One of the most valuable blue diamonds in existence will be auctioned by Sotheby’s in April. The De Beers Cullinan Blue was originally a type IIB 39.34 carat rough stone, unearthed from the Cullinan mine in April 2021. It was sold to De Beers and Diacore for US$40 million and was transformed into an internally … Continue reading Blue diamond auction
Copy and paste this URL into your WordPress site to embed
Copy and paste this code into your site to embed