A diamond necklace. Of openwork design, the old-cut

CULTURED PEARL NECKLACE WITH DIAMOND CLASP The two rows of 8.5mm cultured pearls on an old brilliant-cut diamond clasp of openwork cluster design, diamonds approx. 2.95cts total, length of shortest st

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.

A diamond pendant. Of openwork design, the old and rose-cut diamond scrolling motif, with similarly-cut diamond drop, suspended from a fancy-link chain. Length 47cms. Weight 4.2gms.

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

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

A late Victorian gold turquoise, diamond and split pearl pendant. Of openwork and circular design, the old-cut diamond, with circular turquoise cabochon tapered cross and split pearl surround. Estimat

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 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 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

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

A VINTAGE ONYX, CORAL AND DIAMOND PENDANT NECKLACE in yellow and white gold, set with an onyx disk surmounted by a geometric design set with old cut diamonds, inlaid with black enamel, and a cabochon

A Belle Époque diamond necklace of pierced scrolling design, set throughout with graduated old round and rose-cut diamonds, unmarked; in a fitted case for Hamilton & Inches Edinburgh(Length of pen

BLUE DIAMOND SILVER NECKLACE Sterling silver openwork design heart pendant set with 6-1.3mm round cut blue diamonds (0.054 cttw) on a black corded necklace with screw and lobster claw clasps; Includes

A diamond and eighteen karat white gold banglehinged bangle with openwork foliate design set with old European-cut diamonds; estimated total diamond weight: 7.00 carats.14.0 dwt.; Circumference: 6 1/2

A DIAMOND AND ENAMEL BROOCH, EARLY 20TH CENTURY in platinum and yellow gold, the oval body of openwork design, set with a central old cut diamond between panels of blue guilloche enamel, accented by f

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

CARLO & ARTHUR GIULIANO - a late Victorian gold, diamond and enamel necklace. Designed as a black and white enamel, tapered openwork drop, with old-cut diamond and seed pearl highlights, suspended fro

A late Victorian gold and silver, old and rose-cut diamond foliate openwork necklace, with 9ct gold curb-link chain, estimated total diamond weight 3.50ct, clasp stamped 9K, length 43cm, central penda

A PAIR OF DIAMOND EARCLIPS, CIRCA 1955 Of openwork scrolling design, each set with old European and single-cut diamonds, mounted in platinum, diamonds approximately 1.90ct total, length 2cm

DIAMOND-SET DRESS WATCH Of openwork design, the front set with old brilliant, cushion and single-cut diamonds, on a sprung-link bracelet, diamonds approx. 1.50cts total, inner circumference approx. 15

Antique Platinum and Diamond Lavalier Necklacethe pendant in a delicate geometric design centering on an old mine cut diamond weighing approximately .50 carat (G color, SI1 clarity), over an open pear