Gray Round Faceted Spinel Loose GemstoneSparkly natural gray round facteted spinel gemstone. This loose faceted Spinel is available for a custom built ring by Nodeform Jewelry. Choose this gemstone in your preferred 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! SPINEL SPECS: Size: 5 mm 0. 6ct or 6 mm 1. 0ct color Medium gray (slight blue or purple undertones possible) Treatment: none Clarity: Eye Clean