A SAPPHIRE AND DIAMOND CLUSTER RING Oval sapphire,

An 18ct gold sapphire and diamond cluster ring. The oval sapphire, within a brilliant-cut diamond scalloped surround and tapered band. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham,

18ct gold sapphire and diamond cluster ring: Pale blue oval sapphire approx. 1.2ct, ring size M, 4.1g. Insurance valuation from Prestons dated 2012 for £3500.

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the replacement 18ct gold band. Estimated dimensions of sapphire: 18.9 by 15.8, by 8.1mms. Est

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 1.10ct, ring size L1/2, 4.4 grams Accompanied by a pr

A sapphire and diamond cluster ring. The oval-shape sapphire, within a graduated brilliant-cut diamond double surround, to the bifurcated shoulders and grooved band. Approximate sapphire dimensions: 1

A sapphire and diamond cluster ring. The oval-shape sapphire, to the single-cut and rectangular-shape diamond sides, with single-cut diamond border. Estimated total diamond weight 0.30ct. Weight 2.6gm

A sapphire and diamond cluster ring. The oval-shape sapphire, within a circular-cut diamond surround, to the plain band. Estimated total diamond weight 2.15cts, K-tinted, SI-P1 clarity. Weight 10.1gms

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a fancy milgrain border of old-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.70ct, marked 'Plat', ring size M

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an old-cut diamond border, to the trifurcated shoulders and plain band. Estimated total diamond weight 1

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weigh

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond panel surround, to the similarly-set diamond shoulders. Estimated total diamond weight 0.65ct. Weight 4.4gm

A sapphire and diamond cluster ring. The oval-shape sapphire, measuring 7.7 by 5.9 by 2.9mms, with rectangular-shape diamond sides and a brilliant-cut diamond border, to the tapered band. Estimated to

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a fancy pierced milgrain border of round-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.30

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a double border of eight-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.60ct, marked 'PT950', ring size L1/2,

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire spaced by channel-set calibré-cut sapphires and within a fancy pierced milgrain plaque set throughout with round brilliant-cut diamonds. Est

A late Victorian gold, sapphire and diamond cluster ring. The oval-shape sapphire, with old-cut diamond surround and stylised foliate sides. Estimated total diamond weight 0.65ct. Ring size K1/2. Weig

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond scalloped surround, to the single-cut diamond shoulder accents. Estimated total diamond weight 0.60ct. Weig

AN 18 CARAT GOLD SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.50ct, hallmarked London 2021, ring size N, 5.4

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut and rectangle-cut diamond surround, to the plain band. Estimated total diamond weight 0.55ct. Weight 4.8gms.

A sapphire and diamond cluster ring. The oval-shape sapphire collet, with single-cut diamond surround and similarly-cut diamond accent shoulders. Estimated total diamond weight 0.40ct. Ring size L1/2.

A sapphire and diamond cluster ring. The oval-shape sapphire, with brilliant-cut diamond surround. Estimated total diamond weight 8.6 by 6.5 by 5mms. Estimated total diamond weight 0.30ct. Stamped 750

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weight 0.85ct, I-J co

A SAPPHIRE AND DIAMOND CLUSTER RING, an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, marked '750', ring size N, 5.3 grams

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weight 0.30ct. Hallmarks