An Art Nouveau diamond and plique-a-jour enamel brooch.

French Art Nouveau diamond and plique-a-jour enamel brooch pendant The enamel thistle and leaves with plique-a-jour enamel background, rose-cut diamond frame, suspending a cultured pearl, c. 1900 Plat

Excellent large Art Nouveau 14K Gold, Seed Pearl and Diamond Plique-a-Jour enamel convertible Brooch/ Pendant / Necklace Art Nouveau 14K Gold, antique Seed Pearl and Diamond Plique-a-Jour convertible

18k gold dragonfly brooch in the Art Nouveau style with shaded blue and green plique-à-jour enamel wings, diamond head and abdomen, sapphire tail, 2 3/4" x 1 3/4"; Bisymmetric ring with central diamo

Antique Brooch composed by a Sapphire, Ruby, Emeralds small Pearls and rose cut Diamonds with a 1920s artistic lady portrait. Length: 1'' Height: 1.1''

Art Nouveau Enamel and gold sea nymph brooch The gold mermaid among plique-a-jour waves and fish, enhanced by old mine and rose-cut diamonds; 1890s Yellow gold 1.25 x 1 in; Gross weight 7.9 dwts

Antique Art Nouveau Plique a Jour Enamel Brooch. Antique Art Nouveau, silver frame, plique a jour enamel, amethyst and baroque seed pearl. Measures 1.75 inches in width.

Art Nouveau Plique a Jour Opaque enamel InseCt Brooch in gold tone with costume seed Pearl eyes, 2 x 1.5 in. Lightweight metal surface with radiating green enamel Rays and painted facial features, 1 i

Art Nouveau Diamond, Multi-Stone, Freshwater Pearl, Plique-à-Jour Enamel, Gold, Silver Jewelry Stones: Oval-shaped amethyst; European-cut diamonds weighing a total of approximately 0.15 carat M

Plique a Jour Enamel & Rhinestone Dragonfly Brooch. Measures 3.5 inches in width. Art Nouveau style.

Articulated pendant earrings in the Art Nouveau style with green and blue plique-à-jour enamel and diamonds, 18k, ca. 1995. Marked with maker's cypher B-273, 15/22. 1 7/16". 6.3 dwt.

Art Nouveau Style Yellow Gold and Plique-a-Jour Enameled Butter Fly Large Brooch Dimensions 2.25 Inches by 1.75 Inches Total Weight is aprox 20 Grams Condiiton Overall Very Good Pre-Owned Condition Pl

An Art Nouveau Pendant. 14 karat yellow gold pendant depicts an Art Nouveau styled female with a round diamond in her hair. Figure is framed on either side by plique-a-jour enamel. Suspended from the

A 14K Yellow Gold Art Nouveau Ring A 14K yellow gold Art Nouveau ring centering a plique-a-jour enamel crane motif surrounded by a diamond halo set in bezels with milgrain edge. The twenty old Europea

Art Nouveau plique a jour enamel nymph pendant and earring set, 14K yellow gold, pendant hanging on 15 in. thin chain, nymphs measure 1 in. L and 1.25 in. W, pearl and diamond accent, 12 grams

Art Nouveau style 18 K gold, enamel and pearl pin, featuring a fairy with plique-a-jour enamel wings each set with a diamond, 3 1/4 inches, 15.3 grams.

Three piece jewelry lot. Two brooch pins in traditional (DEPOSE) and plique a jour (DEPOSE, 900, HL for Heinrich Levinger) enamel; and one sterling silver ring set with moonstone.

Art Nouveau style dragonfly pin, gold over silver metal plique-a-jour enamel wings, emerald cabochon eyes, sapphire cabochon cluster body, diamond tentacles, diamond highlights in wings and diamond ta

18K yellow gold and 14K white gold Art Nouveau style plique-à-jour dragonfly brooch set with a cabochon opal, two cabochon aquamarine eyes and round cut diamond accents. Apparently unmarked but tes

Masriera Barcelona 18k Plique-a-Jour Nymph Brooch 3''x2.25''. Art Nouveau style brooch with winged nymph set with single cut diamonds and a border of square faceted cut rubies. Multi-colored plique-a-

18K. Circa 1920-30's Featuring a central cabochon in turquoise, surrounded by enamel, diamonds, plique a jour, and ending with pearl drops. Can be used as both a pin or pendant. Wonderful detail, desi

THREE ART NOUVEAU BROOCHES, one brooch (possibly a former central plaque for choker), of openwork foliate design, decorated with green enamel plique-a-jour, with baroque pearl highlights, mounted in s

Silver 900, Art Nouveau, German assay mark and goldsmith mark 'Meyle and Mayer’ C. 1900, figurative decoration with enamels, Plique-à-jour, lake and waterlily. Approx. weight:5.6grs. Dim.:4.

brooch, art nouveau around 1900, yellow gold 585/000, unsigned, Plique-à-jour with delicate purple and green beige color shades, small diamond and 1 pearl, c. 33.9 x 17.9 mm, pin is metal gilded, nic

MEYLE & MAYER, AN ANTIQUE ART NOUVEAU PLIQUE A JOUR ENAMEL AND OPAL DRAGONFLY PENDANT in silver, the shield shaped pendant with an applied dragonfly decorated with a pearlescent enamel body and plique