gemstone

VAN CLEEF & ARPELS, A CORAL AND DIAMOND BOW RING in 18ct yellow gold, designed as a bow set with two cabochon coral, accented by round brilliant c...

TIFFANY & CO., A DIAMOND CIRCLE BROOCH designed as an open circle set with old cut diamonds, the diamonds all totalling 4.0-4.5 carats, stamped Ti...

CARTIER, A SMALL MODEL LOVE BANGLE punctuated by screw motifs, signed Cartier and numbered, maker's mark, stamped Au750, width 3.7mm, inner circum...

AN ANTIQUE RUSSIAN DIAMOND ACORN LOCKET / PENDANT in yellow gold and silver, the pendant designed as an acorn with a cap set with rose cut diamond...

VAN CLEEF & ARPELS, A VINTAGE CORAL AND DIAMOND BROOCH in 18ct yellow gold, the tapering bar set with a cabochon coral accented on each side by an...

CARTIER, A VINTAGE CHRYSOPRASE, ONYX, RUBY AND DIAMOND DRESS RING in 18ct yellow gold, set with a carved chrysoprase accented by polished onyx, st...

ANTIQUE DIAMOND DONKEY & CART DIAMOND AND PEARL BROOCH set with old cut diamonds, pearls and coral, mounted in silver and gold, accompanied by re...

THREE PAIRS OF JADEITE EARRINGS - each pair claw set with a jadeite cabochon - two pairs accented with brilliant-cut diamonds - mounted in white ...

PAIR OF DIAMOND AND SIMULATED PEARL PENDENT EARCLIPS - Set with round brilliant-cut diamonds - Estimated total diamond weight 1.40 carats - Simula...

RUBY AND DIAMOND RING - 18 carat white gold - ruby estimated weight 0.95 carats - set with old and brilliant-cut diamonds - estimated total diamo...

SINGLE STONE EMERALD RING - small pear shaped set with a pear-shaped emerald weighing approximately 1.50 carats, stamped 18k 750, maker's mark A...

AQUAMARINE AND DIAMOND RING - Cushion shaped aquamarine with checkerboard cut table - Estimated weight 4.10 carats - Round brilliant-cut diamonds...

JADEITE AND DIAMOND RING Marquise shaped navette shaped plarque measuring approximately 18.0 x 6.90 mm, between round brilliant-cut diamonds, est...

COLLECTION OF GEM-SET JEWELLERY 1. 14ct gold and cultured pearl pendant, pearls approx. 5.0mm, Finnish hallmarks, Turku, 585, circa 1971, maker's ...

PAIR OF GOLD, EMERALD, CULTURED PEARL EARRINGS AND NECKLACE 1. Cultured pearl and emerald earrings mounted in 14ct gold, gross weight 2.0gm, leng...

18ct white gold drop pendant set with green stone and diamond, stamped 750, 2.1g and a 9ct yellow gold bar brooch set with red glass, 3.2g

18ct yellow bangle set with nine opals between brilliant cut diamonds on scroll mount, stamped 750, with box closure, 22.4g

Victorian yellow metal and blue enamel mourning bangle set with pearls, the centre opening to reveal clear frame, with box clasp closure, missing ...

A 19th century garnet and seed pearl ring, ring size M, in a vintage jewellery box

An 18ct white gold and diamond cluster ring, set with two baguette cut and seven brilliant cut diamonds, the central stone 0.5ct approx.

An Art Deco style 18ct white gold, sapphire and diamond panel ring, ring size M

A 9ct gold, opal and green stone brooch

An 18ct gold and five stone opal ring, ring size L

A diamond solitaire ring, diamond 1.1ct approx.

An 18ct gold diamond cluster ring, ring size P

An 18ct gold, emerald and diamond ring, ring size O

An 18ct gold, sapphire and diamond ring, ring size K

An 18ct gold, sapphire and diamond ring, ring size K

An 18ct gold, pearl and diamond pendant, on a chain

A diamond stick pin

An 18ct gold three stone diamond gypsy set ring, ring size P

An 18ct white gold, sapphire and diamond ring, ring size S

An 18ct gold, diamond and crystalised rock brooch, by Gllian E Packard, in original box

An 18ct gold and two stone diamond crossover ring, ring size N

9ct gold signet ring set sing half engraved design and single diamond, and a 9ct gold cross pendant with engraved foliage detail, both stamped 375...

18ct gold diamond ring set with four diamonds in square setting, stamped 750, size J, 3.4g

A 19th century 18ct gold, seed pearl and purple stone brooch, of lozenge form

Platinum diamond solitaire ring, brilliant cut diamond approx. weight 1.01ct, stamped 950, size K, 4.5g

Victorian 9ct gold brooch set with red stone, Birmingham, 1898, stamped 375, 2.4g, two Victorian silver brooches with rose gold accents, silver Ar...

Two pairs of 9ct yellow gold ruby and diamond stud earrings, stamped 375, 2.8g

Oval cut unmounted sapphire, approx. weight 1.0 carat, an unmounted ruby, approx. weight 0.65 carat, and two unmounted blue stones, neither testin...

Cameo brooch set in 9ct yellow gold mount, an orange and blue bead necklace and other costume jewellery (Victor Brox collection)

9ct yellow gold band ring with star set diamond, size R, and another 9ct gold band ring, size P, both stamped 375, 9.3g

Opal 15ct gold pendant, the oval opal panel displaying blue and green play of colour, rubover set, dimensions approx. 18.5 x 11.5mm, weight approx...

Three early 20th century stone set pendants; one set red stones and seed pearls and hallmarked 9ct gold Birmingham 1904, the other two pendants ea...

Three brooches comprising a Georgian mourning brooch, the oval hair work panel within a border of seed pearls in the form of a snake, 25mm long ap...

Late 19 th / early 20 th century turquoise and seed pearl 9ct yellow gold pendant, openwork scroll design, length approx 3.5cm (excluding bale);...

Opal and diamond cluster ring, the shank stamped '18ct PL', the oval cabochon measuring approximately 8mm x 10mm, within a border of fourteen sing...

Three dress rings comprising a 9ct gold diamond set ring, size S approx, a diamond cluster ring, unmarked, size K approx, and a red three stone an...

18ct white gold five-stone diamond ring, London 1978, size L approx, 2.7g gross approx

Pair of 9ct gold ear studs set amethyst-coloured oval faceted stones within a rope edged border, and a similar amethyst-coloured stone pendant, 4....

Sapphire and diamond 18ct gold boat head ring, three graduated round mixed cut sapphires, two small round old cut diamonds, claw coronet set, ring...

Platinum soliatire diamond ring, the round brilliant cut measures approximately 4.9mm diameter x 2.9mm deep (0.40ct approx), size O½ approx, 2.7g ...

Emerald and diamond 18ct gold cluster ring, the marquise cut emerald within a border of brilliant cut diamonds, size O½ approx, 3.8g gross approx

Victorian garnet and pearl boat head 18ct gold ring, sponsor's mark 'M&G', Birmingham 1873, size N approx, 2.1g gross approx

Sapphire and diamond '18ct & Plat' cluster ring, the oval sapphire within a border of ten diamonds, size N approx, 2.4g gross approx

Solitaire diamond ring, the round brilliant cut rubover set in white metal, the yellow metal shank stamped '750', size M½ approx, 4.5g gross approx

Platinum solitaire diamond ring, the fancy emerald cut measures approximately 4.3mm x 3.1mm, size L approx, 4.1g gross approx

Diamond set 18ct white gold heart-shaped pendant, on a fine chain, 2.1g gross approx

CERTIFICATED NATURAL SALTWATER PEARL AND DIAMOND BROOCH, Set to the center with a natural saltwater pearl of approx. 6.9 x 6.9 mm. (certificated)....