Relatively small, but slowly and perfectly formed over billions of years, the Argyle Violet diamond is so rare in color that it has its own unique diamond classification: "Fancy Deep Grayish Blueish Violet."
원문출처 : http://www.cnn.com/2016/12/20/luxury/2016-year-of-colored-diamonds/index.html
원문출처 : http://www.cnn.com/2016/12/20/luxury/2016-year-of-colored-diamonds/index.html