Cobalt Blue Spinel
2010s American Contemporary Engagement Rings
Spinel, Diamond, White Gold, 18k Gold
2010s Burmese Loose Gemstones
Spinel
2010s Tanzanian Fashion Rings
Diamond, Spinel, Gold, 18k Gold, White Gold
21st Century and Contemporary Vietnamese Modern Loose Gemstones
Spinel
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Spinel, Platinum
21st Century and Contemporary Tanzanian Modern Loose Gemstones
Spinel
21st Century and Contemporary American Tennis Bracelets
Spinel, Gold, 18k Gold, White Gold
21st Century and Contemporary Tanzanian Contemporary Engagement Rings
Spinel
21st Century and Contemporary American Chain Necklaces
Diamond, Spinel, Gold, 14k Gold, White Gold
2010s Thai Contemporary Solitaire Rings
Diamond, Spinel, 18k Gold, White Gold
2010s Sri Lankan Loose Gemstones
Spinel
2010s Sri Lankan Loose Gemstones
Spinel
21st Century and Contemporary American Modern Bridal Rings
Diamond, Spinel, Platinum
Early 20th Century German Jugendstil Brooches
Diamond, Spinel, Gold, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary Burmese Modern Loose Gemstones
Spinel
2010s Burmese Loose Gemstones
Spinel
2010s Burmese Loose Gemstones
Spinel
Vintage 1970s Vietnamese Loose Gemstones
Spinel
2010s Burmese Loose Gemstones
Spinel
21st Century and Contemporary North American Band Rings
Spinel, White Gold, 14k Gold, Gold
2010s Hong Kong Contemporary Cocktail Rings
White Diamond, Diamond, Spinel, Gold, 18k Gold, White Gold
21st Century and Contemporary American Art Deco Engagement Rings
Diamond, Spinel, Gold, 18k Gold, White Gold
21st Century and Contemporary Tanzanian Cluster Rings
Diamond, Spinel, 18k Gold, White Gold
2010s American Engagement Rings
Diamond, Spinel, Platinum
People Also Browsed
2010s Belgian Artist Fashion Rings
Diamond, Pink Diamond, Ruby, Tourmaline, Spinel, 18k Gold, Rose Gold
21st Century and Contemporary Burmese Modern Loose Gemstones
Spinel
2010s Turkish Modern Fashion Rings
Garnet, 14k Gold
21st Century and Contemporary American Contemporary Engagement Rings
Diamond, Spinel, Platinum
21st Century and Contemporary American Modern Cocktail Rings
Multi-gemstone, White Diamond, Diamond, Spinel, Platinum
21st Century and Contemporary Swiss Contemporary Engagement Rings
Diamond, 18k Gold, Rose Gold, Platinum, Gold
2010s American Contemporary Engagement Rings
Spinel, 18k Gold, White Gold
21st Century and Contemporary Burmese Arts and Crafts Loose Gemstones
Spinel
21st Century and Contemporary American Modern Engagement Rings
Spinel, Multi-gemstone, White Diamond, Diamond, Platinum
Early 2000s British Art Deco Choker Necklaces
Gold Plate
21st Century and Contemporary Burmese Modern Loose Gemstones
Spinel
2010s Cambodian Loose Gemstones
Zircon, Blue Zircon
2010s Mozambican Art Deco Cocktail Rings
Paraiba, Tourmaline, Diamond, 18k Gold
21st Century and Contemporary Indian Modern Cocktail Rings
Diamond, Emerald, 18k Gold, White Gold
21st Century and Contemporary Burmese Modern Loose Gemstones
Spinel
2010s Cambodian Loose Gemstones
Zircon, Blue Zircon
Recent Sales
21st Century and Contemporary Italian Contemporary Cocktail Rings
Black Diamond, White Diamond, Spinel, White Gold, 18k Gold
21st Century and Contemporary Burmese Modern Loose Gemstones
Spinel
21st Century and Contemporary Burmese Modern Loose Gemstones
Spinel
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Spinel
21st Century and Contemporary Swiss Modern Wrist Watches
Sapphire, Steel, Stainless Steel
2010s Burmese Engagement Rings
Diamond, Spinel, Platinum
21st Century and Contemporary Burmese Modern Loose Gemstones
Spinel
Early 20th Century Edwardian More Necklaces
Diamond, Pearl, Spinel, 18k Gold
2010s Hong Kong Contemporary Cocktail Rings
Diamond, Spinel, White Diamond, 18k Gold, White Gold, Gold
Early 20th Century French Engagement Rings
Sapphire, Spinel, White Gold
Cobalt Blue Spinel For Sale on 1stDibs
How Much is a Cobalt Blue Spinel?
- What is cobalt spinel?1 Answer1stDibs ExpertApril 5, 2022Cobalt 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, 2022True 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.
- Why is cobalt spinel expensive?1 Answer1stDibs ExpertApril 5, 2022Cobalt spinel is typically an expensive gemstone because it is rare. The gemstones feature a highly saturated blue color that sets them apart from other varieties of spinel. You can shop a selection of cobalt spinel gemstone jewelry on 1stDibs.
- Is a cobalt spinel gem rare?1 Answer1stDibs ExpertApril 5, 2022Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. It is found in a single mine in Vietnam and is one of the few gems that occur naturally. Shop a collection of expertly vetted gems from some of the world’s top sellers on 1stDibs.
- Is all blue glass cobalt?1 Answer1stDibs ExpertApril 5, 2022No, not all blue glass is cobalt glass. Only those made with cobalt oxide can be called cobalt. In some pieces, the presence of copper oxide accounts for the color, however, cobalt glass is much more common. You'll find a collection of cobalt glass on 1stDibs.
- Does cobalt make glass blue?1 Answer1stDibs ExpertApril 5, 2022Yes, cobalt oxide makes glass blue. Different amounts of cobalt can be used to create more saturated levels of blue or to simply neutralize yellow for a more clear finish. Copper oxide can also be used to create a blue tinted glass. Shop a collection of cobalt glass from some of the world’s top sellers on 1stDibs.
- How old is cobalt blue glass?1 Answer1stDibs ExpertApril 5, 2022How old cobalt glass is varies greatly. Ancient Mesopotamian examples exist from roughly 2000 BC. In China, cobalt glass became common during the Zhou Dynasty, which lasted from 1122 to 221 BC. European cobalt glass may date back to as early as the 15th century. Shop a collection of antique cobalt glass on 1stDibs.
- 1stDibs ExpertApril 5, 2022If your glass has a blue tint to it, it is likely cobalt blue glass. There are three shades of cobalt glass; dark cobalt, which has a slight purplish hue, light or cornflower blue and medium blue. To verify its authenticity, check with an appraiser. You can also shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.
- 1stDibs ExpertApril 5, 2022Cobalt blue glass is a deep blue glass that often gets its color by the addition of cobalt oxide in the molten glass mixture when the glass is being formed. The best way to identify cobalt blue glass is by the color. Shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.