A DIAMOND CLUSTER RING in 18ct yellow gold, set with an antique cushion cut diamond of 1.51 carats

A DIAMOND CLUSTER RING in 18ct yellow gold, set with an antique cushion cut diamond of 1.51 carats in a cluster of old cut diamonds totalling 1.4-1.6 carats, the diamonds all totalling 2.9-3.1 carats,

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut emerald of 3.65 carats in a cluster of old cut diamonds totalling 1.8-2.0 carats, stamped 18ct, size O / 7, 7.4g.

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut aquamarine of 2.00 carats, in a cluster of round brilliant cut diamonds, British hallmarks, size M / 6, 5.7g.

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut ruby of 1.11 carats in a border of round and baguette cut diamonds totalling 0.54 carats, stamped 18K, size M / 6, 5.1g.

AN ANTIQUE PINK SPINEL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut spinel of approximately 0.91 carats in a cluster of old cut diamonds, partial British hallmarks for London 192

AN ANTIQUE DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of old cut diamonds totalling 0.73 carats, stamped 18, size J / 4, 2.7g.

AN ANTIQUE DIAMOND CLUSTER DRESS RING in 18ct yellow gold and silver, set with a central old cut diamond of 0.42 carats within concentric borders of old cut diamonds, the diamonds all totalling 2.1-2.

AN ANTIQUE FIRE OPAL AND DIAMOND RING in 18ct yellow gold and silver, set with a cushion cut fire opal of 1.72 carats, within a border of single cut diamonds, stamped 18, size M / 6.25, 3.2g.

AN ANTIQUE SAPPHIRE AND DIAMOND RING, 19TH CENTURY in 18ct yellow gold, set with a cushion cut sapphire of 0.95 carats, within a border of old cut diamonds, signed RS, stamped 18ct, size M / 6.25, 3.8

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette shaped face set with a cushion cut blue sapphire of 1.18 carats, within a surround of old European brilliant cut di

AN ANTIQUE VICTORIAN DIAMOND AND RUBY DRESS RING, 1897 in 18ct yellow gold, set with a trio of graduated old cut diamonds, the largest of 0.38 carats, punctuated by two cushion cut rubies, and accente

A FINE ANTIQUE PINK TOURMALINE AND DIAMOND RING, 19TH CENTURY in yellow gold and silver, set with a cushion cut pink tourmaline of 10.50 carats within a cluster of old cut diamonds all totalling 2.5-2

A DIAMOND CLUSTER DRESS RING in 18ct yellow gold, set with a central old cut diamond of 0.91 carats, within a border of further old cut diamonds, all totalling 2.5-2.7 carats, marked indistinctly, siz

A FINE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a principal old European cut diamond of 0.72 carats within a border of single cut diamonds, stamped 18ct Plat, size N1/2 / 7, 2.7

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.

1.00 CARAT EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut emerald of approximately 1.00 carats in a cluster of round cut diamonds totalling approximately 0.60 carats, stamp

A BURMA NO HEAT PINK SPINEL AND DIAMOND RING in 18ct yellow gold, set with a cushion cut pink spinel of approximately 2.25 carats accented by rose cut diamonds, full British hallmarks, size L1/2 / 6,

A RUBY AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut ruby of approximately 0.54 carats in a cluster of old cut diamonds totalling 0.8-0.9 carats, no assay marks, size M / 6, 4.2g.

A DIAMOND CLUSTER RING in 18ct yellow gold, the geometric face set with a cluster of old cut diamonds all totalling 1.0-1.2 carats, stamped 750, size M / 6.25, 5.3g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut sapphire of 4.79 carats in a cluster of round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 6.7g. A

A CHROME TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with a cushion cut chrome green tourmaline of 12.76 carats in a stylised border of round brilliant cut diamonds, partial British hallmarks

AN ORANGE SAPPHIRE AND DIAMOND RING in 18ct white and yellow gold, set with a cushion cut orange sapphire of approximately 5.4 carats between two trilliant cut diamonds totalling 0.8-0.9 carats, maker

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut aquamarine of 4.68 carats in a border of old cut diamonds, the diamonds all totalling 1.7-1.9 carats, stamped 18ct, siz