The varying presence of these three elements gives emerald its range of color. Chromium and vanadium make an intense green color. Iron gives the stone a bluish tint. Courtesy of Bill Larson, ...

The laboratory examines a loose stone and provides an Emerald Report that ... Fourth, the bluish green to yellowish green dichroism of many emerald crystals encourages the cutter to orient the table ...

A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the world's most expensive green stone. Sold by Christie's, the Cartier ...

Duchess Sophie is an expert at blending jewel tones and neutrals and her emerald green trousers and longline grey coat from 2022 prove it. The Duchess of Edinburgh is a huge fan of wearing bright ...