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One and a Half Carat Oval Lab Grown Diamonds in Different Styles

Dreaming of a 1 and a half carat oval lab created diamond? Here are 8 different styles featuring a 1.5ct oval lab diamonds in a one-of-a-kind custom engagement ring from Ada Diamonds.

Our fancy-shaped lab grown diamonds over 1.5ct now include full-fidelity grading certificates from GIA, the world’s most respected independent diamond agency. Ada Diamonds is the leading luxury purveyor of high-quality laboratory grown diamonds.


1.5 Carat Oval Solitaire Engagement Ring

14k yellow and white gold solitaire engagement ring featuring a 1.5 carat oval lab diamond. See additional design details!


1.5 Carat Oval Diamond Band Engagement Ring

Platinum 1.5 carat diamond band engagement ring with 1.5 carat oval lab diamond center stone. See additional design details!


1.5 Carat Oval Halo Engagement Ring

Platinum halo engagement ring, featuring a 1.5 carat oval lab diamond center stone. See additional design details!


1.5 Carat Oval Three Stone Engagement Ring

18k yellow gold three stone engagement ring featuring a 1.5 carat oval lab diamond center stone and pear lab diamond side stones. See additional design details!


Shop Engagement Rings

Bespoke, made-to-order engagement rings featuring superlative quality lab grown diamonds.

About Lab Diamonds

New to lab diamonds? Learn how lab diamonds are grown, graded, and priced relative to mined diamonds.

Why Ada Diamonds

Unmatched quality, unrivaled expertise. We offer the highest quality lab diamonds on earth. Learn how we differ from the competition.