Lot 281. Impressive fancy coloured diamond and diamond parure, weighing 58.17, 44.08, 36.35, 18.84 and 18.24 carats. Estimate CHF3,425,000–5,385,000 ($3,500,000–5,500,000). Courtesy Sotheby's.

Accompanied by five GIA reports:
no. 2181816515, stating that the diamond weighing 58.17 carats is Fancy Deep Brown-Yellow, Natural Colour, SI2 Clarity; 
no. 6187816510, stating that the diamond weighing 44.08 carats it Fancy Brown-Yellow, Natural Colour, VS2 Clarity;
no. 2181816519, stating that the diamond weighing 36.35 carats is Fancy Brown-Orange, Natural Colour, VS2 Clarity;
no. 6187816536, stating that the diamond weighing 18.84 carats is N Colour, VS2 Clarity;
no. 2181816501, stating that the diamond weighing 18.24 carats is Fancy Deep Brown-Yellow, Natural Colour, SI2 Clarity 

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 15 nov. 2017, 10:30 AM