A stunning French Art Nouveau 18K yellow gold necklace comprising three large and four small gold plaques ornately engraved in a pattern of daisies and foliage. The links are set off at either end with a fancy baton-link chain. The plaques are exquisitely detailed and even the backs are lightly engraved with a reverse image of the daisies—a hidden luxury that speaks to the quality of the piece...

A particularly lovely Art Nouveau enameled 14K gold flower pin in the form of an iris. The flower is enhanced with iridescent enamels in delicate shades of green, cream and purple. A 3-point old mine cut diamond is nestled in the center of the blossom. The flower petals are deeply ruffled and finely engraved for added texture. The back retains the original clasp, stamped with the mark for Whiteside & Blank, but the pinstem has been replaced.

Origin: America, ca. 1900...

A very handsome 10K yellow gold man’s ring, the setting featuring an Art Nouveau take on Gothic arches. A bezel set oval brilliant-cut amethyst crowns the ring. Stones set in this style of ring can often appear too dark, but this amethyst has a pleasant moderate color that reads violet even from a distance. The interior of the shank is stamped with the maker’s mark for Larter and 10K.

Origin: America, ca. 1900. Condition: excellent, sharp detail...

A delightful Victorian 10K yellow gold figural ring in the form of a genie. The genie's hands are folded across his chest and grasp a old European cut yellow sapphire. The use of a fancy color sapphire in a piece such as this is quite original. The stone is graded as very light, very slightly grayish Yellow-Green (YG 2/3). The ring's shank is in the form of sinuous snake whose head peers over the genie's shoulder and gazes at the glimmering sapphire...

Art Nouveau period 18k yellow and white gold brooch set with rosecut diamonds and one seed pearl surrounded by square-cut natural sapphires. Tiny loops on back used for wearing as a pendant. All original, excellent condition Width: 1 3/8" Length: 1 1/4" Weight: 3.8 grams

An exceptionally fine Art Nouveau 14K yellow gold pin in the form of a pansy blossom highlighted with enamel. The enamel decoration is absolutely spectacular. Shades of translucent pink, chartreuse and maroon blend to create a very realistic, soft appearance. The flower is centered with an old European cut diamond of very fine quality, estimated at I color, VS clarity. The back retains the original pinstem, clasp and eyelet for a watch hanger...

A truly exceptional example of American Art Nouveau enameled gold jewelry, this pendant features a deeply three-dimensional waterlily enameled in translucent lavender. The blossom is surrounded by bright green leaves and another bud about to open. A pair of baroque freshwater pearls flank the blossom, and the whole is presented against a gold frame incorporating whiplash curves and suspending a freshwater dogtooth pearl...

An astonishing figural pendant necklace featuring a natural semi-baroque pearl in the shape of a pear, accented with platinum and 18K yellow gold leaves and a stem, all set with old European cut diamonds. The pearl has very fine orient, with all the colors of the rainbow skating over the creamy white surface. The diamonds are graded at an average of H/SI1...

A beautiful 18K yellow gold locket in the Art Nouveau taste, the front cover depicting a water nymph, her streaming hair entwined with seaweed studded with small rose-cut diamonds. Her ear is adorned with an earring in the form of a coral branch. Her head appears just above delicately rippling waves that high the word “Eau” for water. This design was part of a four-part series designed by Bargas representing the four elements of earth, air, fire and water...

A gorgeous enameled pansy, worked in several shades of bluish-purple is featured in this pendant converted from a Victorian pin. The enamel has a soft velvety appearance and is accented at the center with a pearl. The conversion was accomplished with the addition of a hidden bail the back of the flower...

A generously-sized 14K gold locket featuring the image of a young woman wearing a bandeau of old mine cut diamonds in her flowing hair that extends to the edges of the locket, appearing almost as cresting waves. The interior retains the original frame insert. Marked "14K".

• Origin: America, ca. 1900
• Dimensions: 1 1/4" diameter (excluding bail and jump ring)
• Condition: excellent, sharp detail; the back has a monogram removal
• Weight: 11.4 grams
• Approximate Tot...

A stunning Art Nouveau 14K yellow gold locket, the cover with repousse decoration illustrating the Byzantine Empress Theodora. Though we’ve never seen this particular design before, Byzantine motifs were widely used in Art Nouveau jewels, especially in France where they were copied from costumes created for the actress Sarah Bernhardt and posters by Alphonse Mucha. The Empress is sumptuously dressed in a flowing robe with a wide jeweled collar, bracelets and earrings. She wears a heavy crown a...

Rare and beautiful muff chain from the Art Nouveau period. Made with 18K yellow gold links in a stunning nouveau design, interspersed with faceted garnet beads, 31 links, 30 garnet beads, total. Links are 7mm wide, garnet beads are 7-8mm in diameter. Total length is 54 inches, total weight is 54.2 grams. Estimated weight of the gold links is 34 grams, estimated weight of the garnet beads is 20.2 grams. Excellent condition.

A very fine 14K yellow gold Art Nouveau locket, the cover decorated with a beautifully detailed depiction of the Viking god Odin, father of all gods and men. He is traditionally depicted wearing a helmet enhanced with horns and feathered wings. The locket retains its original glass insert. The back was never monogrammed. Tested and guaranteed 14K.

Origin: America, ca. 1900. Condition: excellent, sharp detail. Dimensions: 15/16” diameter.

A lovely Art Nouveau 14K yellow gold ring set with an oval brilliant-cut citrine. The setting is particularly elegant. The stone is flanked on either side by a golden fuschia blossom. The citrine is of the very best quality, with extremely saturated orangey-gold color and exceptional brilliance. The interior of the shank is stamped 585 for 14K.

Origin: Continental Europe, ca. 1900. Condition: excellent, sharp detail. Finger Size: 6-3/4. Weight: 5.7 grams. Approximate Total Gemstone Wei...

A stunning Art Nouveau 14K yellow gold pansy pin enameled in rich shades of dark plum, violet, cream and saffron. The jeweler used a matte enamel to suggest the velvety texture of pansy petals. The flower is centered with a prong-set round cut diamond that adds a nice sparkle against the matte enamel. The back of the pin is marked for 14K and also has a maker's mark that we've not seen before. The pansy is most definitely a Newark or New York piece and is very similar to pansies by Hedges an...

An elegant Art Nouveau cross pendant worked in a foliate design of 18K yellow gold overlaid with a sunburst of milgrained platinum set with rose cut diamonds and centering a larger old mine cut diamond. The gold surfaces are enhanced with chasing to enhance the naturalistic look of the swirling leaves. The center diamond, .20 carat, is I/VS2. The remaining diamonds cannot be accurately measured for size, but face up at about .40 carat. Tested and guaranteed 18K and platinum.

• Circa 190...

A beautiful Art Nouveau pendant necklace featuring a drop centering an oval opal surrounded by a wreath of translucent green-enameled laurel leaves. Further enameling accents the bottom and top of the drop. The pendant also incorporates pearls that are echoed at intervals along the chain. The natural pearls along the chain alternate in shades of vivid, pale pink and bluish-white. The opal has fine play of color, mostly in the blue and green parts of the spectrum with some flashes of orange a...