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What is cobalt spinel?
1 Answer

Cobalt blue spinels are the rarest and most valued type of spinel gemstone. They’re very popular in the modern gem industry and sought after by collectors. On 1stDibs, you’ll find a collection of cobalt spinel jewelry from some of the world’s top sellers.
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
Important Certified 10.10 Carat Cobalt Spinel Diamond Cocktail Ring. Exquisite.
Located in Hong Kong, HK
PLEASE CHECK OUT THE HD VIDEO! This is a world class cobalt spinel! Certified by 2 labs to be a
Category
2010s Hong Kong Contemporary Cocktail Rings
Materials
Diamond, Spinel, White Diamond, 18k Gold, White Gold, Gold
$120,000 Sale Price
20% Off
Free Shipping
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 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


