Lot 1713. An Impressive 100.02 carats Fancy Intense Yellow Diamond and Diamond Necklace, Designed by Anna Hu. Estimate 40,000,000 — 50,000,000 HKD (5,103,600 - 6,379,500 USD). Courtesy Sotheby's.

The front designed as a Chinese musical instrument pipa, centring upon a cushion-shaped fancy intense yellow diamond weighing 100.02 carats, embellished with variously shaped and brilliant-cut diamonds, to the scrolled diamond-set necklace, mounted in 18 karat white and yellow gold, pipa detachable and can be worn as pendant/brooch, a section of necklace can be detached and worn as single earring, signed Anna Hu, necklace length approximately 440mm, post and hinged back fitting for earring.

Accompanied by GIA report no. 6173064376, dated 4 October 2018, stating that the diamond is Fancy Intense Yellow, Natural Colour, Internally Flawless.