A FRENCH DIAMOND DRESS RING in 18ct yellow gold, set with a cluster of brilliant cut diamonds

A RUBY AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold, set with a round cut ruby within a border of round brilliant cut diamonds, full British hallmarks, size L1/2 / 6, 2.7g.

A DIAMOND DRESS RING in 18ct yellow gold, set with five principal round brilliant cut diamonds, accented by two rows of round cut diamonds, stamped 750, size K / 5.25, 4.7g. 

A DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds all totalling 3.4-3.6 carats, full British hallmarks for 18ct gold, size N / 7, 6.0g.

A DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds all totalling 1.8-2.0 carats, British import marks, size N / 6.5, 4.1g.

NO RESERVE - A DIAMOND CLUSTER RING in 18ct yellow gold, set with three clusters of round brilliant cut diamonds, full British hallmarks, size P / 7.75, 5.1g.

A DIAMOND RING in platinum and 18ct yellow gold, set with a cluster of round brilliant cut diamonds set on a texturised gold band, stamped PLAT, full British hallmarks for 18ct gold, size J / 4, 6.3g.

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.

AN ANTIQUE DIAMOND DRESS RING in 18ct yellow gold, set with a trio of clusters of old cut diamonds, marked indistinctly, size K / 5.5, 2.9g.

A PEARL AND DIAMOND DRESS RING in 18ct yellow gold, set with a pearl of 8.3mm, the shoulders set with  baguette and round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 3.7g. 

AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly o

A VINTAGE GREEN TOURMALINE AND DIAMOND DRESS RING in 18ct yellow gold, set with a step cut green tourmaline of 2.11 carats, between round brilliant cut diamonds, stamped 18K, size O / 7.25, 3.8g.

NO RESERVE - AN ART DECO DIAMOND AND RUBY DRESS RING in 18ct yellow gold, the hexagonal face set with old European brilliant cut diamonds, within a border of step cut rubies, stamped 18, size Q / 8, 2

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

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.

AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with a pear shaped emerald in a cluster of round brilliant cut diamonds, British hallmarks, size K / 5, 4.1g.

A GARNET AND DIAMOND RING in 18ct yellow gold, set with a pear shaped garnet of 2.30 carats in a cluster of round brilliant cut diamonds, stamped Au750, size O / 7, 4.2g.

BUCCELLATLI, A VINTAGE DIAMOND BOMBE DRESS RING in 18ct yellow gold and white gold, the tapering band of openwork design, set with round brilliant cut diamonds within star shaped pierced motifs, signe

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.70 carats in a border of round brilliant, old and single cut diamonds, the stepped shou

AN OPAL AND DIAMOND DRESS RING in 18ct yellow and white gold, set with an oval cabochon opal accented by round brilliant and princess cut diamonds, the diamonds all totalling 1.2-1.4 carats, British h

A VINTAGE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a floral cluster of old European and round brilliant cut diamonds, stamped 18ct & PLAT, size K1/2 / 5.5, 1.9g. 

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

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds all totalling 0.9-1.0 carat, French assay marks for 18ct gold, size L / 6, 4.0g.

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

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