A diamond ring, stamped '18ct Plat', the central o

NO RESERVE - A THREE-STONE DIAMOND RING Twisted design Single-cut diamonds Stamped 18ct Plat Size O / 7.25 2.3 grams

AN EMERALD AND DIAMOND CLUSTER RING set with a round cut emerald of 0.80 carats in a cluster of round brilliant cut diamonds, stamped 18ct and PLAT, size O / 7, 3.0g.

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a round cut ruby of 1.14 carats, in a cluster of round cut diamonds, stamped PLAT 18CT, size O / 7.25, 4.1g. With a

Three diamond rings to include a five-stone diamond ring, stamped 18ct PLAT; another smaller example; a three-stone diamond ring, stamped 18ct PLAT (Ring sizes: S, P & T) Qty: (3)

Art Deco style diamond cluster ring, mounted in yellow metal stamped 18ct, central round brilliant cut diamond surrounded by twelve further diamonds and one diamond set to each shoulder, finger size O

An amethyst and diamond cluster ring, the yellow metal shank stamped '18ct Plat', ring size P. Sale Section/Category: Rings Artist Resale Rights: FALSE

A diamond three-stone ring claw-set with three graduated old round-cut diamonds, stamped 18CT PLAT(Ring size: M)

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 SOLITAIRE DIAMOND RING in 18ct yellow gold and platinum, set with a transitional cut diamond of 0.62 carats, with further diamonds to the shoulders, stamped 18ct Plat, size N / 6.5, 2.3g.

SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond, between geometric shoulders, stamped 18ct Plat, size K / 5.25, 2.2g.

NO RESERVE - A VINTAGE RUBY AND DIAMOND RING in 18ct yellow gold and platinum, set with a round cut ruby in a cluster of old cut diamonds, stamped 18CT & PLAT, size Q / 8.25, 2.3g. 

A SAPPHIRE AND DIAMOND CLUSTER RING Circular-cut sapphire Rose-cut diamonds Stamped 18CT & PLAT Size N / 6.5 3.8 grams

An amethyst and seed pearl pendant with hallmarks for 9ct gold, measuring 50mm in length, a diamond ring, the old cut diamond with an estimated weight of 0.05ct, stamped '18ct plat', ring size K, and

AN UNHEATED YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut yellow sapphire of 9.43 carats accented by old cut diamonds, stamped PLAT, size O / 7, 5.9g. Accompanied by a gemmologi

AN AQUAMARINE AND DIAMOND RING in platinum, set with a rectangular step cut aquamarine of 18.35 carats, the shoulders set with trios of baguette cut diamonds, stamped PLAT, size O / 7, 11.2g.

A SAPPHIRE AND DIAMOND THREE-STONE RING, Millegrained collet settings, yellow gold shank, Oval sapphire, 2.25 carats, Circular-cut diamonds, approximate total 0.65 carats, Stamped 18CT PLAT, Size O /

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 YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximately 4.00 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size O / 7, 4.4

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

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald accented by old European cut and single cut diamonds and step cut emeralds, stamped PLAT, size O / 7, 6.6g.

A YELLOW SAPPHIRE AND DIAMOND RING set with an emerald cut yellow sapphire of 3.00 carats, accented by round brilliant cut diamonds totalling 0.60 carats, stamped PLAT, size O / 7, 5.7g.

A FINE ANTIQUE SEVEN STONE DIAMOND RING in 18ct yellow gold, set with a row of seven graduating old cut diamonds all totalling 0.9-1.1 carat, stamped 18CT, size O / 7.25, 3.4g. 

AN AQUAMARINE AND DIAMOND RING set with an oval cut aquamarine of 1.60 carats between two round brilliant cut diamonds, the diamonds both totalling 0.3-0.4 carats, stamped PLAT, size O / 7, 4.0g.