An 18ct gold brilliant-cut diamond 'Etoile' ring, by Tiffany & Co.Estimated total diamond weight

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 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

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

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

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 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

TIFFANY & CO. - a diamond 'Signature X Kiss' ring. Designed as a brilliant-cut diamond cross, atop a grooved tapered band. Signed Tiffany & Co. Estimated total diamond weight 0.30ct. Ring size K. Weig

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

An 18ct gold diamond crossover ring. The brilliant-cut diamond, with similarly-cut diamond asymmetric shoulders and plain band. Estimated total diamond weight 0.40ct, I-J colour, SI clarity. Hallmarks

An 18ct gold diamond cluster ring. The brilliant-cut diamond, within a brilliant-cut diamond surround. Estimated total diamond weight 0.50ct. Import marks for London. Ring size P. Weight 3.1gms.

An 18ct gold diamond eternity ring. The brilliant-cut diamonds, inset at intervals, to the plain band. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham. Ring size K1/2. Weight 5.2gms.

An 18ct gold diamond dress ring. The brilliant-cut diamond, within a similarly-cut diamond scrolling surround. Estimated total diamond weight 0.30ct, principal diamond estimated I-J colour, SI2 clarit

An 18ct gold diamond cluster ring. The brilliant-cut diamond, within a similarly-cut diamond surround. Estimated total diamond weight 0.35ct. Hallmarks for Birmingham. Ring size M. Weight 3.1gms.

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

An 18ct gold diamond single-stone ring and a loose diamond. To include a brilliant-cut diamond single-stone ring, together with a loose square-shape diamond. Estimated total diamond weight 0.55ct, J-K

Two 18ct gold diamond and gem-set rings. To include a brilliant-cut diamond three-stone ring, with a circular-shape sapphire and circular-cut diamond chevron ring. Estimated total diamond weight 0.35c

An 18ct gold diamond floral cluster ring. The brilliant-cut diamond floral cluster, to the plain band. Estimated total diamond weight 0.85ct. Hallmarks for London, 1997. Weight 12gms.