Marquise Cut Lab Created Diamond Loose StoneThese loose marquise 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. 37ct ~7 x 3. 5 mm, 0. 5ct ~8 x 4 mm, 0. 75ct ~9 x 4. 5 mm, 0. 75ct ~9. 0 x 4. 5 mm, 1. 0ct ~10 x 5. 0 mm Marquise Faceted Cut Clarity: VS to SI