Rare Gemstones: A Connoisseur’s Guide to the Earth’s Scarcest Treasures
Apr 5th 2026
The traditional label of "precious" is a 19th-century marketing relic that often masks the true market value of the world's most elusive minerals. At recent 2023 auctions, top-tier unheated spinels have seen a 35% price surge, often outperforming commercial-grade sapphires in both value and demand.
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