Adam's FINE JEWELLERY & WATCHES 7th December 2021

T uesday 7 th D ecember 2021 . S tarting at 4 pm 154 239 AN OPAL AND DIAMOND PENDANT ON CHAIN The pear-shaped cabochon opal drop within a surround of brilliant-cut diamonds, suspending from a fine trace-link chain highlighted with four collet-set brilliant-cut diamonds, mounted in 18K gold, pendant length 3.5cm, chain length 40.7cm € 1,400 - 1,800 240 A DIAMOND SINGLE-STONE RING, BY WEIR The central rectangular-cut diamond weighing 0.40ct with- in a four-claw setting, to a brilliant-cut diamond frame and shoulders, mounted in platinum, signed Weir, numbered 575, with maker’s case and outer box, ring size J € 700 - 900 Accompanied by a report from IGI laboratory in Antwerp, stating that the diamond weighing 0.40ct is E colour, VS1 clarity. Report number 196505592, dated February 1st 2016 241 A DIAMOND DRESS RING The frontispiece set with three rows of brilliant-cut diamonds between reeded shoulders, mounted in 18K gold, diamonds approx- imately 1.20cts total, ring size M € 1,000 - 1,500 242 A COLOURED DIAMOND SINGLE-STONE RING The cushion-shaped diamond weighing approximately 1.00ct, to a plain 18K gold hoop, ring size P½ € 1,200 - 1,800 ** Please note that the diamond has not been tested for nat- ural colour 243 A DIAMOND LINE BRACELET Composed of a continuous row of brilliant-cut diamonds with- in claw-setting, mounted in 18K gold, diamonds approximately 8.71cts total, length 18.2cm € 6,500 - 7,500 244 A SAPPHIRE AND DIAMOND RING The cushion-shaped sapphire weighing approximately 2.30cts within a four-claw setting to princess-cut diamond shoulders, mounted 18K gold, diamonds approximately 0.50ct total, ring size L½ € 3,000 - 4,000