A diamond brooch. Of openwork design, the vari-cut

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.

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

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

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.

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 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

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

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

A diamond, pearl and seed pearl brooch. Of openwork design, the old-cut diamond and pearl scrolling foliate cluster, suspended from a similarly-set stylised bow. Estimated total diamond weight 1.15cts

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.

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

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

SAPPHIRE AND DIAMOND BROOCH AND EARCLIP SUITE Of openwork foliate design set with baguette and brilliant-cut diamonds and pear-shaped sapphires, the earclips of matching design, diamonds approx. 5.95

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

A 14K yellow gold and diamond pendant/brooch the openwork fourteen karat yellow gold design set with round brilliant-cut diamonds; estimated total diamond weight: 0.95 carats. (6.0 dwt.; Diameter: 1 1

A FINE ANTIQUE DIAMOND BROOCH / PENDANT, 19TH CENTURY the oval body of openwork design, set throughout with old cut and rose cut diamonds, the diamonds all totalling 3.6-4.2 carats, with retractable l

EMERALD AND DIAMOND DOUBLE-CLIP/BROOCH, CIRCA 1935 Of openwork scrolling spray design, each set with a circular-cut emerald, the scrolls pavé-set throughout with old brilliant-cut diamonds, accen

DIAMOND DOUBLE-CLIP/BROOCH, CIRCA 1950 Of openwork scroll design, each channel-set with three step-cut diamonds, the scrolls pavé-set with brilliant-cut diamonds, accented by baguette-cut diamond

IMPORTANT AND MAGNIFICANT EMERALD AND DIAMOND BROOCH, set to the center with an important octagonal cut 8.13 ct. emerald, Colombian origin. The Diamond shaped brooch further of part openwork design, s

DIAMOND DOUBLE-CLIP BROOCH, CIRCA 1950 Of openwork scrolling design, set with brilliant, single and baguette-cut diamonds, diamonds approx. 3.95cts total, length 6.0cm

NATURAL PEARL AND DIAMOND BROOCH, LATE 19TH CENTURY Of openwork plaque design, set with an 8.6 x 9.1 x 6.5mm natural button pearl, cushion and rose-cut diamonds and pearls, diamonds approx. 1.80cts to

Includes a 14kt yellow gold brooch with openwork design set throughout with Old European cut diamonds and pearls - (6) pearls measuring approx. 3mm each, (6) pearls measuring approx. 4mm each, (6) dia