Art Déco diamonds brooch, circa 1925 Platinum and old

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

Circa 1925, platinum Centering two trapezoid shaped diamonds each gauged at 7.2mm - 5.4mm x 3.4mm (depth could not be determined due to a closed backing) each graded F-G color and VS clarity and one

AN ART DECO ONYX AND DIAMOND BAR BROOCH, CIRCA 1925 Set with two tapering onyx cabochons within a pierced surround set with old brilliant and single-cut diamonds, millegrain detailing throughout, moun

Circa 1925; Platinum Featuring three marquise cabochon green jade with the center gauged at 16.5mm x 6.2mm with a Mason Kay report dated July 27, 2022 stating natural jadeite jade - no indications of

An Art Deco diamond and platinum brooch circa 1930 designed as a dimensional ribbon bow set with single and old mine-cut diamonds, suspending articulated step-cut diamond fringe, terminating in old mi

DECO PLATINUM EUROPEAN CUT DIAMOND SAPPHIRE STICK PIN An Outstanding Antique Art Deco Platinum Old European Cut Diamond Sapphire Stick Pin, circa 1925, shines front and center with a bright and spark

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

Circa 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engra

Circa 1925 and crafted in platinum and yellow gold this art deco ring featuries (1) cabochon emerald weighing approximately 4.5ct with (27) old mine cut diamonds weighing approximately .25cttw. The ri

Circa 1920, centering an old mine cushion-cut diamond gauged at approximately 1.50cts. and graded I-J color and SI clarity surrounded by ninety-two single and full-cut round diamonds totaling approxim

AN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cut diamonds, within a border of calibre cut sapphires, the diamonds all totalling 1.4-1.6 carats, stamped

AN ART DECO DIAMOND RING, CIRCA 1920 in platinum, set with an old European cut diamond of approximately 1.10 carats in a fine pierced mount set with single cut diamonds, no assay marks, size J1/2

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

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

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

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 Platinum brooch with 14k gold stem, set with old mine cut diamonds. Center diamond approx. 0.65ct, side diamonds approx. - 0.84ctw. Brooch measures - 46mm x 19mm. Tested: Plat (brooch), Marke

Circa 1925, platinum The cream-colored cushion dial with black enamel Arabic chapters and blue steed hands, set with approximately one hundred eight-two single and baguette-cut diamonds totaling appro

Total approx. diamond weight of 4.2 cttw, approx. color of H, approx. clarity of VS2. Accompanied by a May 4th, 1999 appraisal stating this is, "Art Deco bracelet (circa 1925) Platinum, diamond, and o

A fantastic circa 1925, Art Deco diamond & Platinum bracelet, comprised of 82 single cut diamonds, (approx. 1.34 cts) and six baguettes (approx. .20 cts), with fantastic curvilinear form this ravishin

LAPIS LAZULI AND DIAMOND BAR BROOCH, 1930 CIRCA in platinum with bar centered with an Old European-cut diamond of approx. ct 0,50 surrounded by lapis lazuli and diamonds of approx. ct 1,30. French ass

Circa 1925, platinum Set with ninety-five full-cut round diamonds totaling 6.50ct, and graded G-H color and VS-SI clarity 15" C 30 grams Provenance: Property from the estate of Hollywood's Vera

AN ANTIQUE DIAMOND BROOCH, CIRCA 1910 in platinum, the rectangular face set formed of wirework designs, set with old cut and rose cut diamonds, unmarked, 2.8cm, 6.3g.

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