As the classic campaign slogan goes, “A diamond is forever.” You’ll wear your engagement ring for the rest of your life, so ...

A rare square 37-carat emerald owned by the Aga Khan fetched nearly nine million dollars at auction in Geneva on Tuesday, ...

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

(IDEX Online) - A pair of fancy vivid orange-yellow diamond earrings sold for almost $8m at Christie's Hong Kong. They were ...

A Christie's employee poses with The Aga Khan Emerald, a cartier emerald and diamond brooch made with a square-shaped emerald ...

According to Max Fawcett, Head of Jewellery at Christie's EMEA, the emerald’s remarkable quality and the current high demand ...

Diamonds and other gemstones are weighed in metric carats: one carat is equal to 0.2 grams, about the same weight as a paperclip. (Don’t confuse carat with karat, as in “18K gold,” which refers to ...

“I don’t believe an engagement ring has to be a diamond. Anything you find beautiful—a perfect single pearl, so chic—is right ...