The Argyle mine in Western Australia produces about 90% of the world’s rare pink diamonds, and is the world’s largest supplier of natural colored diamonds. In this year’s pink diamonds tender, Rio Tinto recently sold one of these rare gems, which fetched the highest price-per-carat of any diamond produced in the mine. The 1.56-carat fancy red […]
“Pink Star” Diamond Could Set a Record
Posted on October 10th, 2013 by Joe G
A very large, rare pink diamond is expected to sell for more than $60 million at a Sotheby’s auction this November. It’s known as the “Pink Star,” and weighs 59.60 carats. If it reaches the expected price, it will set the record for most expensive gemstone at auction. The current record is held by […]