ADAM'S Fine Jewellery & Ladies Watches 13th May 2025

TUESDAY 13 TH MAY 2025 . STARTING AT 2PM 152 226 A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING The cut-cornered rectangular sapphire weighing 6.29cts, within a multiple-claw set - ting, to a brilliant-cut diamond surround, mounted in 18K gold, diamonds approxi- mately 1.70cts, ring size K½ € 15,000 - 20,000 Accompanied by a report from GRS laboratory in Switzerland, stating that the natural sapphire, weighing 6.29cts, is of Sri Lankan origin, no indication of thermal treatment, colour changing from blue (daylight) to purple-pink (incandescent light). Report num - ber GRS2023-097522, dated September 21st 2023. 227 MARGHERITA BURGENER. A PAIR OF DIAMOND AND TITANIUM EARRINGS Each designed as an undulating petal, accented with brilliant-cut diamonds, mounted in 18K gold and puplish-blue titanium, signed Margherita Burgener, with maker’s mark ‘MB’, Italian registry mark, with maker’s case, length 2.3cm € 1,000 - 1,500