Cobalt Spinel

COBALT SPINEL DEEP VIOLET 3.77 CTS 18662 RARE COLLECTORS GEM

$720.00 Ex Tax: $720.00

COBALT SPINEL DEEP VIOLET 3.77 CTS 18662 RARE COLLECTORS GEM

100% Natural - Not treated in any way.Rare Collectors Gem.Suitable for Museums,Institutions and Students of Gemology.Beautiful Center-stone for an eng..

$720.00 Ex Tax: $720.00

COBOLT SPINEL 2.27 CTS- 18773 LOOSE GEMSTONE

$390.00 Ex Tax: $390.00

COBOLT SPINEL 2.27 CTS- 18773 LOOSE GEMSTONE

100% Natural - Not treated in any way.Rare Colectors Gem Suitable for Museums,Institutions and Students of Gemology. Beautiful Center-stone for an eng..

$390.00 Ex Tax: $390.00

SPINEL COLOR-CHANGE WITH COBALT 13.85 CTS RARE COLLECTORS GEM - 12761

$2,600.00 Ex Tax: $2,600.00

SPINEL COLOR-CHANGE WITH COBALT 13.85 CTS RARE COLLECTORS GEM - 12761

100% Natural - Not treated in any way.Suitable for Museums,Institutions and Students of Gemology.Color enhances to incandescent light.Large Sizes are ..

$2,600.00 Ex Tax: $2,600.00