A diamond single stone ring, unmarked, the brillia

A diamond single-stone ring claw-set with a marquise-cut diamond, each shoulder set with baguette-cut diamonds and small eight-cut diamonds, to a plain band, unmarked(Ring size: K/L)

A diamond single-stone ring claw-set with an old round-cut diamond, each shoulder set with eight-cut diamonds, to a plain band, unmarked; together with a diamond-set half-eternity ring, stamped PLAT(R

Single stone old cut diamond ring, mounted in unmarked yellow metal tested as 9ct gold, finger size R 1/2, gross weight approximatively 2.6 grams.

A single stone diamond ring, claw set round brilliant cut diamond, approximate diameter 4.8mm, estimated approximate weight 0.40ct, tapered chenier shoulders, size I½, unmarked, tested as 18ct

A collection of jewellery to include a three-stone diamond ring, unmarked; a 9ct gold garnet cluster ring, an 18ct gold single-stone diamond ring; a colourless gem eternity ring; a pink tourmaline and

Beautiful ring in 14K yellow gold, unmarked. The onyx stone is set with a white diamond pattern with a single cut center diamond. Size is approx 5 1/4, overall approx weight 2.77g.

14K gold and amethyst ring, single inlaid amethyst (approx 2 tcw), size 6, unmarked Total weight: 4.1 g All diamond or stone details including but not limited to color, clarity, cuts, and carat weig

DIAMOND SINGLE-STONE RING The step-cut diamond, weighing 6.30 carats, ring size J Footnotes: Accompanied by a report from GIA stating that the diamond is G colour, SI1 clarity. Report number 22255108

DIAMOND SINGLE-STONE RING The old brilliant-cut diamond, weighing 10.74 carats, in an 18 carat white and yellow gold setting, London hallmark, ring size P

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 5.36 carats, within a six-claw setting, ring size M Footnotes: Accompanied by a report from GIA stating that the diamond is F colour, SI2

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 5.73 carats, in a brushed mount, ring size M Footnotes: Accompanied by a report from GIA stating that the diamond is I colour, SI1 clarity

DIAMOND SINGLE-STONE RING, CIRCA 1950 The step-cut diamond, weighing 5.64 carats, between bifurcated shoulders set with baguette and single-cut diamonds, ring size M Footnotes: Accompanied by a report

DIAMOND SINGLE-STONE RING, MID 20TH CENTURY The fancy octagonal-cut diamond, weighing 8.25 carats, in a raised setting, the shoulders and quatrefoil gallery set with old brilliant and single-cut diamo

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 3.94 carats, between scrolling shoulders set with baguette-cut diamonds, ring size Q Footnotes: Accompanied by a report from HRD stating t

AN IMPORTANT DIAMOND SINGLE-STONE RING The old European-cut diamond weighing 6.94cts within a four-claw setting, to a plain hoop, ring size O Accompanied by a report from the GIA laboratory in America

DIAMOND SINGLE-STONE RING, 1884 The cushion-shaped diamond, mounted in 18 carat gold, diamond approx. 4.90cts, UK hallmark, ring size approx. P (leading edge) For further information on this lot pleas

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 6.02 carats, ring size O½

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 4.11 carats, ring size M Footnotes: Accompanied by a report from GIA stating that the diamond is K colour, SI1 clarity. Report number 2191

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 4.67cts, in a six-claw setting, size N

A diamond single-stone ring. The rectangular-shape diamond, weighing 4.73cts, to the tapered shoulders and plain band. Accompanied by report number 20022002, dated 11th February 2015, from AnchorCert,

DIAMOND SINGLE-STONE RING Set with a step-cut diamond, weighing 7.01 carats, between brilliant-cut diamond shoulders, ring size approx. G (sizing spring)

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)

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 4.93 carats, ring size P This lot is subject to the following lot symbols: Ω Ω VAT on imported items at the prevailing rate on

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, weighing 3.76cts, ring size approx. P, cased by F.J. Cornfield Ltd., 8 North End Road, Golders Green, also at The Broadway, Mill Hill