An 18ct gold sapphire and diamond ring. The oval-shape

An 18ct gold sapphire and diamond ring. The oval-shape orange sapphire, with single-cut diamond sides, to the tapered band. Hallmarks for Birmingham, 2005. Weight 4.1gms.

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 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

An 18ct gold sapphire and diamond dress ring. The oval-shape sapphire, within a pave-set old-cut diamond surround, to the bifurcated shoulders. Estimated total diamond weight 1.50cts. Hallmarks for Bi

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

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

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire collet, within a baguette-cut diamond border. Estimated total diamond weight 0.75ct, H-I colour, VS clarity. Hallmarks for Birmi

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.45ct. Hallmarks for London, 1976. Rin

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an old-cut diamond, illusion-set surround. Estimated total diamond weight 0.30ct. Weight 5.7gms.

An Edwardian 18ct gold sapphire and diamond ring. The graduated oval-shape sapphire line, with diamond point double spacers, to the palmette sides. Hallmarks for Birmingham, 1905. Ring size Q 1/2. Wei

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the plain band. Estimated total diamond weight 0.25ct. Hallmarks for Birmingham, 19

An early 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire and single-cut diamond surround, with scrolling engraved shoulders. Estimated total diamond weight 0.15ct. Ha

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, with circular-cut diamond surround and fleur-de-lis shoulders. Estimated total diamond weight 0.50ct. Hallmarks for London, 197

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, with single-cut diamond surround. Estimated total diamond weight 0.10ct. Hallmarks for 18ct gold, partially indistinct. Ring si

A 1970s 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, with single-cut diamond surround and baguette-cut diamond sides. Estimated total diamond weight 0.30ct. Hallmarks for Lond

A platinum and 18ct gold sapphire and diamond cluster ring. The oval-shape greenish blue sapphire, with single-cut diamond surround and tapered sides. Estimated total diamond weight 0.20ct. Hallmarks

An 18ct gold sapphire and diamond dress ring. The oval-shape yellow sapphire, with brilliant-cut diamond trefoil sides, to the plain band. Estimated total diamond weight 0.20ct. Hallmarks for Birmingh

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

* An 18ct gold sapphire and diamond cluster ring. The oval-shape pink sapphire, within a brilliant-cut diamond surround, to the plain band. Estimated total diamond weight 0.15ct. Hallmark for Birmingh

An 18ct gold sapphire and diamond ring. Comprising three oval-shape sapphires, with brilliant-cut diamond double spacers. Estimated total diamond weight 0.10ct. Hallmarks for London. Ring size N. Weig

An 18ct gold sapphire and diamond dress ring. The oval-shape sapphire duo, with brilliant-cut diamond accents and crossover band. Import marks for Birmingham, 1977. Ring size H. Weight 3.9gms.

An 18ct gold sapphire and diamond dress ring. The graduated oval-shape sapphire line, within a single-cut diamond textured surround. Estimated total diamond weight 0.10ct. Hallmarks for London, 1977.

An 18ct gold Ceylon sapphire and diamond ring. The graduated oval-shape sapphires, with baguette-cut diamond sides. Sapphire weights 2.20cts. Hallmarks for Sheffield. Ring size O1/2. Weight 3.6gms. Ov