An 18ct gold boulder opal and single-cut diamond brooch, with textured, stepped surrounds, by

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 opal and diamond cluster ring. The oval opal cabochon, within a single-cut diamond surround, to the tapered band. Estimated total diamond weight 0.35ct. Hallmarks for London, 1978. Ring s

An 18ct gold ruby and diamond cluster ring. The single-cut diamond, within a circular-shape ruby and single-cut diamond stepped surround. Estimated total diamond weight 0.10ct. Hallmarks for London, 1

A mid 20th century 18ct gold and platinum, opal and diamond cluster ring. The opal cabochon, within a single-cut diamond surround. Estimated total diamond weight 0.10ct. Ring size O. Weight 2.6gms. Ov

An 18ct gold sapphire and diamond cluster ring. Of floral design, the oval-shape sapphire, within a single-cut diamond and textured petal surround. Estimated total diamond weight 0.30ct. Hallmarks for

An 18ct gold diamond cluster ring. The single-cut diamond, within a similarly-cut diamond stepped surround. Total diamond weight 0.15ct, stamped to band. Hallmarks for Sheffield. Ring size K. Weight 2

Two 18ct gold diamond and gem-set rings. To include an oval opal cabochon single-stone ring with brilliant-cut diamond stepped sides, together with a ruby and diamond cluster ring. Estimated total dia

A 1960s 18ct gold diamond and sapphire dachshund brooch. The dachshund brooch, with single-cut diamond collar, circular-shape sapphire eyes and nose, and textured coat. Hallmarks for London, 1965. Len

An Edwardian 18ct gold opal and diamond seven-stone ring. The graduated oval opal cabochon line, with single-cut diamond line spacers. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham,

A 14 Karat Yellow Gold, Opal, Diamond and Nephrite Flower Brooch, consisting of three carved opal flower sections, three carved nephrite jade leaves, and three round single cut diamonds, brooch measur

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 ring. The oval opal cabochon, to the single-cut diamond and circular opal cabochon sides. Weight 3.2gms.

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond, within a single-cut diamond surround, to the plain band. Principal diamond estimated weight 0.75ct, tinted colour, SI clarity. R

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, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.45ct. Hallmarks for London, 1976. Rin

An 18ct gold emerald and diamond cluster pendant. The rectangular-shape emerald, with a single-cut diamond surround and surmount. Pendant with hallmarks for Sheffield. Length of pendant 1.9cms. Length

An early 20th century 18ct gold zircon and diamond cluster ring. The circular-shape zircon, within a single-cut diamond surround, with tapered shoulders. Estimated total diamond weight 0.15ct. Ring si

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 ruby and diamond cluster ring. The circular-shape ruby quatrefoil, with single-cut diamond surround. Estimated total diamond weight 0.20ct. Hallmarks for London, 1988. Ring size L1/2. Wei

A mid 20th century 18ct gold and platinum ruby and diamond cluster ring. The circular-shape ruby, with single-cut diamond surround and tapered shoulders. Estimated total diamond weight 0.15ct. Stamped

Two mid 20th century 18ct gold and platinum, diamond and sapphire rings. The first designed as a circular-shape sapphire with single-cut diamond surround, the second designed as a circular-cut diamond

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