A DIAMOND PLAQUE BROOCH the openwork brooch set throughout with transitional and single cut diamo...

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

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

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

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

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

Pendant. 14kt yellow gold openwork brooch or pendant inlaid throughout with prong-set round brilliant cut diamonds and round cut emeralds terminating in a single prong-set round brilliant cut diamond

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

Pendant. Art Deco style? 14kt white gold openwork oval brooch accented throughout with (21) single cut diamonds, and further displaying a diamond inlaid bow. The bow is comprised of a a single pear fa

A DIAMOND FLOWER BROOCH, set throughout with old brilliant, cushion and single-cut diamonds, diamonds approximately 4.00cts total, length 7.3cm

A 14K White Gold, Diamond, and Pearl Brooch A 14K white gold brooch designed as a crown, set throughout with single-cut and round brilliant-cut diamonds, and accented by a row of round white pearls al

DIAMOND PLAQUE PENDANT/BROOCH, MID 19TH CENTURY Of openwork foliate design, set throughout with cushion-shaped diamonds, principal diamond approx. 0.90ct, remaining diamonds approx. 4.40cts total, la

DIAMOND AND RUBY BOW BROOCH of stylized geometric design set throughout with single-cut and baguette diamonds accented with circular rubies in a red box bearing probably apocryphal ‘Cartier’ stamp

Diamond and white gold foliate brooch Set throughout with single and round brilliant-cut diamonds White gold 1.75 x 1.25 in; Gross weight 7.8 dwts

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 Platinum and Diamond Circle Broochthe circle brooch designed in a wreath motif and bead set with full cut round, transitional, and single cut round diamonds weighing approximately .65 total c

AN ANTIQUE DIAMOND SPRAY BROOCH designed as a floral spray, set throughout with rose cut, single cut and old cut diamonds totalling 4.0-5.0 carats, no assay marks, 6.8cm, 27.7g.

Platinum circle brooch with bow, set throughout with single and old mine-cut diamonds totalilng approximately 2.00 cts., graded G-H color and SI clarity, 7.5 gms gross, est: $600/800

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

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

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 DIAMOND BROOCH, CIRCA 1960 The stylised spray of scroll and foliate design, set throughout with brilliant, single and baguette-cut diamonds, mounted in platinum, diamonds approximately 3.00cts total

14 Karat Gold & 5.29 Carat Diamond Broochof scrolling foliate design centering a 0.50 carat round brilliant diamond and set throughout with round brilliant and single cut diamonds weighing a total of

A LATE 19TH CENTURY DIAMOND PENDANT/BROOCH, CIRCA 1890 The eight-rayed star set throughout with old brilliant and single-cut diamonds, mounted in silver and gold, diamonds approximately 4.50cts total,

AN AQUAMARINE AND DIAMOND BROOCH/PENDANT, CIRCA 1890 The openwork scrolling cartouche with foliate detailing and set throughout with rose-cut diamonds, with an oval-cut aquamarine to the centre, suspe