A FRENCH MICRO MOSAIC RING in 18ct yellow gold, the round face set with pieces of coloured glass to

A FRENCH MICRO MOSAIC RING in 18ct yellow gold, the round face set with pieces of coloured glass to depict a bird amongst foliage, the shoulders accented by oval cut sapphires, French assay marks, siz

A FRENCH DIAMOND AND ENAMEL BOMBE RING in 18ct yellow gold, the domed face set with round brilliant cut diamonds with black enamel details, the diamonds totalling 0.9-1.1 carats, French assay marks, s

CHOPARD, A HAPPY DIAMONDS BOMBE RING in 18ct yellow gold, the domed face set with a central heart shaped glass compartment containing a free moving round brilliant cut diamond, the band set with stagg

A FRENCH RETRO DIAMOND RING in 18ct yellow gold, the geometric face set with two old cut diamonds, accented by rows of rose cut diamonds, French assay mark, size L / 5.5, 7.9g.

AN ANTIQUE GEORGIAN ENAMEL, HAIRWORK AND PEARL MOURNING RING, 1830 in 18ct yellow gold, the face set with a rounded rectangular glass covered locket panel with inset hairwork decoration, within a bord

A FRENCH YELLOW DIAMOND RING in 18ct yellow gold, the stylised ring set with a round brilliant cut yellow diamond, French maker's mark, French assay marks, size K1/2 / 5.5, 5.1g.

CHAUMET, A DIAMOND RING in 18ct yellow gold, the bombe face set with clusters of round brilliant cut diamonds, signed Chaumet Paris and numbered, stamped 750, size K1/2 / 5.5, 9.8g.

LUCIENNE LAZON, A VINTAGE AMETHYST COCKTAIL RING in 18ct yellow gold, set with a round cut amethyst of approximately 23.69 carats, Lucienne Lazon maker's mark, French assay marks, size M / 6.25, 15.5g

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette face set with an oval cut sapphire of 2.20 carats in a border of round cut diamonds, the diamonds all totalling 0.5-0.7 carats, British hal

A MOONSTONE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, the navette shaped face set with a cabochon moonstone in a border of round brilliant cut diamonds, the diamonds all totalling 0.6-0

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, the circular face set with pattern of step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, s

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, the circular face set with step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, size N / 7,

A VINTAGE EMERALD AND DIAMOND RING in 18ct yellow gold, the elliptical face set with a row of alternating round cut emeralds and round brilliant cut diamonds, British hallmarks for London, 1972, size

VAN CLEEF & ARPELS, A VINTAGE DIAMOND RING, 1970S in 18ct yellow gold, the tapering band pave set round brilliant cut diamonds within a gold border, signed VCA and numbered, French assay marks for 18c

NO RESERVE - AN ANTIQUE EDWARDIAN RUBY, DIAMOND AND SAPPHIRE RING, 1903 in 18ct yellow gold, the face set with three rows of round cut rubies, round cut blue sapphires and rose cut diamonds, maker's m

AN ANTIQUE MICROMOSAIC DRESS RING, 19TH CENTURY in high carat yellow gold, the flattened oval body set with a micro mosaic formed of polished hard stone pieces, depicting a swan, the reverse with rais

A CITRINE AND DIAMOND DRESS RING in 18ct yellow gold and silver, set with an oval cut citrine within a border of foliate scroll designs set with four round cut diamonds, French assay marks, size N / 6

A PAIR OF MICRO MOSAIC AND DIAMOND CUFFLINKS in yellow gold, the hexagonal faces set with micro mosaic pattern within a cluster of round cut brown diamonds, with further micro mosaic details to the en

A VINTAGE MALACHITE AND DIAMOND RING, 1970S in 18ct yellow gold, set with a piece of polished malachite within a textured border, accented by round cut diamonds, British hallmarks for 18ct gold, size

CHAUMET, A PERIDOT AND DIAMOND RING in 18ct yellow gold, set with a cabochon peridot, accented by round brilliant cut diamonds, signed Chaumet Paris and numbered, French assay mark for 18ct gold, size

VINTAGE RUBY AND DIAMOND CROSS RING in 18ct yellow gold, the band set with step cut rubies in cross design within a square border of round cut diamonds, French marks, size Q / 8, 13.9g.

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an emerald cut emerald of 3.02 carats in a border of round cut diamonds, French assay marks, size R / 8.75, 8.5g.

A DIAMOND DRESS RING, MAUBOUSSIN in 18ct yellow gold, set with a principal old cut diamond of 2.44 carats flanked above and below by marquise and round cut diamonds, signed Mauboussin Paris, French as

AN ANTIQUE TURQUOISE MOURNING LOCKET PENDANT in 18ct yellow gold, the oval face hinged body with glass locket panel to the inside, jewelled allover to the front with round turquoise cabochons, French