A mid 20th century platinum diamond bracelet. Designed

A mid 20th century platinum diamond half-circle eternity ring. Designed as a series of ten brilliant-cut diamonds, to the engraved half-band. Estimated total diamond weight 0.70ct. Ring size M1/2. Wei

A lady's mid 20th century platinum diamond wrist watch. The oval-outline dial, with single and rose-cut diamond geometric surround and lugs, to the black velvet bracelet. Estimated total diamond weigh

Two mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall con

Two mid 20th century 18ct gold and platinum, diamond and sapphire rings. The first designed as a circular-shape sapphire with single-cut diamond surround, the second designed as a circular-cut diamond

A MID-20TH CENTURY DIAMOND BRACELET Formed as a series of raised lozenge-shaped links, with reeded detailing and alternately-set with beaded panels and brilliant-cut diamond clusters, mounted in 18K g

A lady's mid 20th century platinum diamond manual wind cocktail watch. The rectangular-shape cream dial, with black Arabic numerals, to the single-cut diamond surround and old-cut diamond geometric op

A mid 20th century platinum diamond cluster ring. The old-cut diamond cluster, with pierced gallery and plain band. Estimated total diamond weight 1ct, I-J colour, SI clarity. French assay marks. Ring

A mid 20th century platinum diamond cocktail watch. The rectangular-shape cream dial with Arabic numerals, with single and baguette-cut diamond sides, to the single-cut diamond openwork links. Estimat

A mid 20th century platinum diamond dress ring. The brilliant-cut diamond, with similarly-cut diamond tapered cylindrical sides. Estimated total diamond weight 1.50cts, principal diamond estimated I-J

A mid 20th century platinum diamond five-stone ring. The graduated old-cut diamond line, to the ridged shoulders and plain band. Estimated total diamond weight 0.65ct, I-J colour, SI1-P1 clarity. Weig

A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colour

A mid 20th century bracelet. Designed as a series of textured barrel-shape links, suspending two late 19th century citrine and lapis lazuli fobs. Length of bracelet 17.5cms. Length of fobs 1 and 1.3cm

A mid 20th century diamond brooch. Designed as two alternately orientated foliate sprays, set throughout with vari-cut diamonds. Estimated total diamond weight 6.50 to 7cts, principal diamonds estimat

A mid 20th century platinum old-cut diamond brooch, with baguette-cut diamond accents. Estimated total diamond weight 4cts.French re-strike marks. Length 3.2cms. 11.7gms.

Early 20th Century Platinum and Diamond Bracelet. Openwork design set with seven round diamonds of graduated size, alternating with accent diamonds. Unmarked. Good condition. Approximately 14.4 grams.

A mid 20th century sapphire bracelet. Designed as a series of circular sapphire collets, each within crossover marquise-shape surrounds, to the stylised bow spacers and partially concealed clasp. Fren

A mid 20th century platinum, sapphire and diamond cluster ring. The rectangular-shape sapphire, within a circular-cut diamond scalloped surround, to the openwork gallery. Estimated total diamond weigh

A mid 20th century sapphire and diamond bracelet. The oval-shape sapphires and old-cut diamonds, pave-set to the marquise-shape panel, with double-row gate-link back chain. Estimated total diamond wei

A mid 20th century gold and platinum diamond cluster ring. The circular-cut diamonds, to the tapered band. Estimated total diamond weight 0.35ct. Weight 2.5gms.

A mid 20th century diamond five-stone ring. Designed as a graduated old-cut diamond line, within an openwork surround and gallery. Estimated total diamond weight 0.55ct. Ring size O1/2. Weight 2.9gms.

A mid 20th century gold charm bracelet. Designed as a series of twelve assorted charms, to include a 9ct gold birdcage charm and a heart charm, suspended from a curb-link bracelet. Four charms with ha

A mid 20th century 18ct gold and platinum diamond single-stone ring. The brilliant-cut diamond collet, to the tapered shoulders and plain band. Estimated diamond weight 0.45ct, J-K colour, P1. Weight

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 mid 20th century platinum and 18ct gold diamond cluster ring. The single-cut diamond floral cluster, with single-cut diamond sides, to the plain band. Estimated total diamond weight 0.15ct. Weight 2