A bi-colour 18ct gold 'orangey brown' diamond and

An 18ct gold diamond brooch. Of bi-colour design, with intertwined undulating bars and brilliant-cut diamond highlights. AF. Estimated total diamond weight 0.25ct. Hallmarks for London, 2013. Length 4

A gentleman's 18ct gold diamond ring. Of bi-colour design, the brilliant-cut diamond, inset to a stepped panel, with grooved shoulders and tapered band. Estimated diamond weight 0.20ct, J-K colour, P1

LOUIS VUITTON - an 18ct gold diamond airplane charm. Of bi-colour design, the plane, with twin propellers and brilliant-cut diamond cockpit and windows, suspended from a geometric surmount, with later

An 18ct gold diamond crossover ring. Of bi-colour design, comprising seven brilliant-cut diamond crossover bands, with tapered sides. Total diamond weight 0.88ct. Hallmarks for Birmingham. Ring size O

An 18ct gold diamond band ring. Of bi-colour design, the brilliant-cut diamond openwork scrolling foliate motif, to the scroll engraved sides and polished back panel. Estimated total diamond weight 0.

An 18ct gold diamond and 'coloured' diamond cluster ring. Of bi-colour design, the brilliant-cut 'green' diamond, with similarly-cut 'green' diamond and diamond stepped surround. Estimated total colou

An 18ct gold diamond band ring. Of bi-colour design, the brilliant-cut diamonds, inset to the plain band. Estimated total diamond weight 0.30ct. Import marks for London. Ring size L. Weight 6.9gms. Ov

(19667) An 18ct gold diamond signet ring. The old-cut diamond, within a star setting, with bi-colour surround and engraved shoulders. Estimated diamond weight 0.20ct. Hallmarks for Birmingham, 1930. R

A pair of 18ct gold diamond earrings. Each of bi-colour design, the brilliant-cut diamond quatrefoil, suspended from a graduated similarly-cut diamond line surmount. Estimated total diamond weight 0.6

An 18ct gold diamond cross pendant. Of bi-colour design, the brilliant-cut diamond cross, suspended from a tapered surmount. Total diamond weight 0.50ct, stamped to mount. Import marks for Sheffield,

An 18ct gold diamond five-stone ring. The graduated old-cut diamond line, with bi-colour mount and scrolling foliate shoulders. Estimated total diamond weight 0.45ct. Ring size N. Weight 3.4gms.

A diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, to the stepped shoulders and plain band. Diamond weight 0.20ct, stamped to the band, estimated I-J colour, P1 clarity. Hall

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.

THEO FENNELL - an 18ct gold beryl and diamond 'Rainforest' ring. Of bi-colour design, the circular green beryl cabochon, hinged to reveal a frog, to the foliate and pave-set diamond band. Signed Fenne

A mid 20th century 18ct gold and platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with tapered shoulders and single-cut diamond accents. Principal diamond estimated

An 18ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with bi-colour gallery and band. Estimated total diamond weight 0.30ct. Ring size K. Weight 1.6gms.

Two coloured diamond rings, comprising an 18ct gold coloured diamond three stone ring, with graduated round brilliant cut diamonds of light brown colour, to plain shoulders and a flat section shank, B

An 18ct gold brilliant-cut diamond 'Trinity' bracelet, on adjustable brown cord, by Cartier.Total diamond weight 0.17ct, estimated G-H colour, VS clarity.Swiss convention marks. Maximum length 21.5cms

An 18ct gold, diamond and coloured pearl pendant, set with three slightly graduated pearls of rose, pink and oyster colour, spaced with quatrefoil brilliant cut diamond connections to a diamond set lo

An 18ct gold rectangular-shape diamond single-stone ring.Diamond weight 5.76cts, estimated tinted 'light yellowish brown' colour, SI2-P1 clarity.Hallmarks for London, 2011. Ring size M. 5.1gms.

Chinese 18 kt gold, assay marking, from the early 20th century, studded with old cut diamonds, of approx. 0.9 ct. Approx. weight: 4.87 g. Med.: 11.

A 9ct gold cased fob watch on an 18ct gold bi-colour chain, watch 46.6g, chain 6g

Six pairs of diamond and gem-set earrings. To include a pair of 9ct gold diamond bi-colour earrings, a pair of opal earrings, with four further pairs of earrings. Estimated total diamond weight 0.10ct

Five diamond and gem-set rings. To include an 18ct gold diamond tri-colour crossover band ring, a 9ct gold diamond three-stone ring, with three further rings. Estimated total diamond weight 0.25ct. On