Not-So-Mellow-Yellow (Diamonds)


Yellow diamonds cause more debate in the colour diamond world than any other stone on the spectrum.   While some white diamonds with a slight yellow tinge are deemed less desirable, a vivid yellow diamond has become among the most popular of the colour stones.

Yellow diamonds are created when trace elements of nitrogen were introduced when the diamond was formed.   The most famous yellow diamond in the world is the Kimberley Octahedron, a 616 carat rough stone found in the Dutoitspan Mine of South Africa.   Found in 1964, it is the seventh-largest rough diamond ever recovered.

Australia’s Ellendale Mine

The Ellendale mine in Western Australia (pictured below) is recognized as the foremost location in the world for yellow diamonds.  Since officially opening in 2003, they have supplied half of the world’s supply of yellow diamonds.


The current owner of the mine is Kimberly Diamonds Limited, however, the beneficiary of the mine’s yellow diamonds is Tiffany & Co.   Since 2010 they have had an agreement in place with the mine that gives the retailer exclusive rights to their yellow diamonds for the life of the mine.   12 per cent of the diamonds from the mine are taken and sold by Tiffany, though the New York-based company accounts for 80% of the mine’s revenue.

Yellow diamonds are an important part of Tiffany’s history as company founder Charles Tiffany purchased one of the first significant finds of that colour stone in 1877.   The subsequently named Tiffany Yellow Diamond, a cushion-cut, 128.54 carat yellow diamond which remains the centrepiece of the illustrious jewelry company.



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