An early 20th century platinum vari-cut diamond bar brooch. Principal diamond estimated weight 1ct,

An early 20th century platinum and gold, turquoise and old-cut diamond cluster brooch.Turquoise estimated dimensions of 17.6 by 16 by 8.5mms.Estimated total diamond weight 3.90cts, G-I colour, SI1-P1

An early 20th century diamond bar brooch. The old-cut diamond floral cluster, with knife-edge bar sides and similarly-cut diamond collet terminals. Estimated total diamond weight 0.70ct. Length 5cms.

AN EARLY 20TH CENTURY DIAMOND CLUSTER BAR BROOCH, a milgrain cluster of round-cut diamonds, to a split bar. Estimated total diamond weight 0.50ct, indistinctly marked '15CT', 1cm by 5.7cm, 3.6 grams

An early 20th century gold diamond brooch. Designed as an old-cut diamond cockerel, atop a bar. One diamond deficient. Estimated total diamond weight 0.15ct. Length 3.9cms. Weight 2.9gms.

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

An early 20th century gold ruby and diamond brooch. The alternating old-cut diamond and circular-shape ruby line, to the textured curb-link bar. Estimated total diamond weight 0.10ct. Length 4.3cms. W

A late 19th century gold old and rose-cut diamond bar brooch.Principal diamond estimated weight 0.55ct, H-I colour, SI2-P1 clarity.Estimated total diamond weight 1.20cts.Length 5cms. 4.3gms.

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.

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.

An early 20th century platinum and gold, old and rose-cut diamond ring.Estimated total diamond weight 0.75ct. Ring size P. 5.3gms.

An early 20th century platinum old-cut diamond two-stone crossover ring, with asymmetric shoulders, estimated total diamond weight 0.55ct, H-J colour, SI2-P1 clarity, band stamped PLAT, ring size N, 2

A mid 20th century platinum and 18ct gold diamond single-stone ring. The circular-cut diamond, with pave-set diamond line sides. Principal diamond estimated weight 0.30ct, I-J colour, P1 clarity. Ring

An early 20th century 18ct gold diamond five-stone ring. Designed as a graduated vari-cut diamond line. Estimated total diamond weight 0.20ct. Hallmarks for 18ct gold, partially indistinct. Ring size

Two diamond and gem-set brooches. To include an early 20th century cultured pearl and diamond bar brooch and a composite split-pearl and blue paste brooch. Estimated total diamond weight 0.10ct. Lengt

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 early 20th century platinum and 18ct gold diamond dress ring. The three graduated circular-cut diamonds, within a single-cut diamond scalloped millegrain border. Estimated total diamond weight 0.20

An early 20th century ruby and diamond ring. The cushion-shape ruby, with vari-cut diamond stepped surrounds. AF. Estimated total diamond weight 0.50ct. Ring size N. Weight 6.8gms.

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 diamond three-stone ring. The circular-cut diamond line, with similarly-cut diamond line shoulders. Estimated total diamond weight 1ct, principal diamonds estimated I-K colour, P1 c

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond cluster, to the tapered shoulders and plain band. Estimated total diamond weight 1ct. Principal diamond estimated I-J colour, SI

A mid 20th century gold diamond five-stone ring. The graduated old-cut diamond line, to the tapered shoulders and plain band. Estimated total diamond weight 1ct. Principal diamond estimated I-J colour

NO RESERVE - A PERIDOT AND DIAMOND BAR BROOCH, EARLY 20TH CENTURY, Made in 18 carat white gold and platinum, Octagonal step cut peridot, weighing approximately 3.71 carats, Single cut diamonds, Stampe

An early 20th century 'Egyptian Revival' gold and silver calibre-cut ruby, diamond and enamel 'Khepri' scarab beetle brooch.Estimated total diamond weight 0.65ct.Foreign marks. Length 6cms. 17.7gms.

An early 20th century diamond brooch. The old-cut diamond, within a similarly-cut diamond ribbon surround, suspending an old-cut diamond two-stone drop. Estimated total diamond weight 0.75ct. Length 3