Marquise Shape Lab Created Faceted Loose Ruby GemstoneThese loose faceted marquise shape faceted cut lab created Ruby 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! Lab Grown Ruby Specs: Sizes: 7x3. 5 mm 0. 43ct, 8x4 mm 1. 67ct, 9x4. 5 mm 0. 9ct, 10x5 mm 1. 3ct, 12x6 mm 2. 3ct Treatment: Lab Created Some sizes may take 4