An 18ct gold brilliant-cut diamond openwork spiral bombé ring, by Boodles.Estimated total diamond

An 18ct gold diamond band ring. Of bi-colour design, the brilliant-cut diamond openwork scrolling foliate motif, to the scroll engraved sides and polished back panel. Estimated total diamond weight 0.

BOODLES - an 18ct gold Tahitian cultured pearl and diamond ring. The Tahitian cultured pearl, nestled within a brilliant-cut diamond-edged scroll. Signed Boodles. Estimated total diamond weight 0.20ct

CARTIER - an 18ct gold diamond 'Juste Un Clou' ring. Designed as a spiral nail, with brilliant-cut diamond set head and tip. Signed and numbered Cartier, BHR640. Total diamond weight 0.09ct. Swiss con

An 18ct gold diamond and aquamarine cluster ring. The oval-shape aquamarine, with brilliant-cut diamond surround and openwork shoulders. Estimated total diamond weight 0.10ct. Hallmarks for London, 19

An 18ct gold sapphire and diamond three-stone ring. The cushion-shape sapphire and brilliant-cut diamond line, with openwork shoulders and tapered band. Estimated total diamond weight 0.20ct. Hallmark

A mid 20th century 18ct gold diamond cluster ring. The brilliant-cut diamond, within a similarly-cut diamond surround, to the openwork gallery and plain band. Estimated total diamond weight 0.25ct. We

Yellow gold with white gold views. Openwork bombé centre with rose cut diamonds and centre with an old brilliant cut diamond of 0.25 ct total weight.Hoop 17 mm.5 gr.

A mid 20th century 18ct gold amethyst and brilliant-cut diamond cluster ring.Estimated total diamond weight 0.50ct, G-H colour, VS-SI clarity.Stamped 18ct. Ring size J. 3.8gms.

An 18ct gold brilliant-cut diamond and black ceramic 'Ultra' ring, by Chanel.Estimated total diamond weight 0.15ct.Hallmarks for London, 2006. Ring size (at leading edge) L1/2. 16.1gms.

An 18ct gold brilliant-cut diamond and black ceramic 'Ultra' ring, by Chanel.Estimated total diamond weight 0.40ct, G-H colour, VS clarity.Swiss convention marks. Ring size K1/2. 10gms.With maker's ca

An 18ct gold amethyst and brilliant-cut diamond dress ring.Amethyst weight 5.31cts. Total diamond weight 0.35ct, estimated H-I colour, VS-SI clarity. Hallmarks for Birmingham. Ring size O. 6.6gms.We o

Two 18ct gold diamond dress rings. To include a square-shape diamond panel ring with baguette-cut diamond shoulders, together with a brilliant-cut diamond line crossover ring. Total diamond weight 0.5

An 18ct gold sapphire and brilliant-cut diamond three-stone ring, sapphire estimated weight 2ct, estimated total diamond weight 0.40ct, estimated L-tinted colour, VS2-SI1 clarity, hallmarks for Birmin

Two diamond rings. To include an 18ct gold brilliant-cut diamond three-stone ring, together with a brilliant-cut diamond line band ring. Estimated total diamond weight 0.75ct. Principal diamonds estim

Two diamond rings. To include an 18ct gold brilliant-cut diamond five-stone ring, together with an old-cut diamond three-stone ring. Estimated total diamond weight 0.60ct, principal diamond estimated

(1920) Two gold diamond rings. To include an 18ct gold brilliant-cut diamond single-stone ring, with similarly-cut graduated line sides and a 9ct gold diamond crossover band ring. Total diamond weight

Two diamond rings. To include an 18ct gold brilliant-cut diamond single-stone ring, together with a single-cut diamond full eternity ring. AF. Estimated total diamond weight 0.40ct. One with hallmarks

An 18ct gold diamond and gem-set brooch. Designed as a giardinetti, with brilliant-cut diamond openwork basket and marquise-shape ruby, sapphire and emerald flowers. Estimated total diamond weight 0.2

An 18ct gold diamond ring. The brilliant-cut diamond, with similarly-cut diamond trefoil sides. Total diamond weight 0.50ct, stamped to band, principal diamond estimated I-J colour, P2 clarity. Hallma

Three 18ct gold diamond rings. To include a single-cut diamond collet five-stone ring, a vari-cut diamond three-stone ring, together with a brilliant-cut diamond single-stone ring. Estimated total dia

An 18ct gold diamond cluster ring. The brilliant-cut diamond, within a similarly-cut diamond lozenge-shape surround, to plain band. Estimated total diamond weight 1.30cts, H-J colour, SI clarity. Hall

BULGARI - an 18ct gold 'B.Zero1' diamond ring. The brilliant-cut diamond line, with logo sides. Signed Bulgari. Estimated total diamond weight 0.70ct. Convention marks for Switzerland. Ring size O 1/2

An 18ct gold diamond cluster ring. The brilliant-cut diamond cluster, with a similarly-cut diamond scalloped surround and brilliant-cut diamond double line shoulders. Estimated total diamond weight 0.

An 18ct gold diamond cluster ring. The brilliant-cut diamond, within a similarly-cut diamond double surround, to the plain band. Estimated total diamond weight 0.45ct. Hallmarks for Sheffield. Ring si