An amethyst and diamond cluster ring, the circular

5.60 grams, finger size 18mm. London hallmark. Set with central oval-cut amethyst; surrounded by 10x brilliant-cut diamonds, G colour, VS2, totalling 0.15ct.

SAPPHIRE AND DIAMOND CLUSTER RING The circular-cut sapphire within a brilliant-cut diamond surround, mounted in 18 carat gold, diamonds approx. 0.70ct total, London hallmark, ring size approx. M For

OPAL AND DIAMOND CLUSTER RING The circular opal cabochon within a cushion-shaped diamond surround, within closed back settings, diamonds approx. 1.20cts total, ring size approx. L½

SAPPHIRE AND DIAMOND CLUSTER RING The circular-cut sapphire within a surround of brilliant-cut diamonds, ring size approx. S½

AQUAMARINE AND DIAMOND CLUSTER RING The circular-cut aquamarine within a brilliant-cut diamond surround, the gallery and shoulders similarly-set, ring size approx. O For further information on this lo

A SAPPHIRE AND DIAMOND CLUSTER RING Circular-cut sapphire Rose-cut diamonds Stamped 18CT & PLAT Size N / 6.5 3.8 grams

A 9ct gold sapphire and diamond cluster ring. Thecircular-shape sapphire, within a brilliant-cutdiamond surround, to the trifurcated shouldersand plain band. Estimated total diamond weight0.40ct. Hall

AMETHYST AND DIAMOND CLUSTER RING The octagonal-cut amethyst within a single-cut diamond surround, ring size approx. P For further information on this lot please visit Bonhams.com

AN AMETHYST AND DIAMOND CLUSTER RING in 14ct white gold, set with an oval cut amethyst of approximately 31.38 carats in a halo of round brilliant cut diamonds to a scrolled open-work basket, stamped 5

AN 18 CARAT GOLD AMETHYST AND DIAMOND CLUSTER RING an oval-cut amethyst within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.90ct, hallmarked London 2021, ring size N, 6.5

A sapphire and diamond cluster ring. The circular sapphire cabochon, within an old-cut diamond surround, to the scrolling shoulders. Estimated total diamond weight 1ct. Ring size O1/2. Weight 5.3gms.

AN AMETHYST AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut amethyst in a cluster of single cut diamonds, British hallmarks, size G / 3, 8.1g.

An amethyst and diamond cluster ring. The oval amethyst cabochon, with single-cut diamond surround and grooved gallery. Approximate amethyst dimensions 13.7 by 9.9 by 8.5mms. Estimated total diamond w

A VINTAGE AMETHYST AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut amethyst in a border of rose cut diamonds, no assay marks, size O / 7, 4.1g.

AMETHYST AND DIAMOND CLUSTER RING. stamped 18 ct. set with a rich vibrant amethyst . surrounded by bright diamonds . size P 1/2. 4.7 grams.

An amethyst and diamond cluster ring, the yellow metal shank stamped '18ct Plat', ring size P. Sale Section/Category: Rings Artist Resale Rights: FALSE

AN AMETHYST AND DIAMOND CLUSTER RING set with an oval mixed cut amethyst in a cluster of rose cut diamonds, no assay marks, size K / 5, 4.0g.

NO RESERVE - AN AMETHYST AND DIAMOND CLUSTER RING set with an oval mixed cut amethyst in a cluster of rose cut diamonds, no assay marks, size K / 5, 4.0g.

An opal and diamond cluster ring. The circular opal cabochon, with single-cut diamond surround. Estimated total diamond weight 0.40ct. Ring size M1/2. Weight 3.6gms.

AN AMETHYST AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut amethyst within a border of flat cut diamonds, no assay marks, size P / 7.5, 2.7g.

14k gold amethyst and diamond cluster ring, size 6, stamped 14k, 1.9 grams/1.2 dwt, contemporary

A zircon and diamond cluster ring. The circular-shape blue zircon, with single-cut diamond scalloped surround and tapered shoulders. Zircon weight 2.79cts. Estimated total diamond weight 0.25ct. Ring

A platinum Burmese ruby and diamond cluster ring. The circular ruby cabochon, weighing 1.69cts, with brilliant-cut diamond surround and openwork shoulders. With report 78166-49, dated 28th June 2018,

An early 20th century moonstone and diamond cluster ring. The circular moonstone cabochon, within a rose-cut diamond surround. Ring size I1/2. Weight 2.8gms. Overall condition good. Minor surface scra