Mong Hsu Rubies at Auctions

The suite at the entry figure contains 58.22 ct of Mong Hsu rubies (the largest is 2.62 ct). Courtesy of Mouawad Jewellers.

The identification of the origin of the following objects is an opinion of the GRS Gemresearch Swisslab AG (Luzern) and is not a guarantee or an independent appraisal of the gemstone. The origin may not be stated by the auction houses or it may have been determined by another laboratory differently.

The auction results are publically available data and the prices include mounting and setting with other gemstones, such as other mounted diamonds. The information of the lots and objects is not completely stated. Please check the auction house catalogues. The prices are given in US Dollars (slightly rounded).

Christie's, St. Moritz, 20th February, 1997

Lot 406, oval ruby of 15.04 ct

Estimate 400 000 to 480 000 US Dollars

Christie's, Geneva, 21st November, 1996

Lot 286 (A Single-Stone Ruby Ring, by Bulgari), cushion-shaped ruby weighing 5.08 ct (good quality)

Hammer price: approximately 29'000 US Dollars

Lot 318 (A Ruby and Diamond Cluster Ring), cushion-shaped ruby, weighing 4.18 ct

Hammer price: approximately 23'500 US Dollars

Lot 487 (A Pair Ruby and Diamond Ear - Pendants), two heart-shaped rubies, weighing 3.02 and 3.04 carats

Hammer price: approximately 33'100 US Dollars

Sotheby's, Geneva, 20th November, 1996

Lot 254 (Ruby and Diamond Ring), oval-shaped ruby of 4.04 cts

Hammer price: approx. 19'000 US Dollars

Sotheby's, New York, 21. October 1996

Lot 596 (Very Fine Ruby and Diamond Ring), cushion-shaped ruby of 4.06 cts (diamonds total of 5.50 cts):

Hammer price: 167'500 US Dollars

(Remark: Best ever possible quality, World record type ruby in its category of 4-5 cts)