Oval Lab Grown Emerald Loose StoneThese loose oval lab grown 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. 39ct, 7 x 5 mm ~0. 69ct, 8 x 6 mm ~1. 1ct, 9 x 7 mm ~1. 6ct, 10 x 8 mm ~2. 4ct Treatment: Lab Created Color: Medium to dark green; Quality: eye clean; good cut;