21.78 Cttw , Large Cabochon Tanzanite , Oval Tanzanite , Tanzanite Oval Cabochon , Tanzanite Gemstone , Tanzanite Oval , African , Tanzanian

Total Carat Weight : 21.78 Cts.
Shape : Oval Cabochon
Size ( in mm ) : 19.8 x 12.0 x 10.0 - Large Size
Origin : Tanzania , Africa
Colour : Blue