19th Century French Art Nouveau 18K Gold and Diamond convertible Necklace/ Brooch Pendant

GRAPE VINE FORM 18KT GOLD DIAMOND FRENCH ART NOUVEAU STYLE PENDANT BROOCH An impressive mid 20th century French Art Nouveau style 18kt Gold & Diamond Grape Vine Pendant Brooch, marked 'FRANCE 18K' wi

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

A handsome griffin with back-stretched wings, a lion’s head and a curling serpent’s tail grasps an old mine cut diamond in this 19th century French brooch and necklace slide. The hinged cl

Antique 19th century 18k yellow gold pendant brooch with original miniature painting set with diamonds and pearls. Miniature painting of a lady wearing a diamond necklace, earrings and hairpin surroun

Comprising French 18k gold fringe necklace and two pairs of hoop earrings; 18k gold mesh bracelet with tubular stations on reverse for pin stems, and earrings with rose cut diamonds and onyx with Fren

French Art Nouveau 18k gold dragon brooch with old mine and rose cut diamonds. Brooch measures 47mm x 35mm. Marked with French marks. Weight - 3.7 grams.

18K GOLD FRENCH ART NOUVEAU DIAMOND BUTTERFLY PENDANT 18K white gold Art Nouveau diamond butterfly pendant, set with European cut diamonds. French maker's mark on edge next to bail. Karat mark is worn

18K GOLD DIAMOND JADEITE SWAN CONVERTIBLE BROOCH PENDANT. Jadeite only W. 44 mm. H. 43 mm. Guarantee Natural Jadeite. GIA certificate is available upon buyer's request and cost. If fail to acquire GIA

This lot is accompanied by an Independant Gemologist Appraisal letterMarcus & Co style 18k gold emerald diamond and enamel, art nouveau antique brooch/pendant designed with one elongated, oval cabocho

Unusual 18k Gold, Opal & Diamond Pendant/Brooch, Signed. Art Nouveau Style. Chip on chin, mostly visible on reverse. Dimensions- Total Pin L- 2 1/2". Total Weight- 17.5.g. 11.3dwt.

Gemologist examined exceptional 19th century antique 18K yellow gold Serpent Mourning Pendant/brooch with diamonds, emeralds, garnets and rubies. One small loop was attached on one side using silver s

DESCRIPTION: A Balogh jewelers 18k yellow gold necklace comprised of a cuban link chain attached to a convertible gold necklace pendant/brooch. The pendant centered by a unique multifaceted cut Amethy

French, Early 19th century. Antique heart shaped necklace pendant with rectangular hand painted portrait of a woman holding a pearl and cameo necklace within an engraved 18k rose gold border with glaz

Hand painted young maiden portrait wearing a diamond necklace. Marked "585". Measures 1 1/2" x 1 1/2". Total weight 7 grams.

Art Nouveau Design Bee Diamond Tanzite 18K Gold Necklace Signed RDOArt Nouveau style necklace signed RDO 18k with a 14k gold rope chain. The pendant has a bee design set with a round brilliant cut dia

Outstanding Victorian 19th c sterling topped 18k yellow gold pendant / brooch having a center cabochon bezel set natural emerald 15 mm x 13 mm x 11 mm or 15 CTS, along with 5 round cut .15 ct natural

AN 18K GOLD, EMERALD AND DIAMOND NECKLACE Centering a convertible pendant brooch designed as the head of a pharaoh accented with round emeralds and diamonds suspended from a textured link chain, penda

together with an Art Nouveau rose-cut diamond set silver and 10k gold brooch; gross weight approximately 13.2g

18k yellow gold Centering a pear-shaped diamond weighing 1.31ct and graded light yellow color and VS clarity, surrounded by sixteen round diamonds totaling approximately 0.08ct 19" C 4.9 grams

Item: Late Victorian early Art Nouveau locket pendant, womans head with diamonds Country of origin: Although it does not carry any legible control marks we believe this to be of French or Belgian orig

Item/Description: Fabulous signed Felix Rasumny (1869 - 1940) 18K gold pin pendant. Art Nouveau brooch depicts an embossed beauty in profile with hand-set rose cut diamonds adorning her hair and neck.

XIX century

Victorian Diamond and Cobalt Enamel Pendant Necklace 15k yellow gold, fourth quarter 19th century, English, converted from a brooch, the oval pendant with guilloche cobalt enamel and set with a centra

Comprising five cast and engraved floral sections, suspends natural river pearl drop. Late 19th-early 20th c. French control marks for 18k. 16". 4.2 dwt. Provenance: From the treasured collection of a