most expensive gem in the world
Identified as one of the unique gems in the world, a flawless blue diamond was honored in 2007 as the most expensive gemstone in the world. The 6.04-carat diamond was sold for $7.98 million at Sotheby's auction in Hong Kong. The flawless blue diamond fetched $1.32 million per carat.
7 Most Expensive and Rarest Gems in the world. Tags: BLUE GARNET, expensive gems, Gems, JEREMEJEVITE, most expensive gems, PAINITE, rarest gems, red diamonds. Here`s list of 7 Most Expensive and Rarest Gems in the world. One of them is Diamonds ,but most of them could be names you did not hear yet.