Cobalt Blue Spinel 0.69 ct

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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

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