18kt. Art Nouveau Opal Necklace

Antique Art Nouveau 14kt Diamond & Opal Necklace Pendant. Set with two diamonds and a pear shaped doublette black opal. Measures 1.5 inches in length. Hallmarked. Black enamel detail.

Pendant measuring 4.5cm x 2.5cm.

Art Nouveau 14k gold opal and ruby necklace, 15 3/4" swag chain with bezel set rubies. 1 1/2" center drop with opal and ruby pendant, stamped 14k on chain, weight 5.1 grams/3.3 dwt

Stunning Art Nouveau Black Opal Diamond and Demantoid Garnet Necklace 14K Gold. Articulated pendent supporting two fancy-cut black opals, accented by old mine-cut diamonds and demantoid garnets. &bull

18KT GOLD AND TURQUOISE NECKLACE 18KT GOLD AND TURQUOISE NECKLACE in art nouveau taste, this necklace is comprised of layered turquoise beads with two gold resilles with each with twenty-three round

Art Nouveau Era 14k Yellow & green gold leaf motif Lavalier Necklace. Set with 3 2.3mm opal gemstones, 2.6mm seed pearl & 3.4 X 7mm baroque pearl drop. Measures, 12.5 inches long ¾ inch wide.

Art Nouveau fairy design, back of pendant stamped "14K", pendant 2-1/2 x 1-1/8 in.; on thin chain stamped "750", 18kt. yellow gold, approx. 20 in. lg., 7.7 grams Note: Brunk Auctions makes no warranty

Lot of two antique filigree and art nouveau necklace pendants. One features a baroque pearl and an opal. While the second has a purple amethyst and a baroque pearl. Measures 1.75" each. Opal pendant m

Title: Art Nouveau Opal Diamond Enamel Pendant—Brooch 14k Additional Information: Vintage from the 1910s Materials: Gold Gemstone: Opal Style: Art nouveau Description Ombré enamel surrounds

Art Nouveau necklace, probably Levinger & Bissinger , Pforzheim approx. 1900/05, silver, partly gilded, slightly rubbed, abstr.floral arrangement, plique-a-jour enamel in light green and dusky pink, b

portrait of a woman, floral design, enamel, pearl, stamped "18K", yellow gold, 1-1/8 x 1 in., 6.3 grams Provenance: Estate of the Artists James McBey and Marguerite McBey, London, England; by descent

Necklace with diamond and freshwater pearl

14K yellow gold hinged bangle bracelet featuring very fine opal with blue and green play-of-color set horizontally in center with small diamond accents in shell and leaf design, box clasp with safety

pendant with fluted yellow gold frame to each side and with one bezel set rectangular cushion cut orange topaz weighing approximately 5.15 carats with a diamond accented bar surmount set with eight Ol

Walton & Co. Art Nouveau Opal, 14k Yellow Gold Ring. Designed as a dragon encompassing an egg, centering one oval opal cabochon measuring approximately 14.9 x 10.2 x 5.3 mm, set in a 14k yellow gold m

Iva B. Kempshall - Boston sterling silver Art Nouveau necklace with inset abalone cabochons and handmade twisted chain dated 1912. Signed "IBK BOSTON 1912". 19″ length. Pendant 3″w x 1.5&#

1) Gilt, malachite scarab is the focus with enamel wings and white with green enamel chain, 18 in. L and 2) gilt, bead set turquoise drops in a classic lariat style necklace, plunger clasp, 19 in. L

Art Nouveau Necklace and Pendant Art Nouveau Necklace and Pendant. Weighs 18.2 grams. Pendant: 70mm x 27.2mm approx. 19" Necklace. No apparent markings. 

Art nouveau necklace RG 333/000 with round faceted synth. sapphires 6,2 and 3 mm and seed pearls, chain with box clasp and SI eight, l. 45,5 cm, 3,9 g

14 kt gold Art Nouveau necklace with sapphires , german approx. 1900/05, YG 585/000, middlepart with bevelled sapphires, partly with suspensions, pearl border decor, l. approx. 42cm

Art Nouveau Opal, peridot, and gold brooch Of scrolling design, set with a cabochon opal and circular-cut peridots; 1910s 15k yellow gold 1 in; Gross weight 2.1 dwts This work will shi

Three sterling silver Art Nouveau necklaces including circa 1915 multi lapis festoon shaped design, early cabochon pink glass stone fringe and green celadon with marcasite.

Consisting of a cable chain with seven pearls, two coral cabochons measuring approximately 6.2mm round, and one coral drop measuring approximately 13.10mm x 7.36mm. 15.75" long. 5.0 dwt.

An Art Nouveau opal and split pearl pendant/brooch, openwork scroll design with a central rubover set oval cabochon opal, approximately 8 x 5.9mm, estimated approximate weight 0.80ct, surrounded by sp