A sapphire and diamond cluster ring. Of marquise-shape

A sapphire and diamond cluster ring. Of marquise-shape outline, the cushion-shape sapphire, with rose-cut diamond surround and tapered shoulders. French assay marks. Ring size K. Weight 2.5gms.

A sapphire and diamond cluster ring. The marquise-shape sapphire, within an illusion-set diamond surround. Estimated total diamond weight 0.15ct. Ring size M 1/2. Weight 5.4gms.

A late Victorian 18ct gold vari-shape sapphire and old-cut diamond marquise-shape cluster ring, estimated total diamond weight 1ct, hallmarks for Birmingham 1890, ring size M, 5.7g

This is a ladies cocktail cluster ring, with diamond and sapphire 6 round diamonds, and 6 round sapphires, marquise shape sapphire in the center.Ring size 6.50. Total weight 2.10 grams. AY4ZTW

A selection of three diamond and gem-set rings. To include a marquise-shape citrine and diamond cluster ring, an oval-shape green gem and diamond cluster ring, together with a sapphire and diamond ban

A tanzanite and diamond cluster ring. The marquise-shape tanzanite, with brilliant-cut diamond surround. Estimated dimensions of tanzanite 13 by 6 by 4.2mms. Estimated total diamond weight 0.65ct. Rin

A 9ct gold tanzanite and diamond cluster ring. The marquise-shape tanzanite, within a single-cut diamond surround. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 2010. Ring size S. W

A 9ct gold ruby and diamond cluster ring. Of marquise-shape outline, the circular-shape ruby, to the single-cut diamond quatrefoil and circular-shape ruby surrounds. Hallmarks for Birmingham, 1986. We

1144618K YELLOW GOLD YELLOW SAPPHIRE & DIAMOND RING 18k yellow gold ladies yellow sapphire and diamond ring. 1 marquise shape natural sapphire 2.57 carat. 1 pear shaped orange sapphire .94 carat and o

Featuring A 14k Yellow Gold & Diamond Cluster Ring With A Marquise Shape, Over 1ctw, Size 8.5, 3.6g>

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

A Ceylon sapphire and diamond cluster ring. The cushion-shape sapphire, weighing 9.43cts, with brilliant-cut diamond stepped surrounds, to the openwork shoulders. With report 78151-38, dated 11th Apri

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 mid 19th century 18ct gold sapphire and diamond cluster ring. The oval-shape pink sapphire collet, within an old-cut diamond surround, to the plain band. Estimated total diamond weight 0.30ct. Weigh

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 cushion-shape green sapphire, within a brilliant-cut diamond surround. Estimated sapphire dimensions: 10.3, by 7.9, by 4.2mms. Estimated total diamond weight 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 mid 20th century platinum, sapphire and diamond cluster ring. The rectangular-shape sapphire, within a circular-cut diamond scalloped surround, to the openwork gallery. Estimated total diamond weigh

A sapphire and diamond cluster ring. The oval-shape yellow sapphire, to the rectangular-shape diamond sides and brilliant-cut diamond border. Approximate sapphire dimensions: 9.1 by 7.7 by 5mms. Estim

Platinum, Sapphire and Diamond Cluster Ring, centering eleven marquise-shaped sapphires, approximately 1.5 carats, accented by fourteen round diamonds, approximately 1.50 cts, signed Cartier, approxim

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

An 18ct gold sapphire and diamond cluster ring. The rectangular-shape sapphire, with brilliant cut diamond surround and grooved shoulders. Sapphire weight 1.36cts. Total diamond weight 0.59ct. Hallmar

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