AN ART DECO DIAMOND BROOCH the openwork body jewelled throughout with old cut and rose cut diamonds,

AN ART DECO DIAMOND AND PEARL PENDANT in platinum, the openwork scrolling body set with two pearls and four old cut diamonds, jewelled with further rose cut diamonds, on a later silver chain, 6.1cm, 8

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

AN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the body terminated by drop shaped motifs set with black onyx cabochons within borders of old and rose cut diamonds, unmarked, 8.3cm, 7.3g.

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

Diamond Brooch 18k Art Deco Brooch 750 thousandths centered with an old cut diamond set in a stylized openwork setting punctuated with crowned roses. French craftsmanship from around 1930. 2.13"

LACLOCHE FRÈRES: ART DECO DIAMOND-SET BROOCH, CIRCA 1925 The onyx plaque, applied with a giardinetto motif set with carnelian cabochons, old single-cut and rose-cut diamonds, the geometric border

AN ANTIQUE DIAMOND STAR BROOCH, 19TH CENTURY in yellow gold and silver, designed as a star with twelve arms, jewelled throughout with old circular cut and rose cut diamonds, the diamonds all totalling

AN ART DECO DIAMOND BAR BROOCH, CIRCA 1940 in platinum, set with a row of graduated old cut diamonds accented by rose cut diamonds, all totalling 0.8-0.9 carats, with engraved foliate decoration to th

AN ART DECO DIAMOND ARROW JABOT PIN BROOCH the head and feathers set with old and rose cut diamonds, no assay marks, 6.7cm, 2.9g.

METAL: Platinum. GEMSTONES: old mine and rose cut diamonds approx. 263 stones., center stone is approx. 0.70ct. MEASUREMENTS: Brooch is 57mm x 40mm. TESTED: Platinum. WEIGHT: 18 grams.Gemstones have n

An Art Deco diamond plaque ring of angular design, set throughout with graduated old round and rose-cut diamonds, unmarked(Ring size: P)

Nice looking Art Deco Brooch crafted in Platinum, Set with Old mines and Rose cut Diamonds Approx. 1.48ctw (Center Old mine Diamond is Approx. 0.50cts. H color, SI clarity). Accented with Natural Blue

METAL: 14k Gold/Gold Back. GEMSTONES: Old mine and rose cut diamonds approx. 63 stones. Sapphire (one stone is missing). Multiple stones are chipped. MEASUREMENTS: Brooch is 49mm x 25mm. TESTED: 14k.

AN ART DECO DIAMOND BROOCH in platinum, the rectangular form jewelled with old cut diamonds in Art Deco motif, unmarked, 5.5cm, 10.08g.

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

KOCH: ART DECO SAPPHIRE AND DIAMOND GIARDINETTO BROOCH, CIRCA 1920 The pierced vase millegrain set with old brilliant, single and rose-cut diamonds, issuing similarly-set leaves and carved sapphire fl

AN ANTIQUE DIAMOND PENDANT / BROOCH of Art Deco design jewelled with round and rose cut diamonds, unmarked, 5.6cm, 7.35g.

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. 

Art Deco old cut diamond brooch GG/WG 585/000 with old cut diamonds and diamond roses, total 0,30 ct W/SI-PI, l. 72 mm, 4,9 g

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

Platinum 18k Weight 5.52g Art Deco Rose Cut & old Mine Diamond Approx. 0.50ct Brooch Measurements 0.7inx1.8in

An Art Decó old-cut diamond brooch, platinum, unmarked, tested, with 51 old-cut diamonds and 16 diamond roses, weighing 5.58 ct fine white-slightly tinted white+ (G-I) /VVS-SI, l. 44 mm, 9.99 g, with

BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the pri