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How can I identify a cobalt Spinel?
1 Answer
True cobalt Spinel have a high-quality blue coloring that won’t glow under a UV light. For detailed analysis, consult a jeweler. Shop a collection of expertly-vetted cobalt spinel jewelry from some of the world’s top sellers on 1stDibs.
1stDibs ExpertApril 5, 2022
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Shop for Cobalt Spinel on 1stDibs
1.98 Carat Natural Blue Cobalt Spinel from Burma
Located in Hua Hin, TH
1.98 Carat Natural Blue Cobalt Spinel from Burma
Dimension: 7.68 x 6.35 x 5.28 mm
Shape: Oval Cut
Category
2010s Burmese Loose Gemstones
Materials
Spinel
AIG Certified 1.32 Carat Natural Loose Cobalt Spinel From Tanzania
Located in Peshawar, PK
Faceted Cobalt Spinel
Weight : 1.32 Carat
Dimension: 6.48 x 5.74 x 4.71 Mm
Colour: Blue
Origin
Category
21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones
Materials
Spinel, Other
AIG Certified 2.01 Carat Natural Loose Cobalt Spinel Oval Shape Gemstone
Located in Peshawar, PK
Faceted Cobalt Spinel
Weight : 2.01 Carat
Dimension: 9.02 x 6.71 x 4.37 Mm
Colour: Blue
Origin
Category
21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones
Materials
Spinel, Other
AIG Certified 2.11 Carat Natural Loose Cobalt Spinel Cushion Cut Gemstone
Located in Peshawar, PK
Faceted Cobalt Spinel
Weight : 2.11 Carat
Dimension: 7.40 x 6.92 x 4.82 Mm
Colour: Blue
Origin
Category
21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones
Materials
Spinel, Other
AIG Certified 1.53 Carat Natural Loose Cobalt Spinel Gemstone From Tanzania
Located in Peshawar, PK
Faceted Cobalt Spinel
Weight : 1.53 Carat
Dimension: 7.00 x 6.47 x 4.72 Mm
Colour: Blue
Origin
Category
21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones
Materials
Spinel, Other
GFCO Certified 2.17 Carat Natural Loose Blue Cobalt Spinel From Tanzania
Located in Peshawar, PK
Faceted Cobalt Spinel
Weight : 2.17 Carat
Dimension: 7.78 X 7.42 x 4.48 Mm
Colour: Blue
Origin
Category
21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones
Materials
Spinel
