Lot 136. Diamond Pendant-Necklace, suspending a pear-shaped diamond weighing 11.12 carats, D color, Internally Flawless, Type IIa. Estimate 900,000 — 1,200,000 USD. © Sotheby’s 

Suspending a pear-shaped diamond weighing 11.12 carats, topped by single-cut diamonds, the clasp highlighted with round diamonds, length 16½ inches.

Accompanied by GIA report no. 5171617292 stating that the diamond is D color, Internally Flawless, together with a letter stating that the diamond has been determined to be Type IIa.

Sotheby's. Magnificent Jewels, New York, 18 avr. 2018, 10:00 AM