Adam's FINE JEWELLERY & WATCHES 16 May 2023

T uesday 16 th M ay 2023 . S tarting at 4 pm 140 232 A DIAMOND SINGLE-STONE RING The brilliant-cut diamond weighing approximately 3.00cts within a six claw-setting and between collet-set baguette-cut diamond shoulders, mounted in platinum, remaining diamonds ap- proximately 0.40ct total, ring size I¼ € 9,000 - 11,000 233 A RUBY AND DIAMOND CLUSTER RING The central oval-shaped ruby weighing approximately 1.80ct within a multiple claw setting, to a brilliant-cut diamond sur- round, mounted in 18K gold, diamonds approximately 1.30ct total, with London import marks 1979, ring size Q½ € 1,500 - 2,500 * Please note that the ruby was verbally tested by GCS laboratory in London in February 2023.The ruby tested to be natural, Thai origin with indications of heat treatment. 234 AN OPAL AND DIAMOND CLUSTER RING The oval-shaped fire opal weighing approximately 10.28cts within a multi-claw setting, to a brilliant-cut diamond sur- round, mounted in 18K gold, diamonds approximately 0.60ct total, with maker’s mark ‘E&W’, English hallmarks for Birmingham 1975, numbered, ring size M € 500 - 700 * Please note that the opal was verbally tested at GCS laboratory in London, in March 2023 235 A PAIR OF CULTURED PEARL AND DIAMOND EARRINGS, BY REPOSSI Each cultured pearl of white tint measuring approximately 10.89mm set above a stylised bow motif pavé-set with bril- liant-cut diamonds, mounted in 18K gold, signed Repossi, Italian registry mark, length 1.8cm € 1,200 - 1,800 236 A PAIR OF EMERALD AND DIAMOND PENDENT EARRINGS Each oval-shaped emerald within a four-claw setting, to a bril- liant-cut diamond frame and similarly-cut diamond surmount, mounted in 18K gold, with case fromWeir & Sons and a copy of invoice from same, dated May 13th 2022, length 2.7cm € 1,500 - 2,000 237 A SAPPHIRE AND DIAMOND CLUSTER RING The oval-shaped sapphire weighing approximately 5.80cts within multiple claw-setting, to a brilliant-cut diamond sur- round, mounted in 18K gold, diamonds approximately 1.30ct total, with maker’s mark, French assay mark, ring size N € 6,000 - 7,000