5.90 Cornflower Blue Sapphire Stone | Blue Loose Sapphire Stone Red Gemstones and excellent transparency—all essential qualities

and excellent transparency—all essential qualities for professional faceting

rough emeralds can yield significant returns

Pakistan which is located in Kohistan Valley

Its hardness is 6 to 6

Q: How should I handle color zoning during cutting

5.90 Cornflower Blue Sapphire Stone | Blue Loose Sapphire Stone Red Gemstones and excellent transparency—all essential qualitiesLoose Blue Sapphires stone with following details SPECIES: NATURAL CORUNDUM VARIETY: NATURAL BLUE SAPPHIRE Total Pieces: one WEIGHT: 5. 90 Carats DIMENSION: 9. 08 x 8. 97 x 7. 65mm SHAPE & CUT: Cushion Cut COLOUR: Blue ITEM: A loose faceted stones TRANSPARENCY: Transparent COMMENTS: No indication of heating Certificates are attached