An 18ct gold fire opal and diamond three-stone ring.

An 18ct gold opal and diamond three-stone ring. The oval opal cabochon line, with single-cut diamond double spacers, to the scrolling sides and plain band. Hallmarks for London, 1961. Weight 4.9gms.

An early 20th century 18ct gold opal and diamond three-stone ring. The graduated oval opal cabochon line, with old-cut diamond double spacers. Estimated total diamond weight 0.10ct. Ring size L1/2. We

An Edwardian 18ct gold opal three-stone ring, with old-cut diamond spacers. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1903, partially indistinct. Ring size N. 3.8gms.

18ct gold three stone opal and diamond ring, size K, 4.1g.

An Edwardian 18ct gold graduated opal three-stone ring, with old-cut diamond spacers. Estimated total diamond weight 0.15ct.Hallmarks for Birmingham, 1905. Ring size O1/2. 5.3gms.

AN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an opal cabochon between two old cut diamonds, stamped 18, size G / 3, 2.3g.

AN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an oval cabochon opal between two round brilliant cut diamonds, stamped 750, size K1/2 / 5.5, 4.7g.

Two late 19th and mid 20th century 18ct gold diamond and gem rings. To include a late 19th century graduated opal cabochon three-stone ring with diamond point double spacers, together with a similarly

Four gold diamond and gem-set rings. To include an 18ct gold diamond and garnet-topped-doublet three-stone ring, a 9ct gold opal cluster ring, together with two further 9ct gold rings. Estimated total

An 18 Carat Gold and Three Stone Opal Ring set with Diamonds... Stamped 18CT, Size N, weight 4.3g

A three stone half hoop fire opal and diamond ring, the oval cut opal in claw mounts with round brilliant cut diamonds to each side, on plain 9ct gold shank, together with three further gem-set rings

(544043-4-A) Two 19th century gold gem-set rings. To include an 18ct gold old-cut diamond and black enamel mourning ring, AF, together with a replacement emerald and opal three-stone ring with openwor

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, with plain band. Total diamond weight 1.27cts, stamped to band, estimated H-I colour, SI clarity. Hallmarks for Birming

(52273) An 18ct gold diamond three stone ring. The graduated baguette-cut diamond line, with plain band. Hallmarks for Birmingham, 2000. Ring size J. Weight 3.4gms.

An 18ct gold diamond three-stone ring. The rectangular-shape diamond, with brilliant-cut diamond shoulders, to the plain band. Total diamond weight 0.52ct, stamped to band. Principal diamond estimated

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, with similarly-cut diamond line shoulders. Estimated total diamond weight 0.80ct, principal diamonds estimated H-I colo

A late Victorian 18ct gold diamond three-stone ring. The graduated old-cut diamond line, star-set into the plain band. Estimated total diamond weight 0.35ct, principal diamond estimated I-J colour, SI

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, with grooved shoulders. Estimated total diamond weight 0.45ct, principal diamond estimated H-I colour, P1 clarity. Hall

A mid 20th century 18ct gold diamond three-stone ring. The graduated circular-cut diamond diagonal line, to the diamond point asymmetric shoulders. Estimated total diamond weight 0.30ct, I-J colour, S

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond collet line, with tapered shoulders. Total diamond weight 0.54ct, stamped to band, estimated H-I colour, VS2-SI1 clarity. Hal

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond diagonal line, with curved shoulders. Total diamond weight 0.33ct, stamped to band. Hallmarks for Birmingham, 1992. Ring size

An 18ct gold diamond three-stone ring. The brilliant-cut diamond line, with scrolling partial collet mounts, to the plain band. Estimated total diamond weight 0.20ct. Hallmarks for London, 2014. Ring

An 18ct gold diamond three-stone ring. The illusion-set brilliant-cut diamond, to the similarly-set slightly graduated diamond sides and tapered band. Estimated total diamond weight 0.25ct. Hallmarks

An 18ct gold diamond three-stone ring. The brilliant-cut diamond line, with bi-colour mount. Total diamond weight 0.33ct, stamped to band. Hallmarks for London. Ring size N. Weight 3.7gms.