Cobalt Spinel 1.56 Cts 12372 Rare Collectors Gem

Cobalt Spinel 1.56 cts 12372 Rare Collectors Gem

Cobalt Spinel Ceylon Gems

SPINEL, COBALT BLUE, RD, 1.54 cts

Pioneer Gem Corporation

Cobalt spinel from Luc Yen

Rare 3.12 Cts. Cobalt Spinel💙

Cobalt Spinel 1.56

Cobalt Spinel Ring! 😍 #highjewelry #gemstone

MADLY Bespoke Jeweller

Gahnospinel 4.67cts GIA

Cobalt Blue Spinel 3.29 cts

Top colour 1.31 ct Cobalt Spinel Oval

Gemworld Limited

Cobalt Blue Spinel Pair

Cobalt Spinel Suite. Small but extraordinary.

Cobalt spinel with certificate

Cobalt Blue Spinel Sri Lanka 1.45 cts

SPINEL, COBALT BLUE, EC, 1.67 cts http://www.pioneergem.com/

Pioneer Gem Corporation

Tanzanian Cobalt Spinel

Neon blue cobalt spinel rare stone (one of a kind piece )

HouseOfSylas check out this crazy lab cobalt spinel! ❤️ #spinel #blue #labgems #houseofsylas #fyp

Minerals & Gems Pak

Cobalt spinel matched pairs.

SPINEL, COBALT BLUE, OV, 1.31 cts

Pioneer Gem Corporation