Lot 360. Spectacular fancy dark brown-greenish yellow diamond and diamond necklace, the diamond weighing 102.53 carats. Estimate CHF1,957,000–3,914,000 ($2,000,000–4,000,000). Lot Sold 2,055,000 CHF. Courtesy Sotheby's.

Set with a heart-shaped fancy dark brown-greenish yellow diamond weighing 102.53 carats, framed with brilliant-cut diamonds of pink tint and heart-shaped diamonds, the necklace set with heart-shaped diamonds, length approximately 360mm.

Accompanied by GIA report no. 2185800325, stating that the diamond weighing 102.53 carats, is Fancy Dark Brown-Greenish Yellow, Natural Colour, SI1 Clarity. Also accompanied by GIA report no. 5181800755, no. 2181800782 and no. 6187800769, stating that the diamonds weighing 2.81, 3.01 and 6.09 carats central drop are K, F, J Colour, VS2, SI1 and VS2 Clarity, respectively.

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