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Blue Spinel Ring, Untreated, 4.54 Carats
- This exceptional ring centers a 4.54-carat cushion cut blue spinel
- The gemstone is entirely untreated, as confirmed by its accompanying GIA report
- Spinels are highly coveted and appear in some of the world’s most important crown jewels
- Set in platinum with diamond accents
- Get complete item description here
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Long admired for their vivid color and captivating luster, spinels have historically been mistaken for rubies and sapphires, even appearing in some of. . .
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 and earning them the enduring nickname of the “imposter gem.” Fine spinels have risen dramatically in prominence, with untreated specimens displaying richly saturated color regarded among the most coveted of colored gemstones.
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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
