Flawless blue diamond, the most expensive gemstone in the world, sells at auction for £4m
Blue diamond ~ This is one of the rarest gems in the world - a 6.04 carat diamond that is fancy vivid blue color and has internally flawless clarity. The expensive stone was bought by a British jeweler for a record-breaking sum of almost £4 million at a Sotheby's auction in Hong Kong. The selling price makes it the most expensive gemstone in the world, per carat, sold at any auction. The flawless blue diamond fetched £650,000 per carat after intense bidding.
Often called the Rolls-Royce of greens at Cadillac prices, tsavorite a hundred times more rare than emerald. It is also cleaner, more brilliant and not oiled or treated in any way. Although Tsavorite is the name usually associated with the darker green garnet, there is no universally accepted standard that designates which shade of green qualifies a stone as tsavorite. More @ www.multicolour.com and #gemstones