The Pink Legacy, a 18.96 carat fancy vivid pink diamond once owned by Oppenheimer family is displayed on November 8, 2018 during a press preview ahead of sales by Christie's auction house in Geneva. The auction will take place in Geneva on November 13, 2018. (Photo/Agencies)
The Pink Legacy, a 18.96 carat fancy vivid pink diamond once owned by Oppenheimer family is displayed on November 8, 2018 during a press preview ahead of sales by Christie's auction house in Geneva. - The auction will take place in Geneva on November 13, 2018. (Photo/Agencies)
The Pink Legacy, a 18.96 carat fancy vivid pink diamond once owned by Oppenheimer family is displayed on November 8, 2018 during a press preview ahead of sales by Christie's auction house in Geneva. The auction will take place in Geneva on November 13, 2018. (Photo/Agencies)