The Allure of Gemstones

A 59.6-carat pink diamond, known as the “Pink Star” sold at auction for $71.2 million in 2017. While the “Pink Star” holds the record for the highest priced gemstone ever sold, it is not the highest price per carat the world has ever seen. That honor goes to the 14.6-carat “Oppenheimer Blue” diamond that sold […]