A diamond brooch. The openwork brooch, with old-cut

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 SAPPHIRE AND DIAMOND BROOCH The openwork brooch set with a central circular-cut sapphire, within a surround of old brilliant-cut diamonds in square millegrained settings, further issuing curved rows

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.

Vintage circular platinum openwork brooch with central Old European cut diamond measuring approx. 4.0mm surrounded by single cut, round brilliant cut, and Old European cut diamonds. Total approx. weig

A VINTAGE DIAMOND PLAQUE BROOCH, 1930s, in 18ct yellow gold and platinum, the openwork brooch set throughout with old cut diamonds, the diamonds totalling 3.0-3.5 carats, stamped 18ct and PL, 4.6cm, 7

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

Platinum and Diamond Brooch The openwork plaque of scrolled pierced ribbons centering one old European-cut diamond ap. .85 ct., flanked by 6 baguette diamonds and clusters of 18 collet-set old-mine an

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

Brooch. Antique 14kt yellow gold openwork brooch displaying a central Old European cut diamond surrounded by two tiers of (24) Old European cut diamond accents and black enamel work. Center diamond me

IMPORTANT ANTIQUE NATURAL PEARL AND DIAMOND BROOCH, The brooch of openwork scrolling and guirland design, set with a central natural button shaped pearl of 15.72 ct. further set with 4 larger old cut

SAPPHIRE AND DIAMOND BROOCH, 1996 The openwork cartouche set with oval-cut sapphires and old brilliant and brilliant-cut diamonds, mounted in 18 carat gold, diamonds approx. 2.10cts total, London hall

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

Platinum and Diamond Dress Clips/Broocheach open-work dress clip bezel-set with two old European-cut diamonds weighing approx. 0.50 ct. each, two baguettes-cut diamonds, and one triangular portrait-cu

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

Art Deco style openwork brooch in 18 kt white gold. of intertwined geometric lines set with diamonds, old cut, set in grain with an estimated weight of 6.50 ct. and center with diamond bezel, brillian

ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 The openwork geometric plaque millegrain-set throughout with old brilliant and single-cut diamonds, accented by circular-cut sapphires, diamonds approx

PEARL AND DIAMOND BROOCH, EARLY 20TH CENTURY The openwork lozenge panel set with pearls and old brilliant-cut diamonds, diamonds approx. 1.75cts total, pearls untested, length 5.9cm For further inform

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 DIAMOND PENDANT / BROOCH, an old-cut diamond within a milgrain openwork frame set throughout with diamonds, to a plain bail. Estimated total diamond weight 4.00ct, 5.5cm by 3cm (including bail), 13.

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

Antique mid 19th c gold openwork brooch having oval prong set hard stone 17mm x 13mm x 10mm with 26 old mine cut diamond surround each approx. .02cts, 8 old mine cut rd. diamonds in work each .02cts,

DIAMOND DOUBLE-CLIP/BROOCH, CIRCA 1940 Of openwork geometric form with scrolling detail, set throughout with old brilliant and single-cut diamonds, accented by baguette-cut diamonds and two collet-set

An early 20th century diamond foliate brooch. Of circular outline, the openwork scrolling panel, set throughout with rose and old-cut diamonds. Estimated old-cut diamond total weight 0.20ct. Diameter