Adam's FINE JEWELLERY & WATCHES 16 May 2023

T uesday 16 th M ay 2023 . S tarting at 4 pm 32 36 AN EARLY 20TH CENTURY DIAMOND TARGET RING, CIRCA 1920 Of openwork octagonal design, set to the centre with an old Eu- ropean-cut diamond, within borders of old single cushion-cut diamonds, to further similarly-cut diamond shoulders, with scrolling engravings and millgrain setting detailing, mounted in platinum, ring size H¾ € 2,000 - 3,000 37 AN EARLY 20TH CENTURY GEM-SET BROOCH, CIRCA 1925 The rectangular plaque centring a carved rock crystal accent- ed with brilliant-cut diamond, within a series of calibré-cut sapphires and rubies and single-cut diamonds, with millegrain setting throughout, mounted in platinum, diamonds approximately 2.50cts total, width 5.6cm € 3,500 - 4,000 38 AN EARLY 20TH CENTURY ONYX AND DIAMOND PENDANT NECKLACE, CIRCA 1915 The fancy-link chain suspending graduated old brilliant-cut di- amonds, finishing with an onyx faceted drop plaque centring a similarly-cut diamond, within millegrain setting, mounted in 18K gold and platinum, diamonds approximately 2.80cts total, French assay marks and French import mark, with security chain, central pen- dant 4.5cm, necklace length 39.5cm € 3,000 - 4,000 39 A DIAMOND AND ONYX TARGET RING Centring a brilliant-cut diamond within collet-setting weighing approximately 1.40cts, within an onyx frame and a single-cut diamond frame, the shoulders pavé-set with similarly-cut dia- monds, mounted in 18K gold, ring size N½ € 3,000 - 4,000 40 A DIAMOND CRUCIFORM PENDANT Of openwork cross design, centring an old brilliant-cut dia- mond and highlighted with brilliant-cut diamonds through- out, with scalloped terminals and millegrain setting detailing throughout, to a similarly-set diamond bale suspending from a black satin cord, length (including bale): 9cm € 3,000 - 4,000 Accompanied with a copy of certificate fromWeir & Sons in Dublin stating that the total diamond weight is approximately 6.00cts total and the white metal tested as platinum, dated November 17th 2022. 41 A DIAMOND ‘TOI ET MOI’ DRESS RING Each old brilliant-cut diamond with rose-cut diamond crossover and scrolling shoulders, mounted in 18K gold and platinum, prin- cipal diamonds approximately 1.95cts total, French import marks, ring size M € 5,000 - 6,000