Ada Diamonds specializes in large, sensational lab 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 carat lab created diamond engagement rings we have created for past clients.

3 Carat Pear Three Stone Ring

14k rose gold three stone engagement ring featuring a 3ct pear lab diamond with 0.5ct each pear lab diamond side stones. See additional design details!

3 Carat Oval Halo Engagement Ring

Platinum halo engagement ring featuring a 3ct oval lab diamond center stone and double sided halo. See additional design details!

3 Carat Cushion Cut Three Stone Engagement Ring

Platinum three stone engagement ring featuring a 3ct square cushion lab created diamond. See additional design details!

3 Carat Round Solitaire Engagement Ring

Platinum solitaire engagement ring featuring a 3ct round lab created diamond. See additional design details!

3 Carat Emerald Cut Three Stone Engagement Ring

Platinum three stone engagement ring featuring a 3ct emerald cut lab diamond and tapered baguettes. See additional design details!

3 Carat Asscher Solitaire Engagement Ring

Platinum solitaire engagement ring featuring a 3ct asscher cut lab created diamond. See additional design details!

3 Carat Radiant Cut Diamond Band Engagement Ring

Platinum diamond band engagement ring featuring a 3 carat radiant cut lab grown diamond. See additional design details!

3 Carat Pear Solitaire Engagement Ring

14k yellow gold solitaire engagement ring featuring a 3 carat pear lab diamond. See additional design details!

3 Carat Cushion Halo Engagement Ring

Platinum halo engagement ring, featuring a 3 carat cushion cut lab grown diamond. See additional design details!

3 Carat Oval Solitaire Engagement Ring

14k yellow and white gold solitaire engagement ring featuring a 3 carat oval lab grown diamond. See additional design details!

3 Carat Round Diamond Band Engagement Ring

Platinum diamond band engagement ring featuring a 3 carat round brilliant lab grown diamond. See additional design details!

3 Carat Radiant Solitaire Engagement Ring

Platinum solitaire engagement ring featuring a 3ct radiant cut lab created diamond. See additional design details!

3 Carat Emerald Three Stone Engagement Ring

Platinum three stone engagement ring featuring a 3ct emerald cut lab created diamond and trapezoid side stones. See additional design details!

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