27 mars 2016

Queen Amelia of Portugal's Important Colombian Emerald and Diamond Brooch, late 19th century

Lot 1712, Queen Amelia of Portugal's Important Colombian Emerald and Diamond Brooch, late 19th century. Estimate 9,500,000 — 12,000,000 HKD (1,098,240 - 1,387,250 EUR). Photo Sotheby's Designed as an old-mine- and rose-cut diamond scroll cartouche, centring on a cushion modified mixed-cut emerald and two modified calf's head step-cut emeralds weighing 12.22, 3.43 and 2.95 carats respectively, the diamonds together weighing approximately 23.00 carats,... [Lire la suite]

25 avril 2013

 A delicate antique natural pearl and diamond brooch

 A delicate antique natural pearl and diamond brooch. Photo Christie's Image Ltd 2013 The base set with a natural button-shaped pearl, measuring approximately 13.2-13.4 x 8.5 mm, in an old-cut diamond surround, extending five diamond-set branches, each suspending a fringe of natural pearl drops of graduating sizes (one pearl drop deficient), mounted in silver and gold, Portugal, circa 1885, 13.0 cm, in original Leitao e Irmao case. Estimate:  $356,028 – $463,915 Accompanied by report no. 67340 dated 22... [Lire la suite]