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Cobalt Spinel Ring, Untreated, 5.23 Carats
- This exceptional ring is centered by a cushion cut cobalt spinel weighing 5.23 carats
- The gem is completely free of treatment, as confirmed by its accompanying GRS report
- Diamonds totaling approximately 1.00 carat further enhance the design
- Set in platinum
- Get complete item description here
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Long admired for their vivid color and captivating luster, spinels have historically been mistaken. . .
Long admired for their vivid color and captivating luster, spinels have historically been mistaken for rubies and sapphires, even appearing in some of the world’s most important crown jewels—earning them the enduring nickname of the “imposter gem.” Once overlooked, fine spinel has risen dramatically in prominence, with untreated specimens such as this now regarded among the most coveted of all colored gemstones for collectors.
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Buy With Confidence
For over a century, we've placed important art, rare jewels and exceptional objects with more than 14,000 collectors worldwide, and have been recognized by trusted publications including Robb Report, The New York Times, Wall Street Journal and more.
On Approval
Examine select works in person before you commit
125% Guarantee
Full credit plus 5% annual appreciation for five years
Trusted Expertise
Over two centuries of combined experience across our specialists
