1.67 2024 Ct. Natural Blue Sapphire Chanthaburi Only Heated Thailand Gemstone

2024 Color : Blue
Product Name : Natural Blue Sapphire
Quantity : 1
Weight : 1.67 Ct.
Dimension : 6.9 x 7.1 x 3.9 mm.
Shape : Oval
Hardness : 9.0
Specific Gravity : 3.9-4.1
Refractive Index : 1.76-1.78
Treatment : Only Heated
Origin : Thailand