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Nouveau 1910 Jewelry

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Liberty Art Nouveau Silver Enamel Buckle, 1910
By Haseler Brothers
Located in Toronto, ON
Liberty and Co Art Nouveau Arts and Crafts Silver Enamel Buckle, Birmingham 1910 by Haseler for
Category

Early 20th Century English Art Nouveau Enamel Frames and Objects

Art Nouveau Pansy Flower Diamond Enamel Brooch Pendant Chain, 1910
Located in Herzelia, Tel Aviv
Art Nouveau Pansy Flower Diamond Enamel Brooch or a Pendant on a Chain. So delicate and so natural
Category

Early 20th Century Brooches

Materials

Diamond, Enamel

Art Nouveau Sterling Overlay Green Vase, American, C.1910
Located in Toronto, ON
Art Nouveau Sterling overlay green Vase, American C.1910. Tapered bulbous form, the lower section
Category

Early 20th Century Art Nouveau Vases

Art Nouveau Original circa 1910 Diamond, Natural Pearl Enamel
Located in Carmel-by-the-Sea, CA
Art Nouveau Original circa 1910 in 18 Karat Yellow Gold. A beautiful woman is depicted in this
Category

Antique Late 19th Century Art Nouveau Drop Necklaces

Materials

Diamond, Natural Pearl, 18k Gold

Large Diamond Yellow Gold Cat Brooch, 1910
Located in Chicago, IL
Circa 1910 18K yellow Gold Cat brooch, measuring 1 3/4 X 1 5/8 inch and weighing 33.5 Grams. The
Category

Vintage 1910s Unknown Art Nouveau Brooches

Materials

Diamond, 18k Gold

Art Nouveau 1910 Charms Bracelet In 14Kt Gold With Multi Gemstones And Enamels
Located in Miami, FL
Rare and unusual charms bracelet from the art nouveau period. This is one of the most beautiful
Category

Vintage 1910s English Art Nouveau Charm Bracelets

Materials

Diamond, White Diamond, Garnet, Pearl, Black Pearl, Freshwater Pearl, Ru...

Art Nouveau Murrle Bennet 15K Yellow Gold and Australian Opal Necklace C.1910
By Murrle Bennett Co.
Located in New York, NY
Art Nouveau Murrle Bennett 15k YG and Australian Opal Necklace c.1910 Murrle, Bennett & Co.’s
Category

20th Century English Art Nouveau More Necklaces

Materials

Opal, Yellow Gold, 15k Gold

Antique Russian Art Nouveau Gold Chalcedony Bracelet, Circa 1910
Located in Kingston, NY
shaped mark, with a 56 Russian gold standard and a later soviet mark, probably of the Barnaul jewelry
Category

Early 20th Century Retro Bracelets

Materials

Chalcedony, Gold

Art Nouveau Sterling Silver Grotesque Mask Cufflinks
Located in Lexington, KY
This fantastic pair of Art Nouveau cufflinks is in sterling silver and has a skillfully crafted
Category

Vintage 1910s Art Nouveau Cufflinks

Materials

Sterling Silver

Art Nouveau Gold Dog Cufflinks
Located in London, GB
A pair of Art Nouveau dog cufflinks, with hound type dog heads, in high relief work, on oval
Category

Vintage 1910s American Art Nouveau Cufflinks

Materials

14k Gold, Yellow Gold

Simmons Art Nouveau 14 Karat Gold Bangle Bracelet
Located in Philadelphia, PA
Classic Art Nouveau delicate gold work Inner Circumference: 7 1/2 inches, Width: 4.6 mm Total Weight: 6.1
Category

Vintage 1910s Art Nouveau Cuff Bracelets

Materials

14k Gold

Art Nouveau Diamond Gold Gargoyle Cufflinks
Located in Carmel-by-the-Sea, CA
18k yellow gold cufflinks, classic style with a 3/4 inch “disc” depicting a gargoyle with a diamond and connected by a chain to the equally-decorated back. Subtle, yet very detailed ...
Category

Vintage 1910s Art Nouveau Cufflinks

Materials

Diamond, 18k Gold

Antique French Golden Necklace in original case, France, circa 1910.
Located in Chorzów, PL
Antique filigree necklace made of 18-carat gold (0.750 fineness), French Art Nouveau, circa 1910
Category

Vintage 1910s French Art Nouveau Chain Necklaces

Materials

18k Gold

Art Nouveau 14k Gold Scarab Bangle Bracelet Estate Jewelry Antique
Located in Beverly Hills, CA
resurrection, was ubiquitous in ancient Egyptian religious and has been used in jewelry making for ages.
Category

Vintage 1910s Unknown Bangles

Materials

Carnelian, Diamond, Ruby, Yellow Gold, 14k Gold

Antique Silver Art Nouveau Floral Chain
Located in Stamford, CT
Nouveau period c. 1910 when nature was strongly represented in jewelry. The chain is English in origin
Category

Vintage 1910s British Art Nouveau Chain Necklaces

Materials

Sterling Silver

Art Nouveau Diamond Enamel 14 Karat Gold Flower Brooch
Located in Philadelphia, PA
for Moore & Son Inc. Circa: 1910 Measures: 1 1/16 x 1 1/8 inches Total weight: 6.9 grams Delicate
Category

Vintage 1910s Art Nouveau Brooches

Materials

Diamond, White Diamond, Gold, 14k Gold, Yellow Gold, Enamel

Art Nouveau Yellow Gold Ring
Located in Geneva, CH
Art Nouveau Yellow Gold Ring.
Category

Vintage 1910s Art Nouveau Signet Rings

Materials

Coral, Yellow Gold

Antique Edwardian Pearl Enamel Pendant Necklace 15K Gold Art Nouveau c.1910
Located in London, GB
We are delighted to offer this alluring antique Edwardian enamel pendant necklace made c.1910
Category

Early 20th Century Pendant Necklaces

Materials

Pearl, 15k Gold, Enamel

Riker Brothers Art Nouveau Plique-A-Jour 14 Karat Gold Hat Stickpin
By Riker Brothers
Located in Philadelphia, PA
hinge for versatility Stamped 14K for 14 karat gold Maker's mark for Riker Brothers Circa: 1910 Head
Category

Vintage 1910s Art Nouveau Brooches

Materials

Gold, 14k Gold, Yellow Gold, Enamel

W.F. Cory Bro. Art Nouveau Bloodstone 14 Karat Gold Men s Cufflinks
Located in Philadelphia, PA
Link style cufflinks with matching oval shaped ends Bezel set with oval cut tablets of bloodstone measuring approximately 15.4 x 11.5 mm With dark bluish-green body color and brigh...
Category

Vintage 1910s Art Nouveau Cufflinks

Materials

Gold, 14k Gold, Yellow Gold

Moore Son Art Nouveau Peridot Pearl 14 Karat Yellow Gold Stickpin
Located in Philadelphia, PA
& Son Circa: 1910 Top measures: 1/2 x 9/16 inch Total length: 2 5/16 inch Total weight: 2.1 grams
Category

Vintage 1910s Art Nouveau Brooches

Materials

Pearl, Peridot, Gold, 14k Gold, Yellow Gold

Art Nouveau 18K Yellow Gold Enameled Bird Brooch
Located in North Hollywood, CA
This art nouveau brooch is lovely and enameled a beautiful cream to robins egg blue. This brooch
Category

Vintage 1910s British Art Nouveau Brooches

Materials

Diamond, Pearl, Ruby, Yellow Gold, Enamel

Art Nouveau Enamel Dragon Brooch 14k Gold
Located in Lewisburg, PA
rare and imaginative creation from a renowned Newark jewelry house, this piece exemplifies the
Category

Vintage 1910s Art Nouveau Brooches

Materials

Amethyst, Diamond, Pearl, 14k Gold

Antique Art Nouveau Gold Heart Locket
Located in New York, NY
photographs. Made in 14k yellow gold, it is a beautifully executed cameo heart locket circa 1910. The locket
Category

Vintage 1910s American Art Nouveau Pendant Necklaces

Materials

14k Gold

Riker Bros. Art Nouveau Enamel Ruby Diamond Pearl Serpent Dragon Sword Brooch
Located in Philadelphia, PA
A polychrome enamel winged serpent, with white, blues and greens Serpent coiled around a sword with a pearl studded hilt With a tiny rose cut diamond eye and round cut ruby accent ...
Category

Vintage 1910s Art Nouveau Brooches

Materials

Diamond, Natural Pearl, Ruby, 14k Gold

Art Nouveau Yellow Gold and Diamond Face Ring
Located in Chicago, IL
Circa 1910 Art Nouveau 14K Yellow Gold Face Ring, appearing to be a Man in a headdress that is set
Category

Vintage 1910s Unknown Art Nouveau Fashion Rings

Materials

Diamond, 14k Gold

Art Nouveau 14 Karat Gold Crossed Fish Pisces Zodiac Charm
Located in Philadelphia, PA
Completed by jump ring bale Tested as 14 karat gold Circa: 1910 Measures: 1/2 x 5/8 inch Total weight
Category

Vintage 1910s Art Nouveau Charm Bracelets

Materials

Gold, 14k Gold, Yellow Gold

Antique 18 Kt French Art Nouveau Necklace
Located in Stamford, CT
is graceful and lacy as its links graduate all around the neckline. French Art Nouveau jewelry took
Category

Vintage 1910s French Art Nouveau Link Necklaces

Materials

18k Gold

c. 1910 Patek Philippe Vintage Unisex Chronometro Gondolo Fancy Dial Watch
By Patek Philippe
Located in Suwanee, GA
. HOW CAN WE SERVE YOU? c. 1910 PATEK PHILIPPE Vintage Ladies Unisex Chronometro Gondolo Fancy Dial
Category

Vintage 1910s Swiss Art Nouveau Wrist Watches

Materials

18k Gold

Antique Art Nouveau Purple Enamel Pansy Pendant Brooch
Located in New York, NY
; which means to think. There are examples of pansy images and motifs in jewelry since before the
Category

Vintage 1910s American Art Nouveau Brooches

Materials

Pearl, 14k Gold

Art Nouveau 14k Diamond Demantoid Repousse Bangle
Located in Narberth, PA
A gorgeous gemstone bangle bracelet from the Art Nouveau (ca1910s) era! Crafted in 14k vibrant
Category

Vintage 1910s Art Nouveau Bangles

Materials

Diamond, Garnet, 14k Gold

Art Nouveau Enameled Black Opal Gold Ring
Located in Narberth, PA
stones used in fine jewelry! Outstanding, spectacular An extraordinary black opal ring from the Art
Category

Vintage 1910s Art Nouveau Cocktail Rings

Materials

Opal, 14k Gold

Art Nouveau Light Smokey Quartz 18 Karat Gold Gemstone Ring
Located in Philadelphia, PA
: 1910 Ring Size: 6 & sizable Measures: 2.5 mm wide and sits 6.5 mm high Total weight: 6.4 grams
Category

Vintage 1910s Art Nouveau Fashion Rings

Materials

Quartz, Gold, 18k Gold, White Gold

Art Nouveau 14 Karat Gold Opal Pearl Winged Griffin Crown Brooch Watch Pin
Located in Philadelphia, PA
, locking clasp and watch bale Tested as 14 karat gold Circa 1910 Measures: 1 1/8 x 7/8 inches Total
Category

Vintage 1910s Art Nouveau Brooches

Materials

Opal, Pearl, Gold, 14k Gold, Yellow Gold

Art Nouveau Antique Turquoise Pearl Gold Necklace
Located in Chicago, IL
Circa 1910 This Art Nouveau era 14K yellow gold necklace is embellished with turquoise cabochons
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

Pearl, Turquoise, Gold, 14k Gold, Yellow Gold

Art Nouveau 14 Karat Gold Realistic Horse Charm
Located in Philadelphia, PA
Stamped 14 for 14 karat gold Measures: approx. 7/8 x 3/4 (including bale) inch Circa 1910 Total weight
Category

Vintage 1910s Art Nouveau Charm Bracelets

Materials

14k Gold

Art Nouveau 14k Diamond Lorgnette Chain
Located in Narberth, PA
Art Nouveau jewelry lover! Measurements: The chain measures 26" in length and the center extension
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Art Nouveau Amethyst 14 Karat Gold Scrolled Filigree Bangle Bracelet
Located in Philadelphia, PA
color Tested as 14 karat gold Circa: 1910 Inner circumference: 7 1/2 inches Width: 5/16 inch Total
Category

Vintage 1910s Art Nouveau Bangles

Materials

Amethyst, Gold, 14k Gold, Yellow Gold

Art Nouveau Amethyst 14 Karat Gold Scrolled Filigree Bangle Bracelet
Located in Philadelphia, PA
color Tested as 14 karat gold Circa: 1910 Inner circumference: 7 1/2 inches Width: 5/16 inch Total
Category

Vintage 1910s Art Nouveau Bangles

Materials

Amethyst, Gold, 14k Gold, Yellow Gold

Antique Art Nouveau Diamond Gold Enamel Egyptian Revival Lady Scarab Pin
Located in Miami, FL
enamel accents. This Art Nouveau antique piece has a textured finish and is enhanced on every end by two
Category

Vintage 1910s Art Nouveau Brooches

Materials

Diamond, Gold, Enamel

Art Nouveau Pearl Ring of 14k Gold
Located in Lewisburg, PA
Art Nouveau Baroque Pearl & 14K Gold Leaf Ring, circa 1910 This enchanting Art Nouveau ring
Category

Vintage 1910s Art Nouveau Fashion Rings

Materials

Pearl, 14k Gold

1910s Antique Art Nouveau 18 Karat Gold Mother Locket Pendant
Located in Miami, FL
This antique art nouveau locket pendant* of highly ornate aesthetic is crafted in a combination of
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

18k Gold

Art Nouveau Black Opal Diamond Enameled Ring
Located in Narberth, PA
desirable stones used in fine jewelry! An extraordinary black opal ring from the Art Nouveau (ca1900) era
Category

Vintage 1910s Art Nouveau Fashion Rings

Materials

Diamond, Opal, 14k Gold

Art Nouveau Plique a Jour Enamel and Diamond Dragonfly Brooch
Located in Hummelstown, PA
A beautiful symbol of grace and change, perfectly embodied in this enchanting Art Nouveau dragonfly
Category

Vintage 1910s Art Nouveau Brooches

Materials

Diamond, Ruby, 18k Gold, Enamel

Art Nouveau Enamel 14 Karat Gold Star Propeller Plane Charm
Located in Philadelphia, PA
Charm designed as a whimsical plane featuring an articulated propeller With wide rectangular wings decorated with two bright blue enamel stars exhibiting no loss; consistent with ag...
Category

Vintage 1910s Art Nouveau Charm Bracelets

Materials

Gold, 14k Gold, Yellow Gold, Enamel

Art Nouveau Jade Ring of 14k Gold
Located in Lewisburg, PA
An elegant Art Nouveau jewel(circa 1910-1920), this antique ring showcases a luminous jade cabochon
Category

Vintage 1910s Art Nouveau Solitaire Rings

Materials

Jade, 14k Gold

Tiffany Co. Art Nouveau 18 Karat Gold Unisex Lion Signet Ring
By Tiffany Co.
Located in Philadelphia, PA
Fully signed Tiffany & Co. with an inscription Circa: 1910 Ring Size: 7 1/2 & sizable Measures North
Category

Vintage 1910s Art Nouveau Signet Rings

Materials

Gold, Yellow Gold, 18k Gold

Art Nouveau 14 Karat Gold Black Opal Flower Ring
Located in Philadelphia, PA
gold Circa: 1910 Ring Size: 5 1/4 & sizable Measures: 13mm wide Total Weight: 3.0 grams Teal
Category

Vintage 1910s Art Nouveau Fashion Rings

Materials

Opal, Black Opal, Gold, 14k Gold, Yellow Gold

Sloan Co. Art Nouveau Enamel 14 Karat Gold Locket, circa 1915
By Sloan Company
Located in Philadelphia, PA
gold Circa: 1910 Measures: 15/16 x 1 1/2 inches (including bale) Total weight: 9.0 grams Beautiful
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

Gold, 14k Gold, Yellow Gold, Enamel

Krementz Art Nouveau Enamel and Pearl Swan Brooch
Located in London, GB
: 14ct gold Period: Art Nouveau, Circa. 1910 Marked: Krementz makers mark Box: Plain Gift Box
Category

Vintage 1910s American Art Nouveau Brooches

Materials

Diamond, Pearl, Gold, 14k Gold, Yellow Gold, Enamel

Art Nouveau Antique Russian Demantoid Gold Pendant
Located in Chicago, IL
Made in Moscow between 1908 and 1917. This large Art Nouveau floral motif pendant is crafted in
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

Garnet, Gold, 14k Gold, Rose Gold

Art Nouveau Sterling Silver/Gold Guilloche Watch Pin/Pendant
Located in Narberth, PA
Nouveau (ca1910s) era! Crafted in sterling silver and gold fill, the face of this unique watch is white in
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

Gold, Sterling Silver, Enamel

Art Nouveau Emerald Diamond Trilogy Engagement Ring
Located in Santa Barbara, CA
Galleries Santa Barbara, CA. Condition: Very Good Era: Art Nouveau Year: 1910 Metal: 18k Gold, Platinum
Category

Vintage 1910s Art Nouveau Engagement Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold, Platinum

Art Nouveau Sapphire Diamond Enamel Gold Brooch
Located in Chicago, IL
Original antique Art Nouveau partially enameled openwork gold & silver brooch / pin, circa 1915
Category

Vintage 1910s Art Nouveau Brooches

Materials

Diamond, Sapphire

Art Nouveau Enamel Pansy Pendant of 14k Gold
Located in Lewisburg, PA
Art Nouveau Enamel Pansy Pendant (c. 1910) A jewel of botanical elegance, this antique Art Nouveau
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

Diamond, 14k Gold, Enamel

Art Nouveau 18k/Platinum Diamond Repousse Goddess Locket
Located in Narberth, PA
A gorgeous locket from the Art Nouveau (ca1910s) era! This lovely piece is crafted in 18k yellow
Category

Vintage 1910s Art Nouveau Pendant Necklaces

Materials

Gold, 18k Gold, Yellow Gold, Platinum

Art Nouveau 20 Karat Gold Arabesque Link Bracelet
Located in Santa Barbara, CA
: Good, wear consistent with age Era: Art Nouveau / Arts & Crafts Year: 1910 Metal: 20k Yellow Gold
Category

Vintage 1910s Art Nouveau Link Bracelets

Materials

Diamond, Ruby, 18k Gold, Yellow Gold, Gold

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Nouveau 1910 Jewelry For Sale on 1stDibs

Surely you’ll find the exact piece of nouveau 1910 jewelry you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Each design created in this style — which was crafted with great care and often made from gold, 14k gold and yellow gold — can elevate any look. You can easily find a 1298 antique edition and 1 modern creations to choose from as well. Finding the perfect item from our selection of nouveau 1910 jewelry may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic choice in our collection of nouveau 1910 jewelry over the years, but those made by Georg Jensen, Tiffany Co. and Riker Brothers are often thought to be among the most beautiful. An object in our assortment of nouveau 1910 jewelry can make for a versatile accessory, but a selection from our variety of 355 diamond versions can add an especially stylish touch. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes old european cut and oval cut alternatives. Most of our nouveau 1910 jewelry for sale are for women, but there are 399 pieces available to browse for men.

How Much is a Nouveau 1910 Jewelry?

On average, a piece of nouveau 1910 jewelry at 1stDibs sells for $2,362, while they’re typically $100 on the low end and $175,000 for the highest priced versions of this item.

A Close Look at Art-nouveau Jewelry

Art Nouveau — generally considered to have begun in the late 1800s and ended with the start of World War I — was a movement in the decorative arts that drew inspiration from natural forms, such as trees, flowers and, of course, the human figure. The three main themes present in Art Nouveau jewelry and watches were flora, fauna and women.

Art Nouveau, which reached its pinnacle in the year 1900, spawned from artists who rejected the historicism of their predecessors to create an entirely new visual vocabulary. As compared to Art Deco jewelry’s geometric patterns and sharp lines, the extravagant style of antique Art Nouveau jewelry is characterized by curvilinear forms and whiplash lines, vibrant materials and dramatic imagery.

The first art and design movement of the 20th century, Art Nouveau was also a reaction against the Industrial Revolution, and took its inspiration from the theories of the Symbolists, the art of the Pre-Raphaelites, the ideas of John Ruskin and his follower William Morris and, most importantly Japanese crafts. (The country was a fertile ground for inspiration after it was opened to the West in 1854.) The Art Nouveau style touched all manners of the arts, including the most exultant jewelry.

Nature was a favorite muse for artists going back to the 18th and 19th centuries, but in the hands of 20th-century artists, it was depicted in new ways. For example, a withering flower was considered just as beautiful as one in full bloom. Winged creatures, such as insects and birds, were also a popular subject. Dragonflies and butterflies were particular favorites because they morphed so dramatically in different life stages.

This was also a reference to women, whose role in society was evolving. It was not uncommon to see a piece of jewelry that would at once reference a woman as a winged creature (think René Lalique’s famous Dragonfly brooch, circa 1897–98, at the Gulbenkian Collection in Lisbon). However, just as women’s roles were ambiguous, so was their image, as the femmes nouvelle were simultaneously eroticized and romanticized.

In addition to Lalique, vital figures in Art Nouveau jewelry included Louis Comfort Tiffany in the United States, Vladimir Soloviev, who designed jewelry for Peter Carl Fabergé in Russia, Fuset Grau of Spain, Karl Rothmuller of Germany and Philippe Wolfers of Belgium.

Art Nouveau jewelers used every “canvas” imaginable, looking beyond brooches and necklaces to belt buckles, fans, tiaras, dog collars (a type of choker necklace), pocket watches, corsages and hair combs. Multicolored gems and enamel could complete this vision better than diamonds. Jewelers also favored pearls, particularly baroque pearls, for their large size and irregular shape. However, opal was the most popular stone — its iridescence harmonized perfectly with the enamel, and it could be carved into any shape. Art Nouveau jewelry was primarily set in yellow gold.

Find a range of antique Art Nouveau jewelry today on 1stDibs.

Questions About Nouveau 1910 Jewelry
  • 1stDibs ExpertMay 5, 2023
    In the 1910s, Art Nouveau jewelry was popular. Trends of the time included long necklaces often decorated with tassels and platinum beads. Among gemstones, diamonds and sapphires were in high demand. Find a selection of antique jewelry on 1stDibs.
  • 1stDibs ExpertNovember 2, 2021
    Art Nouveau jewelry generally featured three main themes: flora, fauna and women. The Art Nouveau movement lasted 15 years and it reached its pinnacle in the year 1900. Art Nouveau jewelers used every “canvas” imaginable, looking beyond brooches and necklaces to belt buckles, fans, tiaras, dog collars (a type of choker necklace), pocket watches, corsages and hair combs. Multicolored gems and enamel could complete this vision better than diamonds. Enameling is most often associated with Art Nouveau jewelry, specifically plique-à-jour. Known as backless enamel, plique-à-jour allows light to come through the rear of the enamel because there is no metal backing. It creates an effect of translucence and lightness. Shop a collection of antique and vintage Art Nouveau jewelry from some of the world’s top jewelers on 1stDibs.
  • 1stDibs ExpertAugust 20, 2024
    To identify Art Nouveau jewelry, first consider its overall shape and themes. Flora, fauna and female figures were the three main themes in Art Nouveau jewelry. Winged creatures, such as insects and birds, were also popular subjects. Next, examine the materials and techniques. Art Nouveau jewelers distinguished themselves from their predecessors through the use of their unorthodox materials and methods. Prior to the 20th century, artisans working with jewelry prioritized precious metals and diamonds. This was not true for Art Nouveau creators. Enameling is most often associated with Art Nouveau jewelry, specifically plique-à-jour. Known as backless enamel, plique-à-jour allows light to come through the rear of the enamel because there is no metal backing. It creates an effect of translucence and lightness. Art Nouveau jewelers also favored pearls, particularly baroque pearls, for their large size and irregular shape. However, opal was the most popular stone, and Art Nouveau jewelry was primarily set in yellow gold. If you need more help identifying your jewelry, a certified appraiser or knowledgeable dealer can assist you. On 1stDibs, find a wide range of Art Nouveau jewelry.