Cobalt Blue Spinel

Color changing Cobalt Blue Spinel 4.27 ct

Tanzania Cobalt Blue Spinel 2.14 ct

Cobalt Blue Spinel Vietnam 2.40 ct

Cobalt Blue Spinel 2.46 ct

Cobalt Blue Spinel 2.14 ct

Cobalt Blue Spinel 1.51 ct

Cobalt Blue Spinel 2.04 ct

Cobalt blue Spinel 2.59 ct

Cobalt Blue Spinel 1.03 ct

Cobalt Blue Spinel 0.49 ct

Cobalt Blue Spinal 3.11 ct