Oval Moissanite Engagement Rings | Custom Engagement Rings with Lab Diamonds | Modern Gem Jewelry

Moissanite & Lab Diamonds Rings

Discover the magic of our exclusive preset lab diamond engagement rings and gold engagement rings, meticulously crafted to commemorate life's most significant moments. Each design is thoughtfully curated to symbolize everlasting love and devotion.

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65 products
Oval Moissanite Engagement Rings| Custom Rings | Modern Gem JewelryOval Moissanite Engagement Rings| Custom Rings | Modern Gem Jewelry
Oval Moissanite Engagement Ring in White Gold
From $999.00 USD
Cushion Cut Moissanite Ring| Custom Rings | Modern Gem Jewelry | SarattiCushion Cut Moissanite Ring| Custom Rings | Modern Gem Jewelry | Saratti
Cushion Cut Moissanite Ring With Tanzanite
From $1,399.00 USD
Diamond Rectangle Ring | Custom Jewelry| Modern Gem JewelryDiamond Rectangle Ring | Custom Jewelry| Modern Gem Jewelry
Francesca •Diamond Rectangle Ring In 18K White Gold
From $1,399.00 USD
Oval Moissanite Ring in 18K White Gold | Custom Jewelry | Modern Gem JewelryOval Moissanite Ring in 18K White Gold | Modern Gem Jewelry
Amaya • Oval Moissanite Ring in 18K White Gold
From $1,100.00 USD
2 Carat Cushion Cut Diamond Ring| Custom Rings | Modern Gem Jewelry2 Carat Cushion Cut Diamond Ring| Custom Rings | Modern Gem Jewelry
Anna • 2 Carat Cushion Cut Diamond Ring
From $1,100.00 USD
Oval Moissanite Ring In 18K Yellow Gold | Custom Rings| Modern Gem JewelryOval Moissanite Ring In 18K Yellow Gold | Custom Rings| Modern Gem Jewelry
Thea • Oval Moissanite Ring In 18K Yellow Gold
From $950.00 USD
1.2 Carat Diamond Ring In 18K White Gold| Custom Rings | Modern Gem Jewelry1.2 Carat Diamond Ring In 18K White Gold| Custom Rings | Modern Gem Jewelry
Bailey • 1 Carat Diamond Ring
From $850.00 USD
Moissanite Halo Engagement Rings| Custom Rings | Modern Gem JewelryMoissanite Halo Engagement Rings| Custom Rings | Modern Gem Jewelry
Ember • Moissanite Halo Engagement Ring
From $950.00 USD
1 Carat Pear Shaped Diamond Ring In 18K White Gold| Custom Rings | Modern Gem Jewelry1 Carat Pear Shaped Diamond Ring In 18K White Gold| Custom Rings | Modern Gem Jewelry
Georgia • 1 Carat Pear Shaped Diamond Ring In 18K White Gold
From $899.00 USD
1.2 Carat Diamond Ring Heart Shaped In White Gold| Custom Rings | Modern Gem Jewelry1.2 Carat Diamond Ring Heart Shaped In White Gold| Custom Rings | Modern Gem Jewelry
Olivia • 1 Carat Diamond Ring Heart Shaped In White Gold
From $800.00 USD
2 Carat Cushion Cut Diamond Ring In White Gold | Custom Rings | Modern Gem Jewelry2 Carat Cushion Cut Diamond Ring In White Gold | Custom Rings | Modern Gem Jewelry
Zuri • 2 Carat Cushion Cut Moissanite Ring in White Gold
From $1,200.00 USD
Emerald Cut Moissanite Ring Split Shank Ring | Custom Moissanite Ring | Modern Gem JewelryEmerald Cut Moissanite Ring Split Shank Ring | Custom Moissanite Ring | Modern Gem Jewelry
Vera • Emerald Cut Moissanite Ring Split Shank Ring
From $1,499.00 USD
Bezel Engagement Ring | Custom Rings| Modern Gem Jewelry
Lauren • Bezel Engagement Ring Diamond 18K White Gold
From $900.00 USD
Oval Moissanite Engagement Ring In Rose Gold | Custom Rings | Modern Gem JewelryOval Moissanite Engagement Ring In Rose Gold | Custom Rings | Modern Gem Jewelry
JENNA • Oval Moissanite Engagment Ring In Rose Gold
From $1,100.00 USD
Oval Moissanite Engagement Rings in Yellow Gold | Six Prongs Design with Pave Diamonds | Modern Gem JewelryOval Moissanite Engagement Rings in Yellow Gold | Six Prongs Design with Pave Diamonds | Modern Gem Jewelry
Gretta • Oval Moissanite Ring in Yellow Gold
From $899.00 USD
2ct Moissanite Ring in White Gold | Custom Engagement Ring | Modern Gem Jewelry2ct Moissanite Ring in White Gold | Custom Engagement Ring | Modern Gem Jewelry
Sophia • Round Moissanite Six Prongs White Gold Ring
From $1,200.00 USD
Moissanite Vintage Engagement Rings Three Stone Moissanite Ring with Split Shank Design | Modern Gem JewelryMoissanite Vintage Engagement Rings Three Stone Moissanite Ring with Split Shank Design | Modern Gem Jewelry
Bianca • Three Stone Split Shank Moissanite Ring White Gold
From $1,580.00 USD
Oval Moissanite Engagement Ring in Yellow Gold | Custom Made Engagement Ring | Modern Gem RingsOval Moissanite Engagement Ring in Yellow Gold | Custom Made Engagement Ring | Modern Gem Rings
Ruth • Oval Moissanite Engagement Ring in Yellow Gold
From $1,099.00 USD
Rose Gold Moissanite Ring with Diamonds Halo in 18K Rose Gold | Custom Pear Shape Engagement Ring | Modern Gem JewelryRose Gold Moissanite Ring with Diamonds Halo in 18K Rose Gold | Custom Pear Shape Engagement Ring | Modern Gem Jewelry
Giana • Moissanite Pear Ring with Halo in Rose Gold
From $1,200.00 USD
3 ct Moissanite Ring in White Gold Six Prongs | Custom Engagement Rings | Modern Gem Jewelry3 ct Moissanite Ring in White Gold Six Prongs | Custom Engagement Rings | Modern Gem Jewelry
Maria • 3 ct Moissanite Ring in White Gold Six Prongs
From $1,699.00 USD
2 Carat Moissanite Ring with Halo and Set in 18K White Gold | Modern Gem Jewelry2 Carat Moissanite Ring with Halo and Set in 18K White Gold | Modern Gem Jewelry
Avena • Radiant Cut Moissanite Ring with halo
From $890.00 USD
Oval Moissanite Ring with Hidden Halo Pave Diamonds in 18K White Gold | Custom Engagement Rings | Modern Gem JewelryOval Moissanite Ring with Hidden Halo Pave Diamonds in 18K White Gold | Custom Engagement Rings | Modern Gem Rings
Carina • Oval Moissanite Ring with Hidden Halo
From $780.00 USD
Oval Moissanite Engagement Rings in 18K White and Yellow Gold | Custom Handmade Rings | Modern Gem JewelryOval Moissanite Engagement Rings in 18K White and Yellow Gold | Custom Handmade Rings | Modern Gem Jewelry
ELLE • Oval Moissanite Engagment Ring in Two Tone Design
From $1,099.00 USD
Moissanite Vintage Engagment Ring in White Gold | Custom Made Engagement Ring | Modern Gem JewelryMoissanite Vintage Engagment Ring in White Gold | Custom Made Engagement Ring | Modern Gem Jewelry
LYNN • Moissanite Vintage Engagment Ring in White Gold
From $1,090.00 USD
Princess Cut Moissanite Ring with Halo in 18K White Gold | Custom Engagement Ring | Modern Gem JewelryPrincess Cut Moissanite Ring with Halo in 18K White Gold | Custom Engagement Ring | Modern Gem Jewelry
RICA • Princess Cut Moissanite Ring with Halo
From $1,220.00 USD
2 carat Moissanite Ring in 18K White Gold | Solitaire Engagement Ring | Modern Gem Jewelry2 carat Moissanite Ring in 18K White Gold | Solitaire Engagement Ring | Modern Gem Jewelry
GALINA • Moissanite Ring Round Six Prongs in White Gold
From $920.00 USD
4 Carat Moissanite Ring in 18K White Gold Solitaire Design | Custom Engagement Ring | Modern Gem Jewelry4 Carat Moissanite Ring in 18K White Gold Solitaire Design | Custom Engagement Ring | Modern Gem Jewelry
LUXE • 5 carat Moissanite Six Prong Ring
From $1,800.00 USD
Cushion Cut Moissanite Ring with Halo in White Gold | Custom Made Engagement Ring | Modern Gem JewelryCushion Cut Moissanite Ring with Halo in White Gold | Custom Made Engagement Ring | Modern Gem Jewelry
GAEL • Cushion Cut Moissanite Ring with Halo in White Gold
From $999.00 USD

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Modern Gem Jewelry® Proud Associate with GIA Labs
Most Colored Gemstones from Modern Gem Jewelry® are certified by AIGS Lab. Shop Loose Natural Gemstones with peace of mind.
Shop GUILD Certified Colored Natural Gemstones from Modern Gem Jewelry®
Shop Handcrafted Lab Diamonds Engagement Rings certified by IGI Lab. Each Lab Diamond Engagement ring comes with a certificate of authenticity from IGI Labs

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