Ada Diamonds

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3.5 Carat Lab Grown Diamond Engagement Rings

Ada Diamonds specializes in curating spectacular lab grown diamonds of the highest quality. Every ring is custom and made to order by award-winning artists in the USA. Here are some gorgeous 3.5 carat lab created diamond engagement rings we have created for past clients.

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3.5 Carat Round Six Prong Solitaire Engagement Ring

Two-tone platinum and yellow gold solitaire engagement ring featuring a 3.5 carat round lab grown diamond. See additional design details!


3.5 Carat Radiant Three Sided Pavé Engagement Ring

Platinum diamond band engagement ring featuring a 3.5 carat radiant cut lab grown diamond center stone. See additional design details!


3.5 Carat Cushion Petite Solitaire Engagement Ring

18k yellow gold and platinum solitaire engagement ring featuring a 3.5 carat cushion cut lab grown diamond.

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3.5 Carat Asscher Cut Three Stone Engagement Ring

Platinum three stone engagement ring featuring a 3.5 carat asscher cut lab diamond center stone with trapezoid lab diamond side stones. See additional design details!


3.5 Carat Pear Solitaire Engagement Ring

Platinum solitaire engagement ring featuring a 3.5 carat pear lab grown diamond center stone. See additional design details!


3.5 Carat Round Cathedral Pavé Engagement Ring

Platinum diamond band engagement ring featuring a 3.5 carat round lab grown diamond center stone. See additional design details!


3.5 Carat Pear Cathedral Pavé Engagement Ring

Platinum diamond band engagement ring featuring a 3.5 carat pear lab grown diamond center stone. See additional design details!


3.5 Carat Oval Three Stone Engagement Ring

Platinum three stone engagement ring featuring a 3.5 carat oval cut lab diamond center stone with trapezoid lab diamond side stones. See additional design details!


3.5 Carat Cushion Petite Solitaire Engagement Ring

Platinum solitaire engagement ring featuring a 3.5 carat cushion cut lab grown diamond. See additional design details!


3.5 Carat Oval Petite Solitaire Engagement Ring

14k yellow gold solitaire engagement ring featuring a 3.5 carat oval lab diamond. See additional design details!


3.5 Carat Emerald Three Stone Engagement Ring

Platinum three stone engagement ring featuring a 3.5 carat emerald cut lab diamond center stone with tapered baguette lab diamond side stones. See additional design details!


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Learn how lab diamonds are grown, how they are priced relative to mined diamonds, and more.

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