An Art Nouveau Black Opal, Diamond and Demantoid Garnet Necklace 14K

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

1) 14K rose, green and yellow gold nature themed pendant featuring demantiod garnets and see pearls, pendant marked "56" Russian 14K gold standard, Moscow assay mark and makers mark, 2.34 in. L hangin

Title: Art Nouveau Yellow Gold Diamond Pearl and Demantoid Garnet Dragonfly Pin Brooch Description: Art Nouveau Yellow Gold Diamond Pearl and Demantoid Garnet Dragonfly Pin Brooch; 14k yellow gold; 3.

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.

The pear-shaped opal, 15.40 x 10.54 mm, within a nest of RBC diamond, approx. .33 ct. TW. and bright gold wire, on braided chain. 14k. 1 1/2" x 3/4", 18". 4.4 dwt.

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

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

This is an antique Art Nouveau 14K gold stickpin featuring a fine Yowah Australian boulder opal cabochon and two Old European cut diamonds. The diamonds are I clarity and HI color. It is 2 1/2" long a

Art Nouveau Style Diamond Necklace set in 14k yellow gold. Central bezel set diamond weighing 0.17 ct accented by 15 round diamonds weighing about 0.27 ct total. Back of pendant with two illegible mar

Antique Art Nouveau Old European Cut Diamond, Seed Pearl and 14 Karat Yellow Gold Pendant Necklace. Pendant measures 2" L, 3/4" W; chain measures 15"L. Approx. weight: 3.0 dwt. Condition: Very good an

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

A ladies's estate floral leaf design pendant crafted of 14k yellow gold featuring pearl and oval cut opals completed with a center round cut garnet. Marked "14K" to verso. Measures approx. 1 3/8" leng

Art Nouveau ring with opal. Features a floral form with oval 13mm x 10mm bezel set cabochon. Marked 14k Potter Mellen. Weighs 10 grams. Measures 20mm wide. Size 6. Good overall condition with minor we

Antique articulated pendant necklace 33 rose cut diamonds, approx. 1ctw 2 natural faceted peridot Ruby drop Detachable chain 14K gold and silver Pendant length: 1 3/4" Width: 1 1/4" Necklace

Antique pendant necklace 56 rose cut diamonds, approx. 1ctw 14K gold and silver Pendant length: 2 1/8" Width: 1" Necklace: 16" Total weight: 5.9 grams Provenance: Former inventory from a

Antique articulated drop pendant necklace 15 rose and mine cut diamonds, approx. .50ctw Blue sapphire, approx. .25ct 14K gold and silver Pendant length: 1 1/8" Width: 1" Necklace: 16" Tot

Art Nouveau 14K yellow gold opal, diamond and peridot stick pin, one oval opal accented by seven small round diamonds and five round faceted peridot stones. 2.812" L x 0.3125" W x 0.375" H. Opal appro

ART NOUVEAU DIAMOND/PEARL 14K YELLOW GOLD NECKLACE; WEIGHT 4.4 GR.

14K Gold Opal Diamond Ladies Ring. Art Nouveau mount with oval triplet and 3 diamond accents. Marked 14K. Size 7. -- Dimensions: --- Weight: 2 DWT --- US Shipping charge: $10

Antique circa 1908 American Art Nouveau Alling & Co. locket in 14k yellow gold, with enamelled portrait and diamonds. Locket depicting a beautiful woman wearing a crown and earrings surrounded by edge

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

Hammerman Brothers Turquoise, Black Onyx and Diamond Necklace 18k yellow gold, the Art Nouveau necklace composed of links mounted with twisted carved black onyx measuring 20.0 mm x 11.0 mm and cabocho

14K yellow gold opal and diamond necklace. The 11 carat, abstract opal is presented by brightly polished gold faceted figures, each finished with a band of bezel set diamonds ( 0.18 cttw.) clasping th