Round Cut Genuine White Sapphire GemstoneThese loose round faceted genuine mined white sapphire gemstones are available for a custom built ring by Nodeform Jewelry. Select your stone size & 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! Sapphire Specs: Sizes: 4 mm 0. 3ct, 4. 5 mm 0. 4ct, 5 mm 0. 6ct, 5. 5 mm 0. 8ct, 6 mm 1. 1ct, larger sapphires available upon request Treatment: heated AA Grade: Near