A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...

This 300-carat, Georgian-era showstopper hits the auction block at Sotheby’s Geneva on November 11. To be fair, the diamonds in this piece can’t definitively be traced back to that scandal.

The 75.47-carat Hooker Emerald was worn by Ottoman Sultan Abdul Hamid II, the last sultan of the Ottoman Empire. Photo by Chip Clark, courtesy Smithsonian Institution, National Museum of Natural ...

A hand-held flashlight reveals the green color of a rough emerald from the Coscuez Emerald mine in Colombia. Photo by Eric Welch/GIA. Emerald is the green to bluish green variety of beryl, a mineral ...

A favourite of Egyptian pharaohs, garnet necklaces are still popular today. With a dark reddish hue, the gemstone lends a moody and romantic feel to both silver and gold chains. Cushion-cut designs ...

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