Pear Cut Lab Created Alexandrite GemstoneThese loose pear faceted cut lab created alexandrite 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 Grwon Alexandrite Specs: Sizes: 6 x 4 mm 0. 48ct, 7 x 5 mm 0. 8ct, 8 x 5 mm 1. 0ct, 9 x 6 mm 1. 5ct, 10 x 7 mm 2. 25ct Treatment: Lab Created Blue green by daylight and