Radiant Cut Lab Created Diamond Loose StoneThese loose radiant 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. 75ct ~4. 5 x 5. 8 mm, 1. 0ct ~5 x 5. 9 mm Radiant Cut Clarity: VS to SI Color FG or GHI Treatment: lab created, HP The use of heat and pressure