An 18ct gold brilliant-cut diamond line necklace.

A pair of 18ct gold brilliant-cut diamond cluster line and citrine drop earrings.Estimated total diamond weight 0.75ct.Hallmarks for London, 2015. Length 4.7cms. 12.4gms.

An 18ct gold brilliant-cut diamond highlight bead-link necklace, by Jennifer Meyer.Estimated diamond weight 0.40ct, G-H colour, SI clarity.Hallmarks for London. Length 36.7cms. 14.8gms.

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 cross pendant. The brilliant-cut diamond lines, with tapered surmount. Estimated total diamond weight 0.25ct. Hallmarks for Birmingham, 1998. Length 2.1cms. Weight 2.8gms.

An 18ct gold diamond seven-stone ring. The brilliant-cut diamond line, with bar spacers. Estimated total diamond weight 0.65ct. Hallmarks for London, 1978. Ring size H1/2. Weight 2.9gms.

An 18ct gold diamond ring. The slightly graduated brilliant-cut diamond line, to the similarly-cut diamond line shoulders and gallery. Estimated total diamond weight 0.50ct. Hallmarks for London. Ring

An 18ct gold diamond half eternity ring. The brilliant-cut diamond line, with plain band. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham. Ring size N1/2. Weight 2.8gms.

An 18ct gold diamond seven-stone ring. The brilliant-cut diamond line, to the plain band. Estimated total diamond weight 0.35ct. Hallmarks for London. Weight 3gms.

An 18ct gold diamond three-stone ring. The brilliant-cut diamond line, with scrolling partial collet mounts, to the plain band. Estimated total diamond weight 0.20ct. Hallmarks for London, 2014. Ring

An 18ct gold diamond three-stone ring. The brilliant-cut diamond line, with bi-colour mount. Total diamond weight 0.33ct, stamped to band. Hallmarks for London. Ring size N. Weight 3.7gms.

An 18ct gold diamond half eternity ring. The brilliant-cut diamond line, with plain band. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 2013. Ring size M. Weight 1.8gms.

An 18ct gold diamond three-stone ring. The brilliant-cut diamond line, with tapered shoulders. Estimated total diamond weight 0.30ct. Hallmarks for London. Ring size O. Weight 3.7gms.

An 18ct gold diamond seven-stone ring. The brilliant-cut diamond line, with scrolling shoulders. AF. Estimated total diamond weight 0.20ct. Hallmarks for London, 1981. Ring size N. Weight 2.3gms.

An 18ct gold diamond band ring. The two brilliant-cut diamond lines, inset to the textured half band. Estimated total diamond weight 0.25ct. Hallmarks for London. Ring size L1/2. Weight 5.2gms.

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, with plain band. Total diamond weight 1.27cts, stamped to band, estimated H-I colour, SI clarity. Hallmarks for Birming

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, with similarly-cut diamond line shoulders. Estimated total diamond weight 0.80ct, principal diamonds estimated H-I colo

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, with grooved shoulders. Estimated total diamond weight 0.45ct, principal diamond estimated H-I colour, P1 clarity. Hall

An 18ct gold diamond half-circle eternity ring. The brilliant-cut diamond line, with tapered half-band. Estimated total diamond weight 0.30ct. Hallmarks for Birmingham. Ring size N. Weight 3.3gms. Ove

An 18ct gold diamond and citrine band ring. The brilliant-cut diamond line, with circular-shape citrine border. Estimated total diamond weight 0.30ct. Hallmarks for London, 2002. Ring size O. Weight 7

An 18ct gold diamond pendant. The graduated illusion-set brilliant-cut diamond line, within a similarly-cut diamond scalloped and pierced surround, suspended from a brilliant-cut diamond openwork surm

A diamond five-stone ring. The graduated brilliant-cut diamond line, with 18ct gold half-band replacement. Estimated total diamond weight 0.60ct, H-I colour, P1-P2 clarity. Band replacement with hallm

An 18ct gold diamond half eternity ring. The brilliant-cut diamond chevron line, within a channel setting. Estimated total diamond weight 0.40ct. Hallmarks for Birmingham. Ring size N. Weight 4gms.

An 18ct gold diamond ring. Designed as a graduated brilliant-cut diamond line, with tapered half-band. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham. Ring size M 1/2. Weight 3.1gms.

A mid 20th century platinum and 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weight