A DIAMOND BROOCH, CIRCA 1940 the openwork body of geometric design, jewelled throughout with old

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

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

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

ILLARIO FOR BULGARI: DIAMOND BANGLE/TRIPLE-CLIP BROOCH, CIRCA 1935 Of geometric and scroll design, set throughout with old brilliant and single-cut diamonds with baguette-cut diamond accents, the cent

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

ART DECO DIAMOND BROOCH/CLASP, CIRCA 1935, AND TRIPLE ROW CULTURED PEARL NECKLACE The openwork geometric plaque set throughout with cushion-shaped and old brilliant diamonds, with step and baguette-cu

ART DECO DIAMOND BRACELET, CIRCA 1930 Of openwork geometric design, set throughout with pear-shaped and brilliant and single-cut diamonds, diamonds approx. 6.15cts total, length 18.3cm, fitted case

ART DECO ROCK CRYSTAL, ENAMEL AND DIAMOND BROOCH, CIRCA 1925 Of geometric design, the openwork square rock crystal plaque accented by black enamel bands and single-cut diamonds, between pierced, simil

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork body set throughout with old cut diamonds, the diamonds all totalling 4.2-4.6 carats, no assay marks, 4.4cm, 14.6g. 

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

ART DECO JADE AND DIAMOND EARRINGS, BROOCH AND RING, CIRCA 1920 1st: Each earring with an openwork surmount of geometric design, set with single-cut diamonds, suspending a jadeite jade plaque carved t

LACLOCHE FRÈRES: DIAMOND BROOCH, CIRCA 1925 Oval, of openwork form, the blossoming roses, rose bud and leaves pierced and millegrain-set throughout with old brilliant, single and rose-cut diamond

AQUAMARINE AND DIAMOND BROOCH, CIRCA 1950 The octagonal-cut aquamarine within an openwork geometric frame set with single, old brilliant and baguette-cut diamonds, length 3.7cm For further informatio

DIAMOND CLIP BROOCH, CIRCA 1935-40 Of stylised ribbon design, set throughout with cushion-shaped, brilliant, old brilliant, and baguette-cut diamonds, diamonds approximately 8.00 carats total, length

A BELLE EPOQUE DIAMOND PENDANT / BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, the foliate body suspending swags, jewelled throughout with old European, single and rose cut diamonds, the dia

ART DECO SAPPHIRE AND DIAMOND BRACELET, CIRCA 1925 The articulated strap of openwork geometric design, set with step-cut sapphires and old brilliant, single and baguette-cut diamonds, diamonds approx

A DIAMOND BROOCH, CIRCA 1955 Of stylised feather design, the quill and shaft set with graduated baguette-cut diamonds between scrolling barbs set throughout with European, old cushion and single-cut d

A DIAMOND BROOCH, TIFFANY & CO in platinum, in the Art Deco style, of openwork design, the central rectangular panel accented at either end by hexagonal silhouettes, jewelled throughout with baguette

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

AN ANTIQUE NATURAL PEARL AND DIAMOND BROOCH, 19TH CENTURY in yellow gold and silver, the scrolling body of openwork design, set with a trio of pearls of 5.0mm, 4.8mm and 4.8mm, accented throughout by

AN ANTIQUE DIAMOND PLAQUE BROOCH in rectangular design, set to the centre with an old cut diamond of 0.35 carats, the openwork body set with further old cut diamonds, the diamonds all totalling 2.8-3.

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

AN AQUAMARINE BROOCH, CIRCA 1940 in platinum, in geometric design, set with a cushion cut aquamarine of approximately 19.0 carats, above a circular cut aquamarine, no assay marks, 3.8cm, 14.3g.