Adam's Fine Jewellery & Watches 15th September 2020 at 4pm

25 22 A FINE LATE 19TH CENTURY ‘EN TREMBLANT’ DIAMOND BROOCH, CIRCA 1880 The central flower mounted ‘en tremblant’, set with old brilliant, cushion and single-cut diamonds throughout the petals, pistils and stems, within open-back setting, mounted in silver and gold, diamonds approximately 10-11cts total, detachable brooch pin on the reverse, length 6.7cm € 10,000 - 15,000 23 AN EDWARDIAN DIAMOND DRESS RING, CIRCA 1900 Composed of a marquise-shaped plaque set with graduated old brilliant and single-cut diamonds, mounted in 18K gold, diamonds approximately 2.50cts, ring size O½ € 1,200 - 1,800 24 A DIAMOND CRESCENT BROOCH Set throughout with brilliant-cut diamonds, mounted in silver and gold, diamonds approximately 1.60ct total, length 5.3cm € 1,000 - 1,500