A bi-colour novelty brooch.

A brilliant-cut diamond bi-colour ballerina brooch.May be worn as a pendant.Total diamond weight 1.448cts, stamped to mount, estimated G-H colour, VS-SI clarity.Stamped 18K 750. Length 5cms. 12.9gms.

Three brooches. To include a late Victorian 9ct gold bi-colour foliate brooch, together with an early 20th century oval-shape sapphire brooch within a single-cut diamond surround, and a synthetic spin

A beryl and diamond bar brooch. Of bi-colour design, the oval-shape green beryl and rose-cut diamond cluster, with similarly-set highlight, pierced scrolling foliate sides. Length 8cms. Total weight 1

An 18ct gold diamond brooch. Of bi-colour design, with intertwined undulating bars and brilliant-cut diamond highlights. AF. Estimated total diamond weight 0.25ct. Hallmarks for London, 2013. Length 4

A late 19th century gold and seed pearl brooch. Of bi-colour design, the woven basket, with seed pearl grapes, textured vine leaves and scrolling vine, to the seed pearl terminal cylindrical bar. Fren

A 9ct gold and enamel Royal Marines brooch. Of bi-colour design, with green enamel wreath and red enamel highlight crown. Hallmarks for Birmingham, 1995. Length 2.8cms. Weight 4.7gms.

A diamond, ruby and sapphire lizard brooch. Of bicolour design, the single-cut diamond pave-set body, with circular-shape sapphire and ruby highlights. Estimated total diamond weight 0.35ct. Length 3.

A mid 19th century gold citrine brooch, with textured bicolour gold and seed pearl grape vine surround. Citrine calculated weight 32.30cts, based on estimated dimensions of 26.2 by 17.8 by approximate

A paste brooch. The hinged foliate spray of bi-colour design, suspending three tapered drops, with blue paste accents and vacant panel reverse. May be worn as a pendant. Length 5.1cms. Total weight 8.

A late 19th century pique tortoiseshell brooch. Of circular-shape outline, the domed tortoiseshell disc, with bi-colour geometric inlay. Diameter 4.2cms.

AN ENAMEL AND DIAMOND NOVELTY EQUESTRIAN BROOCH modelled as a horse and jockey, set throughout with old-cut diamonds and enamelled in colours. Estimated total diamond weight 1.75ct, 3.5cm by 3.5cm, 11

TWO DIAMOND AND ENAMEL NOVELTY EQUESTRIAN BROOCHES each modelled as a horse and jockey, pavé-set with diamonds and enamelled in colours. (2) Estimated total diamond weight 1.30ct, 1.5cm by 4.2cm

A gentlemen's bi-colour Rolex 'GMT-Master' automatic strap watch, c.1979, A gentlemen's bi-colour Rolex 'GMT-Master' automatic strap watch, c.1979, 39mm diameter, with a black dial, baton hour makers,

A VINTAGE GOLD BRACELET in 18ct white and yellow gold, comprising five bi-colour oval links in abstract design, stamped 750, 19.0cm, 111.3g.

CHOPARD - a diamond cocktail watch. Of bi-colour design, the pave-set diamond rectangular dial, with single-cut diamond bezel and brilliant-cut diamond geometric bracelet. Signed Chopard, 186769. Esti

FINE ANTIQUE BI-COLOUR GOLD TURQUOISE NECKLACE,High carat gold.Detailed floral and cannetille work.Vibrant turquoise.The 3 drops removable.L. 37.5 cm.38.8 grams.

FRANCK MULLER - a Conquistador Grand Prix wrist watch. Bi-colour titanium case with calibrated bezel. Case width 50mm. Reference 9900 SC GP, serial 147. Signed automatic movement with quick date set.

From the private collection of a continental lady AN ENAMEL, RUBY AND DIAMOND NOVELTY BROOCH BY CARLO ILLARIO, CIRCA 1960 Designed as a flying toucan bird embellished throughout with red, orange and b

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,

Omega: a bi-colour wrist watch Constellation Co-Axial Chronometer model, stainless steel case, signed Omega automatic movement, silver-coloured dial with diamond dot hour markers, date aperture at 3,

A diamond hinged bangle. Of bi-colour design, the brilliant-cut diamond scrolling line, with similarly-cut diamond floral cluster highlights, atop the openwork scrolling bangle. Estimated total diamon

Longines: a bi-colour wrist watch Longines Lindberg Hour Angle reissue model, stainless steel case, automatic movement, round buff dial with Roman numerals in black, central GMT section with Arabic nu

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

AN ENAMEL AND RUBY NOVELTY BROOCH, CIRCA 1955 The turtle shell decorated with gold and brownish gold enamel between textured gold, to textured feet, head and tail, accented with circular-cut ruby for