A diamond plaque brooch.

containing two old European cut diamonds [H-I/I] weighing approximately 0.55 carats total; 120 old European cut diamonds [I-J/SI] weighing approximately 5.90 carats total; and 18 baguette cut diamonds

1920’ Platinum Weight 22.34gr Measurement 2.68”x1.68” Diamond 3.2gr Plaque Brooch

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

Antique cut diamond plate brooch in platinum. Brooch made of platinum set with rose cut diamonds in openwork motifs and three illusion claw centers with three antique cushion cut diamonds of approx. 0

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 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

An 18K gold brooch with diamonds and a carved jadeite plaque. The brooch is set with 11 diamonds totaling approximately .22 ctw. Total Weight: 15.5 grams (.5 ozt). Dimensions are: 2 1/2 inches long X

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

AN ART DECO DIAMOND, ROCK CRYSTAL AND ENAMEL BROOCH the rectangular plaque with pierced diamond-set leaves, spaced by frosted rock crystal and diamond panels, between black enamel and diamond borders.

AN EARLY 20TH CENTURY PLAQUE BROOCH the pierced lozenge-shaped plaque milgrain-set throughout with round brilliant-cut and eight-cut diamonds. Estimated total diamond weight 3.75ct, marked '18CT' and

Nice Egyptian motif Plaque Brooch crafted in 18k white Gold, featuring the shape of two animals made from Black Onyx, on a Pave Diamonds set weighing Approx. 2.05 carats. And Accented with natural Blu

A 29th century 14k gold brooch. With an enamel plaque set with diamonds (old cut). Dimensions: 3X2 cm, total weight: 8.2 grams. Unmarked, tested gold.

Art Deco Platinum  Weight 18.03gr Measurement 1.28”x2.21” Plaque Diamond Approx 3.5ct Vs1-SI1 I-M Brooch 

A LATE 19TH CENTURY BROOCH AND EARRING SUITE, each star-set with single-cut diamonds within lobed oval plaques accented by seed pearls, the brooch with a locket back, the earrings with hook fittings.

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

TRIO, CONVERTIBLE YELLOW GOLD, JADE AND DIAMOND PENDANT/BROOCH NECKLACE Consisting of a textured gold link necklace containing 11 carved and pierced jade plaques, with removable pendant/brooch contain

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

NATURAL PEARL AND DIAMOND BROOCH, LATE 19TH CENTURY Of openwork plaque design, set with an 8.6 x 9.1 x 6.5mm natural button pearl, cushion and rose-cut diamonds and pearls, diamonds approx. 1.80cts to

French porcelain 14K yellow gold and diamond brooch highlighting a central porcelain plaque with a left profile of a French lady, reverse signed 'Made in France'. Framed in an ornate open scroll work

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

Circa 1920's; Total Gemstone weight 6.96ct; Scalloped filigree plaque set throughout with diamonds and synthetic sapphires. Largest diamond is .52ct; Appraisal upon request. 17.6 grams

EDWARDIAN, DIAMOND AND ENAMEL BROOCH Consisting of a circular light pink guilloché enameled plaque surmounted with a diamond encrusted flower and diamond garland surround and mother-of-pearl back

PABLO: HARDSTONE AND DIAMOND-SET BROOCH The hardstone oval plaque, overlaid with two abstract, textured figures and a central brilliant-cut diamond accent, signed Pablo, length 6.7cm

A Bicolor Gold, Diamond and Polychrome Enamel Pendant/Brooch, containing a round polychrome enamel plaque and a peasant woman in a pastoral measuring approximately 21.81 mm in diameter surrounded by d