diamond

An early 20th century old-cut diamond crossover ring, with circular-cut diamond double highlight, principal two diamonds estimated total weight 3c...

A late Victorian gold and silver, old-cut diamond snake brooch, with ruby eyes, suspending a pearl drop, estimated total diamond weight 1.30ct, pe...

Andrew Grima, a 1960s 18ct gold diamond brooch, designed as a stylised bird nest, with brilliant-cut diamond highlights, signed Grima, estimated t...

Van Cleef & Arpels, a vintage 18ct gold coral and diamond Philippine ring, signed Van Cleef & Arpels, serial 101367, estimated total diamond wei...

An Art Deco graduated sapphire bead two-row necklace, with platinum circular-cut diamond clasp, approximate diameter of sapphire beads 14.2mm to 5...

A platinum brilliant-cut diamond line bracelet, estimated total diamond weight 2ct, predominantly H-I colour, SI clarity, stamped Pt850, length 17...

A late Victorian gold, old-cut diamond star pendant brooch, with similarly-cut diamond accent blue enamel surround, suspending an old-cut diamond ...

A late Victorian 18ct gold old-cut diamond single-stone band ring, diamond estimated weight 1.10ct, H-I colour, SI2-P1 clarity, hallmarks for Ches...

A late Georgian gold and silver, old-cut diamond cluster dress ring, estimated total diamond weight 0.30ct, ring size Q, 2.9g Overall good cond...

A mid Victorian silver and gold, old-cut diamond starburst pendant, may also be worn as a brooch, estimated total diamond weight 2.25ct, principal...

A late Victorian gold and silver, graduated old-cut diamond hinged bangle bracelet, with scrolling engraved sides, estimated total diamond weight ...

An 18ct gold square-shape coloured diamond and brilliant-cut diamond three-stone ring, coloured diamond estimated weight 1.40ct, estimated total d...

An early 20th century natural pearl necklace, with diamond and seed pearl clasp, with report from GCS, stating 112 natural saltwater pearls, appro...

A late Victorian 18ct gold old-cut diamond single-stone band ring, diamond estimated weight 2.30ct, I-J colour, SI2-P1 clarity, partial hallmarks ...

de Grisogono, an 18ct gold brilliant-cut diamond and emerald cocktail ring, estimated total diamond weight 5ct, G-H colour, VS clarity, stamped 75...

An 18ct gold emerald and diamond cluster ring, estimated total diamond weight 1ct, H-I colour, VS2-SI1 clarity, stamped 18ct, ring size P, 5.3g ...

A pair of early 20th century platinum old-cut diamond drop earrings, estimated total diamond weight 2.20ct, principal two diamonds estimated total...

Georg Jensen, an 18ct tri-colour gold diamond Fusion puzzle ring, estimated total diamond weight 0.15ct, G-H colour, VS clarity, maker's marks for...

An 18ct gold opal cabochon and brilliant-cut diamond cluster ring, opal estimated weight 2.50ct, estimated total diamond weight 0.80ct, I-K colour...

An Art Deco platinum Sri Lankan sapphire single-stone dress ring, with rectangular-shape diamond stepped sides, verbal report from GCS stating Sri...

An early 20th century old-cut diamond cluster ring, estimated total diamond weight 1.50ct, principal diamond estimated weight 0.75ct, H-I colour, ...

An early 20th century gold old-cut diamond two-stone crossover ring, estimated total diamond weight 0.50ct, H-I colour, VS2-SI1 clarity, partial m...

A silver brown diamond and diamond dress ring, brown diamond estimated weight 0.50ct, P1 clarity, estimated total diamond weight 0.60ct, ring size...

A late Georgian silver and gold, rose-cut diamond brooch, principal diamond measures approximately 7.4 by 6.7mm, length 2.2cm, 8.1g Overall fai...

A pair of 18ct gold diamond hoop earrings, estimated total diamond weight 0.30ct, H-J colour, SI clarity, stamped 18k, diameter 1.4cm, 3.3g Ove...

A Belle Epoque silver and gold, old and rose-cut diamond pendant, suspended from an 18ct gold bi-colour chain, estimated total diamond weight 1ct,...

A pair of 18ct gold oval coral cabochon three-stone articulated drop earrings, with brilliant-cut diamond spacers, corals measure approximately 10...

A pair of 18ct gold brilliant-cut diamond single-stone stud earrings, estimated total diamond weight 0.90ct, J-K colour, SI2-P1 clarity, stamped 7...

A platinum single-cut diamond foliate openwork band ring, estimated total diamond weight 0.30ct, ring size Q, 4.3g Overall good condition Width...

An 18ct gold brilliant-cut diamond and pink sapphire cocktail ring, estimated total diamond weight 2.25ct, I-J colour, VS2-SI clarity, ring size N...

A platinum sapphire and diamond target dress ring, total sapphire weight 1.41ct, engraved to band, estimated total diamond weight 0.80ct, I-J colo...

An early 20th century gold pearl and old-cut diamond cluster ring, pearl measures approximately 5.6mm, estimated total diamond weight 0.25ct, ring...

An early 20th century old-cut diamond single-stone ring, diamond estimated weight 2.10ct, J-K colour, VS clarity, ring size P, 2.5g Overall goo...

An Art Deco platinum old-cut diamond geometric bracelet, with expanding sides, estimated total diamond weight 7ct, H-I colour, SI1-P1 clarity, sta...

A mid 20th century 18ct gold old-cut diamond accent onyx signet ring, diamond estimated weight 0.10ct, hallmarks for Birmingham 1965, ring size I,...

A platinum ruby and single-cut diamond openwork dress ring, with calibre-cut ruby border and similarly-set shoulders, principal ruby estimated wei...

An 18ct gold peridot and diamond cluster ring, peridot estimated weight 1.80ct, estimated total diamond weight 0.50ct, I-J colour, VS2-SI2 clarity...

An Edwardian 18ct gold old-cut diamond kite-shape cluster ring, estimated total diamond weight 0.70ct, I-J colour, VS2-SI2 clarity, stamped 18ct, ...

A Belle Epoque 18ct gold and platinum circular-cut diamond single-stone ring, with single-cut diamond trefoil shoulders and engraved band, princip...

An 18ct gold diamond accent band ring, ring size R, 14.4g Overall good condition Width of band 0.8cm Diamonds are well matched, bright and live...

Cartier, a 1960s 18ct gold brilliant-cut diamond and pearl rose brooch, signed Cartier France, numbered L7789, import marks for London 1963, lengt...

A pair of 18ct gold square-shape diamond single-stone stud earrings, estimated total diamond weight 0.40ct, G-H colour, VS clarity, back fittings ...

A mid Victorian gold and silver, rose-cut diamond and pearl brooch, designed as sycamore seeds, length 3.5cm, 4g Overall condition good Pearls ...

A platinum heart-shape diamond single-stone ring, with slightly tapered band, diamond estimated weight 1.25ct, H-I colour, SI clarity, hallmarks f...

An 18ct gold blue paste and diamond tapered band ring, estimated total diamond weight 0.80ct, partial marks to outside of band, ring size N, 13.8g...

A platinum sapphire and single-cut diamond cluster dress ring, with calibre-cut sapphire surround, total sapphire weight 4.33ct, total diamond wei...

A late Victorian gold pearl and old-cut diamond cluster ring, pearl measures approximately 5.8mm, estimated total diamond weight 1ct, H-I colour, ...

A mid 20th century 18ct gold old-cut diamond accent onyx signet ring, diamond estimated weight 0.10ct, ring size M, 6.8g Overall good condition...

A platinum brilliant-cut diamond half eternity ring, estimated total diamond weight 0.20ct, hallmarks for Edinburgh, ring size L, 3.5g Overall ...

A mid 20th century 18ct gold and platinum, graduated old-cut diamond five-stone ring, estimated total diamond weight 1ct, I-K colour, SI clarity, ...

An Edwardian 18ct gold old-cut diamond single-stone band ring, diamond estimated weight 0.25ct, I-J colour, VS clarity, hallmarks for Birmingham 1...

A platinum circular-cut diamond and calibre-cut ruby cluster dress ring, with single-cut diamond surround and shoulders, total ruby weight 0.65ct,...

An 18ct gold pink sapphire, emerald and diamond crossover dress ring, pink sapphire estimated weight 1ct, emerald estimated weight 0.90ct, estimat...

A mid 20th century platinum old-cut diamond single-stone ring, diamond estimated weight 0.60ct, G-H colour, VS2-SI1 clarity, stamped PLAT, ring si...

A platinum peridot and diamond cluster ring, peridot estimated weight 1.50ct, estimated total diamond weight 0.55ct, I-K colour, VS2-SI2 clarity, ...

A pair of late Victorian onyx drop earrings, with onyx cabochon and rose-cut diamond cluster surmount, length 4.5cm, 8.7g Overall good conditio...

A pair of 9ct gold brilliant-cut diamond stud earrings, estimated total diamond weight 0.20ct, H-I colour, VS clarity, hallmarks for London, 0.4g ...

A mid 20th century 18ct gold diamond floral spray brooch, estimated total diamond weight 5ct, H-J colour, predominantly VS2-SI1 clarity, stamped 1...

A late Victorian gold and silver, ruby, sapphire and old-cut diamond shamrock brooch, with rose-cut diamond crescent surround and diamond star ter...

An 18ct gold emerald and brilliant-cut diamond necklace, estimated total diamond weight 1.10ct, H-I colour, VS clarity, import marks for Sheffield...