3 Carat Lab Grown Diamond Engagement Rings

3 carat pear and baguette lab diamond engagement ring ada diamonds San Francisco, ca
3-carat-oval-cathedral-pave-lab-diamond-engagement-rign-ada-diamonds-ad-190.jpg

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!


Shop Engagement Rings

Our custom engagement rings feature lab diamonds curated by experts.

New to Lab Diamonds?

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

Concierge Experience

Work one-on-one with a dedicated lab diamond expert to create your dream ring.