A zircon and diamond three-stone ring.

THREE GEM-SET AND DIAMOND RINGS 1st: The five-stone ring set with step-cut emeralds and old brilliant-cut diamonds 2nd: The step-cut blue zircon within a single-cut diamond surround, 3rd: Set with bri

DIAMOND THREE-STONE RING The old cushion-shaped diamond, weighing 2.55 carats, between old brilliant-cut diamonds, weighing 2.21 and 2.14 carats, the shoulders of scroll design, ring size O

PINK SAPPHIRE AND DIAMOND THREE STONE RING The cushion-shaped sapphire, weighing 5.12 carats, between trilliant-cut diamond shoulders, ring size M Footnotes: Accompanied by a report from The Gem & Pea

DIAMOND THREE-STONE RING The three old brilliant-cut diamonds, graduating in size towards the centre and weighing 2.70, 2.05 and 1.81 carats, the gallery of scroll design, ring size M½

A Burmese sapphire and diamond three-stone ring. The oval-shape Burmese sapphire, weighing 3.52cts, with circular-cut diamond sides, to the brilliant-cut diamond shoulders. Accompanied by report numbe

A PLATINUM DIAMOND THREE STONE RING graduated round brilliant-cut diamonds in claw settings. Estimated total diamond weight 3.40ct, hallmarked Sheffield (indistinct), ring size O, 6.8 grams Good co

A sapphire and diamond three-stone ring claw-set with an oval-cut sapphire and two round brilliant-cut diamonds, the plain band stamped PLAT; with accompanying report by Gemmological Certification Ser

EMERALD AND DIAMOND THREE-STONE RING The octagonal-cut emerald between baguette-cut diamonds, diamonds approx. 0.45ct total, ring size approx R (hoop off round) Footnotes: Accompanied by a report fr

DIAMOND THREE-STONE RING The central old brilliant-cut diamond weighing 2.22 carats, between two similarly-cut diamonds weighing 1.20 carats and 0.97 carat, ring size approx. L

DIAMOND THREE-STONE RING Set with three old brilliant-cut diamonds, the central diamond weighing 1.87 carats, between single-cut diamond shoulders, remaining diamonds approx. 1.20cts total, ring size

DE BEERS: DIAMOND THREE-STONE RING Set with three brilliant-cut diamonds, weighing 1.22, 0.51 and 0.51 carats, signed De Beers, numbered C35459, partial UK hallmark, ring size approx. L, maker's case

DIAMOND THREE-STONE RING Set with brilliant-cut diamonds, diamonds approx. 3.70cts total, ring size approx. P

DIAMOND THREE-STONE RING Set with three brilliant-cut diamonds, diamonds approx. 3.15cts total, ring size approx. S1⁄2

A DIAMOND THREE-STONE RING Composed of three brilliant-cut diamonds within claw-setting, weighing approximately 3.00cts total, mounted in 18K gold, ring size N½

A SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold, set with a cushion cut blue sapphire of 3.02 carats, between two old cut diamonds, accented by rose cut diamonds, the diamonds all totalling 1.7

3.25 CARAT DIAMOND THREE STONE RING in platinum or white gold, set with a trio of old round cut diamonds of 1.45, 0.95 and 0.85 carats, unmarked, size M / 6.25, 4.3g.

EMERALD AND DIAMOND THREE-STONE RING The octagonal cut emerald, between cushion-shaped diamonds, the hoop with engraved scrolling decoration, diamonds approx. 1.00ct total, ring size approx. N Footnot

DIAMOND THREE-STONE RING Set with three cushion-shaped diamonds with similarly-cut diamond accents, within pinched collet settings, diamonds approx. 2.40cts total, ring size approx. S

DIAMOND THREE-STONE RING Of cluster design, set with three cushion-shaped diamonds, within a single-cut diamond surround, principal diamond approx. 1.40cts, remaining diamonds approx. 1.70cts total,

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut sapphire of 2.52 carats between two cushion cut diamonds both totalling 2.0-2.1 carats, stamped 18ct, size O / 7, 4.6g.

AN 18 CARAT WHITE GOLD SAPPHIRE AND DIAMOND THREE STONE RING a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, ring size M, 4.9 grams Good condition. T

DIAMOND THREE-STONE RING Set with brilliant-cut diamonds, diamonds approx. 2.90cts total, ring size approx. J (band misshapen)

DIAMOND THREE-STONE RING, 1994 Set with brilliant-cut diamonds, the central diamond weighing 1.14cts, mounted in 18 carat white gold, remaining diamonds approx. 1.50cts total, UK hallmark, ring size a

DIAMOND THREE STONE RING Set with three brilliant-cut diamonds, diamonds approx. 2.05cts total, ring size approx. L For further information on this lot please visit Bonhams.com