Oval 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 oval lab diamonds are hand-selected for incredible make, minimal bow tie, and endless sparkle.
Explore custom oval lab diamond engagement rings
1.5 Carat Solitaire Engagement Ring
14k rose gold solitaire engagement ring featuring a 1.5 carat lab created oval diamond. See additional design details for this Oval Petite Four Prong Solitaire and U Pave Three Quarter Band.
2 Carat Diamond Band Engagement Ring
14k yellow gold custom diamond band engagement ring featuring a 2 carat lab grown oval diamond center stone. See additional design details for this Custom Diamond Band Ring.
2.5 Carat Solitaire Engagement Ring
18k yellow gold solitaire engagement ring featuring a 2.5 carat lab created oval diamond. See additional design details for this Oval East-West Solitaire.
3 Carat Halo Engagement Ring
Platinum halo engagement ring featuring a 3 carat lab created oval diamond center stone. See additional design details for this Double Sided Halo Ring.
3.5 Carat Three Stone Engagement Ring
Platinum three stone engagement ring featuring a 3.5 carat lab created oval diamond center stone and trapezoid side stones. See additional design details for this Oval and Trapezoid Ring.
4 Carat Solitaire Engagement Ring
Platinum solitaire engagement ring featuring a 4 carat lab created oval diamond center stone. See additional design details for this Oval Petite Four Prong Solitaire.
4.5 Carat Halo Engagement Ring
Platinum halo engagement ring featuring a 4.5 carat lab created oval diamond center stone. See additional design details for this Single Halo Split Shank Ring.
5 Carat Diamond Band Engagement Ring
Platinum diamond band engagement ring featuring a 5 carat lab created oval diamond center stone. See additional design details for this Oval Cathedral Pave Ring.
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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| Pricing in USD. Subject to availability. | |||||
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