4 mai 2016
An important 21.06 carats Burma octagonal step-cut sapphire and diamond ring, by Cartier
Lot 316. Collection of H.S.H. Gabriela Princess zu Leiningen. An important 21.06 carats Burma octagonal step-cut sapphire and diamond ring, by Cartier. Estimate CHF650,000 – CHF750,000 ($685,412 - $790,860). Price realised CHF 797,000. Photo Christie's...