NGC Blog

Latest International Gem News for Collectors and Investors

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A 18.17 Mahenge, Tanzania Red Spinel sold for $630,375 or almost $35,000 per carat.
May 18, 2022, 10:22 AM
Although not as expensive as the famous pink Hope Spinel (sold for $1.5 million in 2015), the 18.17 sold for more on a per carat basis.