A ruby and diamond brooch. Of openwork design, the

A ruby and diamond brooch. Of openwork design, the oval ruby curved lines, with single-cut diamond ribbon and foliate highlights. Estimated total diamond weight 0.50ct. Length 5.5cms. Weight 18.9gms.

An early 20th century 15ct gold ruby and diamond bar brooch. Of openwork design, the old-cut diamond and circular-shape ruby collet line, with shared halo surrounds and old-cut diamond collet accent t

A diamond and ruby floral brooch. Of openwork design, the rose-cut diamond and circular-shape ruby cluster, within a similarly-set floral surround and rope-twist circular border. Diameter 3cms. Total

A diamond and ruby floral brooch. Of openwork design, the textured frond, with diamond and ruby flowers, and ruby buds. Length 4.1cms. Weight 5.2gms.

SAPPHIRE AND DIAMOND BROOCH Of openwork design, centrally-set with a cabochon sapphire, between oval and single-cut diamonds, set throughout with rose-cut diamonds, oval and single-cut diamonds approx

AQUAMARINE AND DIAMOND BROOCH Of openwork design, set with two pear-shaped aquamarines and old brilliant-cut diamonds, length 4.2cm For further information on this lot please visit Bonhams.com

DIAMOND BROOCH Of openwork spray design set with brilliant, pear, marquise and baguette-cut diamonds, diamonds approx. 5.35cts total, length 4.3cm Footnotes: Please note this lot has VAT at the prevai

DIAMOND BROOCH Of openwork scrolling design, set with old brilliant and rose-cut diamonds, length 5.7cm

A late Victorian turquoise and diamond brooch. Of openwork design, the circular turquoise cabochon, suspended from an old-cut diamond and turquoise cluster, with similarly-set foliate sides. Estimated

IMPORTANT 19th CENTURY MALTESE CROSS DIAMOND PENDANT/BROOCH, of openwork design, set with old cut diamonds totalling approx. 13 ct. The central diamond weighing 1.61 ct. L. 7 cm. 16 grams. With a fitt

EDWARDIAN CERTIFICATED NATURAL PEARL AND DIAMOND BROOCH, of openwork scrolling design. Set with diamonds totalling appro. 3.80 ct. Accentuated with 3 natural pearls to the top and suspending a natural

BELLE EPOQUE DIAMOND BROOCH, of part openwork design. Set with diamonds totalling approx. 1.25 ct. W. 3.8 cm. L. 3.7 cm. 6.8 grams.

A diamond and gem-set brooch. Of openwork design, the foil-back emerald and green paste quatrefoil, within a diamond and paste replacement scrolling surround. Estimated total diamond weight 1ct. Lengt

A diamond and enamel brooch. Of openwork design, the old-cut diamond, with scrolling tapered sides and blue enamel accent. Length 5.9cms. Weight 4.1gms.

DIAMOND CLIP BROOCH, of openwork tapering design. Set with a larger pear shaped diamond, flanked with round and baguette cut diamonds totalling approx. 4.65 ct. W. 3.3 cm. L. 3.1 cm. 9.3 grams. With f

GEORGIAN DIAMOND BROOCH, of openwork part scrolling design. Set with foiled back diamonds totalling approx. 5.70 ct. W. 3.4 cm. 9.8 grams. With antique box.

DIAMOND BROOCH, of openwork mirrored scrolling design. Set with a central row of 5 larger diamonds, and on each side the crolling design, set wiith diamonds. Diamonds toalling approx. 3.90 ct. L. 5.3

DIAMOND-SET BROOCH, CIRCA 1890 Of openwork design, set with cushion-shaped diamonds, diamonds approx. 3.35cts total, length 3.6cm For further information on this lot please visit Bonhams.com

ART DECO DIAMOND BROOCH, CIRCA 1930 Of openwork, geometric design, set with old brilliant-cut diamonds, diamonds approx. 2.70cts total, length 4.4cm

DIAMOND CLIP BROOCH, of part openwork design. Set with diamonds totalling approx. 1.30 ct. L. 3.1 cm. 7.5 grams.

EDWARDIAN PEARL AND DIAMOND PENDANT/BROOCH, of openwork scrolling design. Set with diamonds totalling approx. 0.75 ct. Accentuated with pearls. Flip back bail and removable brooch fitting. L. 4.4 cm.

ROSE CUT DIAMOND BROOCH, of part openwork entwined design. set with rose cut diamonds totalling approx. 1.50 ct. W. 5.3 cm. 8.5 grams.

A mid Victorian silver and gold diamond set brooch mount. Of openwork design, comprising vari-size old and rose-cut diamond spray leaves. Estimated total diamond weight 1.10 to 1.50cts. Length 6.5cms.

A late Victorian ruby and diamond brooch. Of floral design, with textured stem and circular-shape ruby accent. Estimated total diamond weight 0.35ct. Length 2cms. Weight 1.4gms.