Cushion Cut Lab Diamonds of Various Sizes
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. Our cushion lab diamonds are hand-selected for incredible sparkle and patterning. We offer both square and elongated cushions!
Explore custom cushion cut lab diamond engagement rings
1.5 Carat Halo Engagement Ring
14k yellow gold halo engagement ring featuring a 1.5 carat square cushion cut lab grown diamond. See additional design details for this Cushion Single Halo Ring.
2 Carat Three Stone Engagement Ring
Platinum three stone engagement ring featuring a 2 carat square cushion cut lab grown diamond. See additional design details for this Cushion and Tapered Baguette Ring.
2.5 Carat Halo Engagement Ring
Platinum halo engagement ring featuring a 2.5 carat square cushion cut lab grown diamond. See additional design details for this Cushion Halo Pave Ring.
3 Carat Diamond Band Engagement Ring
Platinum diamond band engagement ring, featuring a 3 carat cushion cut lab grown diamond. See additional design details for this Cushion Cathedral Solitaire.
3.5 Carat Solitaire Engagement Ring
14k yellow and white gold solitaire engagement ring featuring a 3.5 carat square cushion cut lab grown diamond. See additional design details for this Cushion Cathedral Solitaire.
4 Carat Solitaire Engagement Ring
14k yellow and white gold solitaire engagement ring featuring a 4 carat elongated cushion cut lab grown diamond. See additional design details for this Cushion Petite Four Prong Solitaire.
Select Your Carat Weight
Colorless | Near Colorless | ||||
D | E | F | G | H I J | |
IF | Premium to |
Standard to |
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VVS1 | |||||
VVS2 | |||||
VS1 | |||||
VS2 | |||||
SI | Unexceptional Not Sold by Ada Diamonds |
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I | |||||
Pricing in USD. Subject to availability. |
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