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
Art deco emerald and diamond necklace by Chaumet. Designed as graduated openwork rectangular links with two-stone spacers set with four cushion-shaped diamond collets, the central openwork plaque suspending a circular-cut diamond and drop-shaped emerald pendant (may be worn as a bracelet) circa 1930, necklace 39.0 cm long, bracelet 19.0 cm long, with French assay marks for platinum and gold, in an original Chaumet blue leather fitted case.
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.