Cobalt Blue Spinel 0.69 ct
Identification: Natural Cobalt Spinel
Origin: - Vietnam(Luc yen)
Weight: 0..69 ct
Dimensions: 6.10 x 4.63 x 3.14 mm
Cut: Brillant/step
Shape: Pear
Color: Blue
Comment: No identification of thermal treatment
Lab report: GRS2019-1-2605
Lot no: S.477
