Highlights & Features Inspired by royal tiaras, this breathtaking bridal set features a 2ct pear moissanite enveloped in a majestic double halo. The matching contoured band completes a look of ultimate vintage romance. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts...
    $329.00
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    $329.00
    • Gold
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  • Sunniva Round Moissanite RingSunniva Round Moissanite Ring
    Sunniva Round Moissanite Ring - Silver
    Highlights & Features his captivating twisted band intertwines sleek curves with radiant moissanite pave. A fiercely chic essential that adds instant texture and dynamic energy to any look Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    $158.00
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    $158.00
    • Silver
    • Gold
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  • Laina Round Moissanite RingLaina Round Moissanite Ring
    Laina Round Moissanite Ring - Silver
    Highlights & Features Delicate openwork meets vintage romance. This ethereal band features intertwining marquise loops interspersed with radiant round moissanite stones. A fiercely elegant essential for your ring stack. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base...
    $158.00
    $0.00
    $158.00
    • Silver
    • Gold
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  • Secret Halo Asscher Moissanite RingStdiam Premium Moissanite Jewelry- Stdiam
    Secret Halo Asscher Moissanite Ring - Gold
    Highlights & Features A masterclass in subtle luxury. This elegant ring features a striking Asscher-cut moissanite. A flawless, polished band highlights the stone, while a secret hidden halo adds breathtaking fire. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows...
    から $168.00
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    から $168.00
    • Gold
    • Silver
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  • Stdiam Premium Moissanite Jewelry- StdiamFive Stones Marquise Cut Moissanite Ring
    Five Stones Marquise Cut Moissanite Ring - Silver
    Highlights & Features Like a delicate leaf caught in golden hour light, this marquise cut moissanite ring whispers of antique gardens. Forged in 18K gold plated silver, its vintage silhouette brings poetic elegance to anyone's daily journey. Unearth quiet luxury with this mining-free jewelry,...
    から $218.00
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    から $218.00
    • Silver
    • 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 Emerald Moissanite Ring
    Queen Setting Emerald Moissanite Ring - Gold
    Highlights & Features Inspired by Art Deco architecture, this sleek bezel setting perfectly frames a striking emerald-cut gem. A minimalist design blending vintage charm with modern, everyday elegance. Specifications Center Stone Premium Stdiam™ (D/VVS1) Cut Grade Excellent (3EX) Hearts & Arrows Metal Base Solid...
    から $188.00
    $0.00
    から $188.00
    • Gold
    • Silver
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  • Stdiam Premium Moissanite Jewelry- StdiamModern Bezel-Set Round Moissanite Ring
    Modern Bezel-Set Round Moissanite Ring - Gold
    Highlights & Features Inspired by the seamless beauty of a golden horizon, this ring features a brilliant round moissanite secured in a protective bezel setting. This modern take on the classic solitaire offers a sleek, snag-free silhouette that celebrates pure geometry. It is a...
    から $188.00
    $0.00
    から $188.00
    • Gold
    • Siver
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  • Versailles Heart Moissanite RingWoman wearing a gold moissanite engagement ring with round center stone
    Versailles Heart Moissanite 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...
    から $178.00
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    から $178.00
    • Silver
    • Gold
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  • Half Bezel Radiant Moissanite RingHalf Bezel Radiant Moissanite Ring
    Half Bezel Radiant 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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  • Heart-shaped moissanite gold ring with pavé band, luxury engagement jewelryPetite Twisted Vine Heart Moissanite Ring
    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...
    から $188.00
    $0.00
    から $188.00
    • Silver
    • Gold
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  • Yellow gold moissanite engagement ring with round brilliant center stone and pavé bandPetite Twisted Vine Round Moissanite Ring
    Petite Twisted Vine Round Moissanite Ring - Gold
    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...
    から $188.00
    $0.00
    から $188.00
    • Gold
    • Silver
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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.