Contest Time* Enter to Win a Graff Pink Diamond Ring Look-a-like! | This year marks the FINAL year of operation of the Argyle Mine in Australia. The Argyle mine is famous for
![GRAFF | PINK SAPPHIRE AND DIAMOND PENDANT-NECKLACE 格拉夫 | 粉紅色剛玉配鑽石吊墜項鏈 | Graff: Light & Form | 2020 | Sotheby's GRAFF | PINK SAPPHIRE AND DIAMOND PENDANT-NECKLACE 格拉夫 | 粉紅色剛玉配鑽石吊墜項鏈 | Graff: Light & Form | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/94fea96/2147483647/strip/true/crop/1075x2000+0+0/resize/2048x3810!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fb3%2Fa6%2F96a1f4474f44818b2a3d6b4320be%2F053n10532-bmhmm.jpg)
GRAFF | PINK SAPPHIRE AND DIAMOND PENDANT-NECKLACE 格拉夫 | 粉紅色剛玉配鑽石吊墜項鏈 | Graff: Light & Form | 2020 | Sotheby's
![Graff Pink Diamond, most expensive single jewel ever sold, fetching a staggering US$45.6 million at a Sothebys Geneva auction in November 2010 Graff Pink Diamond, most expensive single jewel ever sold, fetching a staggering US$45.6 million at a Sothebys Geneva auction in November 2010](https://d1sv0smbkmwaa3.cloudfront.net/image-files/14.23-carat-perfect-pink-diamond.jpg)