FINE JEWELLERY, WATCHES, SILVER & COINS 30th April 2025 at 12pm

297 €1,800 - €2,200 A SAPPHIRE AND DIAMOND RING, the oval sapphire to double diamond surround and shoulders, mounted in 18ct white gold. Estimated: weight of sapphire: 1.21 ct, diamonds: 0.21 ct, size N 298 €2,500 - €3,000 A TANZANITE AND DIAMOND RING, the rectangular tanzanite to princess cut diamond shoulders, mounted in 18ct white gold. Estimated: weight of tanzanite: 0.90 ct, diamonds: 1.20 ct, size K 299 €600 - €800 AN AMETHYST RING, the oval amethyst to 18ct yellow gold mount, size M-N 300 €4,500 - €5,000 AN AQUAMARINE AND DIAMOND RING, the oval aquamarine to diamond surround and shoulders, mounted in 18ct white gold. Estimated: weight of aquamarine: 12.41 ct, diamonds: 1.15 ct, 18.7 x 23.13 mm, size M 301 €2,000 - €2,300 AN AQUAMARINE AND DIAMOND RING, the rectangular aquamarine to diamond shoulders, mounted in 18ct white gold. Estimated: weight of aquamarine: 14.15 ct, diamonds: 0.63 ct, 17.5 x 17.6 mm, size M 302 €3,600 - €3,900 A DIAMOND CLUSTER RING, the square cushion cut diamond to diamond surround and split diamond shoulders, mounted in platinum. Estimated: weight of centre diamond: 0.92 ct, colour and clarity: E/F, VVS, size J - K 303 €4,200 - €4,800 AN ANTIQUE THREE STONE DIAMOND RING, the old cut diamonds mounted in platinum. Estimated: weight of diamonds: 2.08 ct total, colour and clarity: H - I, SI, size N 304 €550 - €700 AN ANTIQUE 18CT GOLD BUCKLE RING, hallmarked Chester 1898, set with a diamond and two red stones 305 €1,500 - €1,800 A VINTAGE FRENCH RUBY AND DIAMOND SET BRACELET, shaped openwork links set alternately with rubes and diamonds, 18ct yellow gold with French Assay marks