A diamond single stone ring , the principal brilliant

An 18ct gold diamond single-stone ring. The square-shape diamond, between brilliant-cut diamond tapered line sides. Principal diamond estimated weight 0.20ct, H-I colour, SI2-P1 clarity. Hallmarks for

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, between similarly-cut diamond shoulders, principal diamond approx. 1.50cts, ring size approx. K½

DIAMOND SINGLE STONE RING The old brilliant-cut diamond between single-cut diamond shoulders, principal diamond approx. 1.20cts, ring size approx. R For further information on this lot please visit Bo

DIAMOND SINGLE-STONE RING Set with an old brilliant-cut diamond, within a surround and shoulders set with cushion and single-cut diamonds, principal diamond approx. 1.35cts, ring size approx. L½

A diamond single-stone ring. The old-cut diamond, weighing 1.26cts, to the brilliant-cut diamond surround, gallery and shoulders. Accompanied by a verbal report by AnchorCert stating the principal dia

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with calibre-cut diamond line sides. Principal diamond estimated weight 0.75ct, K-L colour, SI clarity. Hallmarks for Sheffield. Ring

A diamond single-stone ring. The brilliant-cut diamond, to the similarly-cut diamond line sides and millegrain border. Principal diamond estimated weight 0.55ct, J-K colour, VS2-SI1 clarity. Weight 3.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with similarly-cut diamond line band. Estimated total diamond weight 0.50ct, principal diamond estimated H-I colour, VS clarity. Hall

A diamond single-stone ring. The brilliant-cut diamond, with square-shape diamond line sides, to the angular shoulders. Principal diamond estimated weight 0.25ct, H-I colour, VS clarity. Ring size M.

A diamond single-stone ring. The brilliant-cut diamond, with similarly-cut diamond line sides, to the plain band. Principal diamond weight 0.22ct, stamped to band, estimated L-tinted colour, VS clarit

A diamond single-stone ring. The brilliant-cut diamond, to the rose-cut diamond shoulders and plain band. Principal diamond estimated weight 0.20ct, I-J colour, SI clarity. One rose-cut diamond defici

A mid 20th century 18ct gold and platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with tapered shoulders and single-cut diamond accents. Principal diamond estimated

Two diamond rings. To include a brilliant-cut diamond single-stone ring, together with a 9ct gold diamond three-stone crossover ring. Estimated total diamond weight 0.45ct, principal diamond estimated

A diamond single-stone crossover ring. The brilliant-cut diamond, to the similarly-cut diamond line asymmetric shoulders and tapered band. Principal diamond estimated weight 0.30ct, H-I colour, VS cla

A diamond three-stone crossover ring. The brilliant-cut diamond line, to the single-cut diamond asymmetric shoulders and plain band. Principal diamonds estimated total weight 0.60ct, K-tinted colour,

DIAMOND TWO-STONE RING Of crossover design, set with two old brilliant-cut diamonds between single-cut diamond shoulders, principal diamonds approx. 0.85cts and 0.80cts, ring size approx. H½ For

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 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

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

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 The brilliant-cut diamond, weighing 2.20 carats, between princess-cut diamond shoulders, ring size approx. O Footnotes: Accompanied by a report from The Gem Testing Laborato