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

An 18ct gold tanzanite and diamond ring. The oval-shape tanzanite line, interspaced by single-cut diamond lines, to the plain band. Hallmarks for London, 2015. Weight 4.8gms.

An 18ct gold tanzanite three-stone ring. The oval-shape tanzanite, with similarly-cut tanzanite sides. Hallmarks for Birmingham, 2005. Ring size N. Weight 3.8gms.

An 18ct gold kunzite and diamond ring. The oval-shape kunzite, with brilliant-cut diamond grooved shoulders. Estimated dimensions of kunzite 14 by 10 by 7mms. Hallmarks for Birmingham, 2008. Ring size

An 18ct gold sapphire and diamond ring. The oval-shape sapphire, with brilliant-cut diamond sides. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1986. Ring size H. Weight 2.1gms.

An Edwardian 18ct gold opal and diamond ring. The oval-shape opal line, with old-cut diamond spacers and scrolling gallery. Estimated total diamond weight 0.15ct. Hallmarks for London, 1903. Ring size

An 18ct gold emerald and diamond ring. The oval-shape emerald, with graduated brilliant-cut diamond line sides and tapered band. Estimated total diamond weight 0.20ct. Import marks for Sheffield. Weig

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.

An early 20th century 18ct gold sapphire and diamond ring. The oval-shape sapphire line, with old and rose-cut diamond spacers, to the plain band. One sapphire deficient. Band split. Hallmarks for Bir

A 14ct gold tanzanite and diamond dress ring. The oval-shape tanzanite, with brilliant-cut diamond double sides and tapered baguette-cut diamond shoulders. Tanzanite weight 1ct. Total diamond weight 0

A 9ct gold tanzanite and diamond crossover ring. The oval-shape tanzanite, with brilliant-cut diamond curved shoulders. Hallmarks for Birmingham. Ring size M. Weight 2.1gms.

A 9ct gold tanzanite and diamond dress ring. The oval-shape tanzanite line, with single-cut diamond line sides. Hallmarks for Birmingham. Ring size L. Weight 2.8gms.

A 9ct gold tanzanite and diamond cluster ring. The oval-shape tanzanite, with single-cut diamond surround and similarly-cut diamond tapered shoulders. Hallmarks for Birmingham. Ring size K1/2. Weight

An Edwardian 18ct gold ruby and diamond ring. The oval-shape ruby line, with rose-cut diamond double spacers and an openwork gallery. Hallmarks for Chester, 1903. Ring size N. Weight 2.5gms.

A 9ct gold tanzanite and diamond cluster ring. The oval-shape tanzanite, with a brilliant-cut diamond surround and accent shoulders. Hallmarks for Birmingham. Ring size L. Weight 2.6gms. Overall condi

A 9ct gold tanzanite and diamond cluster ring. The oval-shape tanzanite and single-cut diamond surround, with similarly-cut diamond-line shoulders. Hallmarks for Birmingham. Ring size M. Weight 2.1gms

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

An 18ct gold emerald and diamond cluster ring. The oval-shape emerald, within a baguette and tapered baguette-cut diamond scrolling surround. Emerald weight 3.05cts. Total diamond weight 1.14cts. Hall

An 18ct gold emerald and diamond cluster ring. The oval-shape emerald, within a brilliant-cut diamond scalloped border. Estimated total diamond weight 1.50cts, J-K colour, SI-P1 clarity, Weight 4.7gms

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 ruby and diamond cluster ring. The oval-shape ruby, within a brilliant-cut diamond border, to the plain band. Estimated total diamond weight 0.65ct, J-K colour, SI-P1 clarity. Hallmarks f

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