566
古董 5.79克拉「斯里蘭卡」天然藍寶石配鑽石別針, 約1910年, 藍寶石未經加熱處理
One sugarloaf sapphire, weighing 5.79 caratsOpenwork set with diamonds, totalling approximately 2.00 caratsEmbellished by calibré-cut sapphires, together approximately 3.00 caratsPlatinum and 18 karat white gold附 瑞士 Gübelin 證書