Object: One faceted gemstone in necklace
Weight: 17.820 gms (Gross) 
Dimensions: N/A
Shape and Cut: Round / Mixed (1) 
Color: Blue 
Refractive Index: 1.760 - 1.770 Biref 0.010
Specific Gravity: N/A
Variety: Natural Blue Sapphire
Species and Group: Corundum 
Comment: Gold 16.000 gms, Sapphire 9.10 cts