Lot 116. Colombian Emerald weighing 45.94 carats and Diamond Ring, Oscar Heyman & Brothers. Estimate 800,000 — 1,200,000 USD. © Sotheby’s

Accompanied by AGL report no. 1090729 stating that the emerald is of Colombian origin, clarity enhancement: minor, type: modern.

Accompanied by Gübelin report no. 17042019 stating that the emerald is of Colombian origin, with minor clarity enhancement.

Accompanied by GRS report no. 2017-058746 stating that the emerald is of Colombian origin, with minor clarity enhancement.

Accompanied by GIA report no. 7183281100 stating that the diamond weighing 1.54 carats is H color, VS2 clarity.

Accompanied by GIA report no. 3185281077 stating that the diamond weighing 1.52 carats is G color, VS2 clarity.

Accompanied by a Certificate of Authenticity from Oscar Heyman & Brothers.

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