Natural Blue Sapphire 4mm Faceted Round 5 Pieces Calibrated Sapphire Blue Color Gemstone Top Quality Loose Gemstone Natural Blue Sapphire 4mm Faceted Round 5 Pieces Calibrated Sapphire Blue Color Gemstone Top Quality Loose Gemstone Wholesale Lot For Sale Gemstone Name :- Natural Blue Sapphire, Gemstone Shape: Round, Gemstone Cut: Faceted Cut Gemstone Size :- 4mm, Gemstone Clarity :- Opaque, More Beautiful Than Picture Gemstone Hardness :- 9.0 Mohs, Country Of Origin :- Sri Lanka, Dimension Type :- Calibrated Color may not appear exactly as in real life due to variation between computer monitor resolution and lights