The Pink Star, formerly known as the Steinmetz Pink, is a diamond weighing 59.60 carats, rated in color as Fancy Vivid Pink by the GIA. The Pink Star was mined in South Africa in 1999 , and weighed 132.5 carats in the rough. It's a internally flawless mixed oval brilliant cut and one of the world's great pink diamond. The Pink Star was auctioned by Sotheby's Geneva on 13 November 2013. The sale price was CHF 68,000,000 (CHF 76,325,000, USD 83,187,381 including commission fees), a world record for any gemstone. On 4 April 2017, the Pink Star was sold at an auction in Hong Kong for US$71.2 million to a famous jewelry enterprise. The gem cutter would have to have a high level of skill and proficiency to get this gem. All the meet points to get them right.
pink star diamond cubic zirconia