Category: Colored Gemstones

Solid auction performance prompts shift in company’s plans at flagship Zambian site.
Miner sells 2.4 million carats for $16.4 million.
Some 95% of lots find buyers, as largest parcel fails to sell.
Figure for all diamonds down 0.3% in first quarter.
Roy Safit, CEO of the Fancy Color Research Foundation, explains the allure of pinks, blues and yellows, and how the organization creates its price index.
With high-quality goods getting harder to find and the US moving to charge hefty import fees, prices for colored stones are spiking.
Miner posts deficit of more than $100 million for 2024.
Brown stones of all kinds reflect the delectably warm 2025 Pantone Color of the Year.
GIA experts discuss how defects can transform a stone’s value.
Regional violence and financial difficulties have beset the miner’s ruby operations in the African country. How will that affect supply?

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