gemstone

A mid 20th century platinum brilliant and baguette-cut diamond necklace, convertible to two bracelets. Estimated total diamond weight 30cts, pre...

A cultured pearl seven-strand necklace, with carved mother-of-pearl and diamond accent spacers. Estimated total diamond weight 1ct. Stamped 750....

A coral and brilliant-cut diamond necklace. Estimated total diamond weight 8cts. Length 39cms. 68.9gms. Coral untested for natural colour origi...

A 19th century gold gloved hand clasp, with ruby ring accent. Length 2.9cms. 4.3gms. Condition Report: Scratches and minor marks. Ruby app...

An early to mid 20th century gold oval jadeite jade cabochon single-stone ring. Jade estimated dimensions of 15.5 by 11 by 4.6mms. Foreign marks...

A graduated cultured pearl three-row necklace, with ruby bead spacers and 18ct gold ruby cabochon and diamond clasp. Cultured pearl estimated le...

An aquamarine and square-shape diamond pendant, with chain. Aquamarine calculated weight 7.66cts, based on estimated dimensions of 15 by 9.8 by ...

A late Victorian 15ct gold amethyst and split pearl heart brooch, by Charles Horner. Stamped 15C. Length 3.2cms. 14.6gms. With fitted maker's ...

A Victorian gold turquoise bow brooch. Length 7.4cms. 18.7gms. With fitted W. Batty & Son case. Condition Report: Varied dents and scratches. ...

A platinum brilliant and pear-shape diamond floral cluster ring. Principal diamond estimated weight 3cts, J-K colour, SI clarity. Estimated tot...

A cultured pearl two-row necklace, with 1960s 9ct gold garnet and cultured pearl cluster clasp, with matching bracelet. Cultured pearl estimated...

A vari-cut diamond pierced geometric pendant, on chain. Principal diamond estimated weight 0.45ct, G-H colour, P1 clarity. Pendant stamped 585,...

An 18ct gold morganite, aquamarine and diamond pendant, with 18ct gold chain. Morganite weight 4.98cts. Aquamarine weight 0.82ct. Total diamon...

A mid 20th century 18ct gold brilliant-cut diamond bracelet.  Total diamond weight 9.73cts, stamped to mount, estimated predominantly G-I colour...

An 18ct gold tanzanite and diamond pendant, by Catherine Best, with 18ct gold chain. Tanzanite weight 21.48cts. Estimated total diamond weight ...

A mid 20th century platinum brilliant-cut diamond floral spray brooch. Estimated total diamond weight 3.25cts, G-H colour, VS clarity. Foreign m...

A Georgian silver and gold, black enamel and foil back rock crystal mourning ring, the band reading 'James Hall Ob 2 Oct 1767 Ae 37'. Ring size ...

An emerald and brilliant-cut diamond cluster ring. Emerald weight 6.28cts. Total diamond weight 2.09cts. Stamped 750. Ring size L. 7.7gms....

A limited edition diamond and enamel heart locket, by Fabergé. Signed Fabergé 3/300, with Victor Mayer mark. Estimated total diamond weight 0.45...

An 18ct gold pear-shape diamond single-stone ring, with brilliant-cut diamond shaped band ring. Principal diamond estimated weight 0.55ct, H-I c...

A late 19th century 18ct gold old-cut diamond stylised cluster ring. Estimated total diamond weight 1.70cts, H-K colour, SI1-P1 clarity. With ...

An early 20th century Belle Epoque 14ct gold baroque pearl, seed pearl and diamond floral garland necklace. Stamped 14K. Length 41cms. 8.7gms. ...

An 18ct gold Burmese ruby and brilliant-cut diamond cluster ring. With report ORG-15000287-001, from the Gemmological Institute of India, statin...

A diamond and 'yellow' diamond butterfly brooch, with ruby eyes. Estimated total diamond weight 11cts, G-I and 'yellow' colour, VS-SI clarity. F...

A rectangular-shape diamond ring, with pavé-set diamond mount. Principal diamond estimated weight 1.55cts, I-J colour, P2 clarity. Estimated t...

An 18ct gold amethyst and diamond cuff bangle. Estimated total diamond weight 0.30ct. Hallmarks for London, 1985. Approximate inner diameter 6...

A brilliant-cut diamond star fringe necklace. Total diamond weight 0.42ct. Stamped 750. Length 40cms. 4.2gms. Condition Report: Minimal su...

A diamond bracelet. Estimated total diamond weight 7.50cts. Length 20cms. 41.3gms. Condition Report: Surface scratches and minor marks. Some l...

A late Victorian 15ct gold sapphire and split pearl pendant, with near period 15ct gold fancy-link chain. Sapphire calculated weight 2.58cts, ba...

A 9ct gold diamond and enamel Women's Royal Army Corps badge, by Garrard & Co. Ltd. Estimated total diamond weight 0.30ct. Hallmarks for Birming...

A mid Victorian 18ct gold bloodstone signet ring, engraved  with a posy between two horns issuing from a ducal coronet , likely for a line of the ...

A diamond panel highlight seed pearl multi-strand choker, by Adler. Estimated total diamond weight 2.75cts. Stamped Pt. Length 32.5cms. 55.2gm...

An early 20th century platinum vari-cut diamond bar brooch. Principal diamond estimated weight 1ct, I-J colour, SI2-P1 clarity. Estimated total...

A pink sapphire cross necklace. Marked 20K. Length 41.5cms. 13.7gms. Condition Report: Surface scratches and minor marks. Discolouration to o...

A diamond rondelle and cultured pearl station necklace. Estimated total diamond weight 1.60cts. Clasp stamped 750. Length 164cms. 23.7gms. Co...

An 18ct gold vari-shape diamond cross pendant, with chain. Total diamond weight 2.36cts. Pendant with hallmarks for Birmingham. Chain stamped ...

An aquamarine, brilliant-cut diamond, and sapphire cluster ring. Aquamarine weight 8.45cts. Total diamond weight 0.20ct. Total sapphire weig...

A rose-cut diamond marquise-shape cluster ring. Ring size M. 4.6gms. Condition Report: Scratches and marks. General discolourations/tarnish. R...

A ' yellow ' diamond and brilliant-cut diamond cluster pendant . Principal diamond estimated weight 2cts, 'yellow' colour, VS clarit...

An 18ct gold green garnet and rose-cut diamond 'Protector' snake bangle, by Asprey. Hallmarks for London, 2009. Inner diameter 5.7cms. 57.3gms....

A vari-shape diamond cluster ring. Total diamond weight 1.38cts. Stamped 18K 750T. Ring size M. 4.8gms. Condition Report: Minimal surface ...

An 18ct gold diamond and gem-set 'Rococo' pendant, on chain, by Fabergé. Total diamond weight 0.017ct. Hallmarks for London. Length of pendant...

An emerald ring, with triangular-shape diamond sides. Emerald calculated weight 3.27cts, based on estimated dimensions of 9.6 by 9.1 by 6mms. Es...

An old-cut diamond and spinel floral cluster ring. Estimated total diamond weight 2.30cts, H-J colour, SI clarity. Ring size I1/2. 4.4gms. Con...

A sapphire and single-cut diamond cluster ring. Sapphire calculated weight 2.82cts, based on estimated dimensions of 9.6 by 6.8 by 4mms. Estima...

A 19th century gold navaratna ring, set with emerald, rose-cut diamond, ruby, sapphire, coral and further gems. Emerald calculated weight 1.01ct...

An 18ct gold tanzanite ring, with brilliant-cut diamond sides. Tanzanite calculated weight 2.94cts, based on estimated dimensions of 10 by 7.9 b...

A cultured pearl eight-strand bracelet, with engraved mother-of-pearl and diamond clasp. Engraved signature to clasp. Estimated total diamond w...

A Victorian silver and gold emerald and old-cut diamond star brooch. Emerald calculated weight 1.05cts, based on estimated dimensions of 6.5 by ...

An aquamarine three-stone and brilliant-cut diamond stepped cluster ring. Central aquamarine calculated weight 1.05cts, based on estimated dimen...

An 18ct gold tanzanite and brilliant-cut diamond cluster ring. Tanzanite calculated weight 3.90cts, based on estimated dimensions of 12.2 by 9.2...

An 18ct gold diamond highlight stylised peapod pendant, with chain. Estimated total diamond weight 0.75ct. Pendant with hallmarks for London, 2...

A graduated cultured pearl three-row necklace, with 18ct gold diamond spacer and 18ct gold clasp. Cultured pearl estimated diameter 3.9 to 6.4mm...

A brilliant-cut diamond single-stone ring. With GIA report 15308728 insert only stating 2.01cts, J colour, VVS2 clarity. With report S1F48594, ...

An aquamarine and brilliant-cut diamond dress ring. Aquamarine calculated weight 5.65cts, based on estimated dimensions of 15.2 by 10.5 by 6.2mm...

An Art Deco silver and 18ct gold old-cut diamond and onyx dress ring. Estimated total diamond weight 0.80ct. Stamped 18ct. Ring size P. 6.7gms...

An Islamic script carved turquoise and filigree bracelet. Length 18cms. 46.8gms. Condition Report: Surface scratches and minor marks. General ...

A mid 20th century 18ct gold old-cut diamond single-stone ring, with single-cut diamond line sides. Principal diamond estimated weight 1.65cts, ...

A pair of early to mid 20th century platinum old-cut diamond clips. Estimated total diamond weight 16.75cts, G-J colour, VS2-P1 clarity. Length ...

An aquamarine and single-cut diamond ring. Aquamarine calculated weight 9.26cts, based on estimated dimensions of 15.9 by 12.6 by 8.5mms. Estim...