Oval Cut Lab Created Diamond Loose StoneThese loose oval cut lab created diamonds are available for a custom built ring by Nodeform Jewelry. Select your stone size and type, then select a ring setting that fits the shape and size of the selected stone. Add both to your cart and we'll create your ring! Diamond Specs: lab created diamond Sizes: 0. 4ct ~6 x 4 mm, 0. 5ct ~6. 2 x 4. 3 mm, 0. 75ct ~7 x 5 mm, 1. 0ct ~8 x 6 mm Oval Cut Clarity: VS to SI Color FG or GHI Treatment: lab created, HP