A Georgian pink sapphire and table-cut diamond three-stone ring.Ring size R. 2.8gms.

A sapphire and diamond three-stone ring. The cushion-shape pink sapphire, with old-cut diamond sides. Estimated total diamond weight 0.25ct. Ring size Q. Weight 5.1gms. Overall condition good with lig

NO RESERVE - A PINK SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold and platinum, set with an oval cut pink sapphire of 1.01 carats, between two round brilliant cut diamonds, stamped PLAT, size P

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

An 18ct gold sapphire and diamond three-stone ring. The rectangular-shape pink sapphire, with brilliant-cut diamond sides, to the plain band. Estimated total diamond weight 0.25ct. Hallmarks for Londo

SAPPHIRE AND DIAMOND THREE-STONE RING The oval-cut sapphire between two cushion-shaped diamonds, diamonds approx. 0.60ct total, ring size approx. N

NO RESERVE - AN ANTIQUE THREE-STONE RUBY AND DIAMOND RING, 1919 Cushion-shaped rubies Rose-cut diamonds British hallmark for Birmingham, 18 carat gold, date letter u for 1919 Size R / 8.75 3.3 grams

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

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.

A sapphire and diamond three-stone ring. The rectangular-shape yellow sapphire, with brilliant-cut diamond sides. Estimated total diamond weight 0.35ct, tinted colour, SI2-P2 clarity. Ring size N1/2.

A sapphire and diamond three-stone ring. The cushion-shape orange sapphire, with brilliant-cut diamond sides. Estimated diamond weight 0.30ct, L-tinted colour, SI2-P1 clarity. Ring size M1/2. Weight 3

A platinum sapphire and diamond three-stone ring. The rectangular-shape sapphire, with baguette-cut diamond sides. Total diamond weight 0.18ct, stamped to band. Hallmarks for Sheffield. Ring size N. W

A sapphire and diamond three-stone ring. The oval-shape sapphire and brilliant-cut diamonds, inset to the tapered band. Estimated total diamond weight 0.20ct. Ring size I1/2. Weight 7.6gms.

A SAPPHIRE AND DIAMOND THREE-STONE RING The polished band, gypsy-set with a cushion-shaped sapphire, between old brilliant-cut diamonds, diamonds approx. 0.40 carat total, ring size G 1/2.  Gross w

A platinum graduated sapphire three-stone ring, with brilliant-cut diamond shared surround.Sapphire total weight 0.64ct.Total diamond weight 0.13ct.Hallmarks for London, 2011. Ring size M. 5.9gms.

A sapphire and diamond three-stone ring claw-set with an oval-shaped sapphire and two round brilliant-cut diamonds, to a plain band, unmarked(Ring size: N)

SAPPHIRE AND DIAMOND THREE-STONE RING The octagonal-cut sapphire between cushion-shaped diamonds, ring size approx. K For further information on this lot please visit Bonhams.com

An early 20th century diamond single-stone ring The old brilliant-cut diamond, weighing 4.03 carats, between tapered single-cut diamond three-stone shoulders, French assay marks(Ring size: N)

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

Approx. 2.50 Carat TW Three Emerald Cut Diamond and Platinum Three Stone Engagement Ring. Diamonds H color, VS2 clarity. Stamped Plat. Ring size 5-1/2. Approx. weight: 4.0 dwt. Condition: Very good co

Antique Edwardian Circa 1910 Approx. 2.80 Carat TW Oval Cut Sapphire and 14 Karat Yellow and White Gold Three Stone Ring. Accented with single cut diamonds. Sapphires with strong saturation of color.

Art Deco style Approx. 2.67 Carat Round Brilliant Cut Diamond and Platinum Three Stone Ring accented with .88 Carat French Cut Sapphires. Diamonds E-F color, VS clarity. Sapphires with vivid saturatio

ANTIQUE THREE STONE OLD CUT DIAMOND RINGHigh carat gold and silver Set with bright and lively three old cut diamonds totalling approx. 2.24 ct. the center diamond of approx. 1.03 ct. Size: O 1/23.6 gr

14K white gold and platinum three-stone ring featuring an oval cut sapphire weighing approx. 3.60 carats with two old European cut diamonds weighing approx. 2.00 ctw with an average color grade of I-J

Diamond, Multi-Stone, Gold Jewelry Suite Stones: Full-cut diamonds weighing a total of approximately 57.10 carats; round-cut pink sapphires weighing a total of approximat