Tiffany & Co., sapphire, diamond and pearl necklace, the fine necklace with natural pearls to a diamond set openwork foliate bar suspending an old mine-cut diamond and star sapphire below, platinum, weight 15.9gm, length necklace 60 cm, drop 37 cm. Accompanied by GSL report no. AA68932, dated 25 March 2024, stating that the cabochon star sapphire is of Ceylon origin with no evidence of heat treatment. Accompanied by GSL Technical report no. AA68994, dated 26 March 2024, stating that the pearls show no evidence of an internal bead, and the old mine-cut diamond is estimated as J-K colour and SI1 clarity.