A diamond single stone ring, stamped 'Plat', the o

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

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

A 1940s diamond single-stone ring set with a square French-cut diamond, each shoulder set with two French-cut diamonds, to a plain shank, stamped PLAT(Ring size: K)

An old-cut diamond single-stone ring.Estimated diamond weight 1.20cts, H-I colour, P2 clarity.Stamped plat.Ring size J1/2. 3.5gms.

A diamond single-stone ring claw-set with a single old round-cut diamond, to a plain band, stamped 585, with Austrian marks(Ring size: O)

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.

9CT GOLD ROUND BRILLIANT CUT DIAMOND THREE STONE RING. Stamped 9ct, Size O, weight 2.3g

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)

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

A diamond single-stone ring claw-set with a marquise-cut diamond, each shoulder set with five round brilliant-cut diamonds, stamped 750; with accompanying HRD report, dated 27.07.05, numbered 05017020

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 2.11cts, ring size approx. O

A 1.60ct diamond single stone ring, the round brilliant cut diamond, estimated weight 1.65cts in a four claw raised setting with plain tapered shank size M, in white on yellow metal stamped '18ct, Pla

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, diamond approx. 1.25cts, ring size approx. O, cased by John Bull & Co., Bedford

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, mounted in 18 carat white gold, diamond approx. 1.50cts, UK hallmark, ring size approx. O

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, mounted in 18 carat gold, diamond very approx. 0.90ct total, UK hallmark, ring size approx. O

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, within a raised four-claw setting, to the plain band. Diamond weight1.01ct, stamped to band, estimated J-K colour, P2 clarity. Hallma

A diamond single stone ring, the brilliant cut diamond, estimated to weigh 1.00 carat, in four claw setting, stamped 950, finger size K 1/2

A diamond single-stone ring claw-set with an old round-cut diamond, to a plain band, stamped 18ct(Ring size: H)

A diamond single stone ring, the brilliant cut diamond, estimated to weigh 0.85 carats, in a claw setting, stamped 18ct, finger size L

A 14ct gold diamond single-stone ring. The brilliant-cut diamond collet, with grooved shoulders and band. Diamond weight 0.95ct, stamped to band, estimated K-L colour, P2 clarity. Hallmarks for Birmin

An 18ct gold diamond single-stone ring. The millennium-cut diamond, with plain band. Diamond weight 0.57ct, stamped to band, estimated J-K colour, VS clarity. Hallmarks for Birmingham. Ring size I. We

(1345) A platinum diamond single-stone ring. The square-shape diamond, with tapered shoulders. Diamond weight 0.47ct, stamped to band, estimated K-L colour, SI2-P1 clarity. Hallmarks for London. Ring

A platinum diamond single-stone ring. The rectangular-shape diamond, with tapered shoulders. Diamond weight 0.40ct, stamped to band, estimated I-J colour, SI clarity. Hallmarks for London, 2006. Ring

A platinum diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Diamond weight 0.33ct, stamped to band, estimated H-I colour, SI clarity. Hallmarks for London. Ring size L1/2.