oval lab diamond engagement ring

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.



Ada Diamonds is the Leading Luxury Purveyor of Lab Diamonds

Ada Diamonds specializes in large, sensational diamonds of superlative quality. Our diamonds are cut from the highest purity diamond crystals, have optimal cut and sparkle, and are always eye clean. Much like mined diamonds, lab diamonds are priced based on their quality characteristics. Use the tool below to understand our pricing:

Select Your Carat Weight

ColorlessNear Colorless
DEFGH I
IFPremium
$4,950 to
$5,800
Standard
$3,150 to
$3,950
VVS1
VVS2
VS1
VS2
SIUnexceptional
Not sold by Ada Diamonds
I

Pricing in USD. Subject to availability.


This chart shows a range of approximate prices across various size and quality levels and should serve as a rough guideline, not an exact calculator. Lab diamonds are unique SKU’s whose individual prices may be influenced by attributes beyond the 4 C’s. Prices are subject to change.


Ready to create your own custom oval lab diamond engagement ring?