A DEMANTOID GARNET AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a oval cut demantoid

A DEMANTOID GARNET AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a oval cut demantoid garnet within a cluster of round brilliant cut diamonds, British hallmarks for 18ct gold, size L / 5.5, 2

DEMANTOID GARNET AND DIAMOND CLUSTER RING in high carat yellow gold, set with an oval cut demantoid garnet of approximately 0.70 carats in a cluster of old cut diamonds, unmarked, size L / 6, 2g.

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

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks, size N / 6.75, 3.8g. 

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 1.53 carats in a cluster of old cut diamonds, each shoulder set with a further old cut diamond, the diamonds a

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby of approximately 1.03 carats in a cluster of old cut diamonds, stamped 18ct, size L1/2 / 6, 2.9g.

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

A VINTAGE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks for London 1975, size Q / 8.25, 5.2g.

AN AMETHYST AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut amethyst in a cluster of single cut diamonds, British hallmarks, size G / 3, 8.1g.

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 1.67 carats in a cluster of round brilliant cut diamonds, British hallmarks, size O / 7, 4.6g.

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

NO RESERVE - A BLUE ZIRCON AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut blue zircon in a cluster of single cut diamonds, stamped 18CT, size L1/2 / 6, 3.8g. 

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a central oval cut ruby of 1.19 carats within a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.6g.

NO RESERVE - A VINTAGE GARNET AND DIAMOND RING in 18ct yellow gold, set with three oval cut garnets punctuated by pairs of single cut diamonds, full British hallmarks for London 1971, size N / 6.75, 4

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.42 carats within a border of round cut diamonds, stamped 18ct & Plat, size M / 6, 2.5g. Accom

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut sapphire, in a halo of old mine cut diamonds, to stylised shoulders, stamped with maker's mark and 18CT & PLA

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut blue sapphire of 1.36 carats within a border of round cut diamonds, with further diamonds set to the shoulder

A FINE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and white gold, set with an oval cut ruby of 7.05 carats in a cluster of old cut diamonds, the diamonds all totalling 1.3-1.4 carats, stamped 1

A VINTAGE PERIDOT AND DIAMOND CLUSTER RING in 18ct yellow gold, set to the centre with an oval cut peridot to a surround of single cut diamonds, full British hallmarks for Birmingham 1968, size J / 4.

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut sapphire within a halo of round cut diamonds, stamped 18ct Plat, size N / 6.5, 2

A GARNET AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cut garnets, accented by pairs of single cut diamonds, stamped 18ct, size L / 5.75, 4.6g.

A Demantoid Garnet and Diamond Ring. Platinum topped 18 karat yellow gold mounting contains one bezel set oval demantoid garnet which is approximately 2.08 carats. Garnet contains a horse tail inclusi

A RUSSIAN RUBY AND DEMANTOID GARNET RING in 14ct yellow gold, set with round and oval cut rubies and round cut demantoid garnets in a scrolling design, Russian assay marks, size N / 6.75, 2.1g.