Emerald-Shape Lab Grown Emerald Loose StoneThese loose emerald shapel lab grown step cut Emerald gemstones are available for a custom built ring by Nodeform Jewelry. Select your stone size, 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! Emerald Specs: Sizes: 6 x 4 mm ~0. 44ct, 7 x 5 mm ~0. 79ct, 8 x 6 mm ~1. 3ct, 9 x 7 mm ~1. 9ct, 10 x 8 mm ~3. 0ct Treatment: Lab Created Color: Medium to dark green; Quality: eye