Extremely Rare 2.40 Cts VIVID Cobalt Blue Spinel, 100% Clean Unheated Gem Piece

EXTREMELY RARE 2.40 CTS VIVID COBALT BLUE SPINEL, 100% CLEAN UNHEATED GEM PIECE. Dimension : 7.70 X 7.10 X 5.30 MM.

Hardness : 7.5 - 8.

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