A 1970s 18ct gold brilliant-cut diamond dress ring.Estimated total diamond weight 0.45ct, G-H

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 early to mid 20th century platinum and 18ct gold old-cut diamond floral dress ring.Estimated total diamond weight 1.20cts, H-I colour, SI1-P1 clarity.Ring size O1/2. 3.3gms.

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 brilliant-cut diamond 'Trinity' bracelet, on adjustable brown cord, by Cartier.Total diamond weight 0.17ct, estimated G-H colour, VS clarity.Swiss convention marks. Maximum length 21.5cms

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 diamond dress ring. The graduated square-shape diamond line, with brilliant-cut diamond borders and bar spacers. Total diamond weight 0.86ct, principal diamonds estimated H-I colour, VS2-

14K yellow gold leaves style brooch set with 3 round brilliant modern cut diamonds weighing an approximative total of 0.18ct, purity: SI1, colour: G-H and with 5 round facetted cut sapphires.Weight: 7

An 18ct gold brilliant-cut diamond single-stone ring. Estimated diamond weight 0.25ct, H-I colour, P1 clarity. Hallmarks for London. Ring size K1/2. 2.6gms.

An 18ct gold brilliant-cut diamond and peridot pendant.Estimated total diamond weight 0.15ct, H-I colour, VS1-SI1 clarity.Hallmarks for London.Length 5.2cms. 4.9gms.

Two gold diamond dress rings. To include a 9ct gold brilliant-cut diamond single-stone ring and a 14ct gold baguette-cut diamond dress ring. Estimated total diamond weight 0.65ct. Hallmarks for Birmin

An early 20th century 18ct gold old and rose-cut diamond crescent brooch.Estimated total diamond weight 0.65ct, G-H colour, VS-SI clarity.Diameter 2.5cms. 4.5gms.

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

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.

set with two pear-shaped amethyst, and accented with 8 round brilliant-cut diamonds; estimated total diamond weight: 0.24ct., G-H/VS; weighing 6.3 grams; length: 1 1/2in.

An early 20th century 18ct gold alternating graduated split pearl and old-cut diamond five-stone ring.Estimated total diamond weight 0.65ct, G-I colour, SI clarity.Stamped 18c. Ring size I1/2. 3.1gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered band. Estimated diamond weight 0.35ct, G-H colour, VS clarity. Hallmarks for Birmingham, 1987. Ring size N1/2. Weight 2.

An 18ct gold ruby and diamond ring. Designed as three circular-shape ruby and brilliant-cut diamond floral clusters. Estimated total diamond weight 0.50ct, H-I colour, SI1-P1 clarity. Import marks for

18K yellow gold ribbon brooch with round brilliant, old European and single cut diamonds, total weight 3.71 ctw, G-H color, VS1 - SI2 clarity, 2.5 in. L, 26.0 grams The Estate of Susan Kaufmann.

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

* An 18ct gold ruby and diamond three-stone ring. The circular-shape ruby, with brilliant-cut diamond sides, to the plain band. Estimated total diamond weight 0.70ct, H-J colour, VS clarity. Hallmarks

An 18ct gold sapphire and diamond three-stone ring. The oval-shape sapphire, with brilliant-cut diamond sides, to the tapered band. Estimated total diamond weight 0.30ct, H-I colour, SI clarity. Impor

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

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