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What Determines the Value of an Emerald?
Emerald is one of the world's most admired precious gemstones, celebrated for it...
Where Garnet Begins: A Mineral Family Shaped by Different Worlds
One Name, Several Geological HistoriesA green tsavorite, an orange spessartine,...
The Spectrum of Sapphire: Colors and Types
Sapphires are the "monarchs" of the colored gemstone world. While many think exc...
The Digital Future of the Gemstone Trade
For centuries, buying a gemstone meant standing in front of a dealer, holding th...