London—A brooch featuring an engraved Colombian emerald gifted to an aristocrat who inspired a character in the poem “The Lady of the Lake” sold for more […]
Sapphire Few gems have held our attention over millennia as well as sapphire. The pure blue colors and excellent durability of this gem-quality member of the […]
From Gem Society Although emeralds occur in many localities, some sources are better known for high-quality gems than others. Learn about famous (and not so famous) emerald sources, from ancient […]
We may covet gemstones for their beauty, but their real value lies in what they tell scientists about the extreme forces at work deep underground. Around […]
Most gemstones will respond well to warm water, mild detergent, and a soft brush at home. However, some gems do have sensitivities. Familiarize yourself with these, […]
New York—Christie’s sale of historic Indian jewelry and art was expected to be big, and it did not disappoint. The auction netted a whopping $109.3 million […]
A Brief History of Tahitian Pearls Native Tahitians collected natural pearls from the black-lipped pearl mollusk, Pinctada margaritifera, for many generations prior to Spanish and English involvement. Some […]