Brooches Jewels : Gold, Platinum, Diamond and Ruby 'Ibex' Brooch, Tiffany & Co., Schlumber… 25 August 2018 3322 Brooches Jewels : Gold, Platinum, Diamond and Ruby 'Ibex' Brooch, Tiffany & Co., Schlumberger 18 kt., 64 round diamonds ap. 1.25 cts., signed Tiffany & Co., Schlumberger, ap. 12 dwts.