A diamond single-stone ring. Of bi-colour design, the

A diamond single-stone ring. Of bi-colour design, the old-cut diamond, with tapered shoulders. Estimated diamond weight 0.45ct, K-L colour, SI2-P1 clarity. Ring size J1/2. Weight 2.7gms.

A platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with bar sides and tapered band. Diamond weight 0.33ct, H-I colour, P1 clarity. Hallmarks for London. Ring size O.

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

A diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, to the stepped shoulders and plain band. Diamond weight 0.20ct, stamped to the band, estimated I-J colour, P1 clarity. Hall

A diamond three-stone ring. Of bi-colour design, the brilliant-cut diamond line, with single-cut diamond shoulders. Estimated total diamond weight 0.35ct. Ring size L1/2. Weight 2.7gms.

Two 9ct gold rings. To include an illusion-set brilliant-cut diamond single-stone ring, together with a bi-colour woven band ring. Hallmarks for 9ct gold. Weight 4.9gms. Overall condition fair to good

A gentleman's 18ct gold diamond ring. Of bi-colour design, the brilliant-cut diamond, inset to a stepped panel, with grooved shoulders and tapered band. Estimated diamond weight 0.20ct, J-K colour, P1

A gentleman's 9ct gold diamond ring. Of bi-colour design, the brilliant-cut diamond square-shape panel, to the grooved shoulders. One diamond deficient. Estimated total diamond weight 1ct. Hallmarks f

A diamond cluster ring. Of bi-colour design, the vari-shape rose-cut diamond mosaic, to the textured mount and band. Maker's mark for Yossi Harari. Total diamond weight 1.85cts, estimated G-H colour,

An 18ct gold diamond band ring. Of bi-colour design, the brilliant-cut diamonds, inset to the plain band. Estimated total diamond weight 0.30ct. Import marks for London. Ring size L. Weight 6.9gms. Ov

A diamond cluster ring. Of bi-colour design, the rose-cut diamond, within a diamond point and engraved openwork surround. Foreign marks. Ring size P. Weight 4.2gms.

A diamond dress ring. Of bi-colour design, the two brilliant-cut diamond interlinked curved lines, with tapered band. Estimated total diamond weight 0.25ct. Ring size M. Weight 3.4gms. Overall conditi

THEO FENNELL - an 18ct gold beryl and diamond 'Rainforest' ring. Of bi-colour design, the circular green beryl cabochon, hinged to reveal a frog, to the foliate and pave-set diamond band. Signed Fenne

A gentleman's diamond dress ring. Of bi-colour design, the marquise-shape diamond collet, to the ridged shoulders and tapered band. Estimated diamond weight 0.65ct, I-J colour, P1 clarity. Weight 11.2

An 18ct gold diamond crossover ring. Of bi-colour design, comprising seven brilliant-cut diamond crossover bands, with tapered sides. Total diamond weight 0.88ct. Hallmarks for Birmingham. Ring size O

A tsavorite garnet and diamond clover ring. Of bi-colour design, the pave-set tsavorite garnet and diamond clover, with chevron shoulders. Estimated total diamond weight 0.60ct. Ring size M. Weight 10

A diamond flexible ring. Of bi-colour design, comprising a series of textured batons and panel, with brilliant-cut diamond scattered accents. Estimated total diamond weight 0.25ct. Ring size N. Weight

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.

An 18ct gold diamond and 'coloured' diamond cluster ring. Of bi-colour design, the brilliant-cut 'green' diamond, with similarly-cut 'green' diamond and diamond stepped surround. Estimated total colou

A gentleman's diamond dress ring. Of bi-colour design, the square-shape diamond line, to the raised shoulders and tapered band. Estimated total diamond weight 0.40ct, I-J colour, VS1-SI1 clarity. Weig

A mid 20th century gold diamond buckle ring. Of bi-colour design, the textured and tapered band, with diamond buckle motif. Ring size L. Weight 4.5gms.

An old-cut diamond single-stone ring.Estimated diamond weight 2cts, tinted colour, P2 clarity.French assay mark. Ring size M1/2. 3.7gms.

A diamond full-circle eternity ring. Of bi-colour openwork design, the brilliant-cut diamond kite-shape line, to the textured bar sides. Estimated total diamond weight 0.10ct. Ring size L. Weight 6.7g

A rose-cut diamond single-stone ring.Rose-cut diamond estimated I-J colour, VS2-SI1 clarity.Stamped 585.Ring size N1/2. 2.2gms.