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Antique Jewelry Clasps

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Antique Art Deco Hayne Watch Co Ladies 18K 17J Platinum Trim Wrist Watch
Located in Dayton, OH
iridescent blue hands. Cobalt blue stone on knob. Black cord band. Jewelry clasp marked Kreisler 025
Category

1920s Art Deco Antique Jewelry Clasps

Materials

Gold, Platinum

Massive Victorian Bear Cloak Clasp
Located in New York, NY
Massive Victorian Bear Cloak Clasp Brooch from the late 1800's. Large and dimensional, with
Category

1870s American Late Victorian Antique Jewelry Clasps

Materials

Brass

Antique clasped hands brooch, Bog oak, Victorian
Located in NEWARK, GB
An interesting and scarce Victorian clasped or shaking hands brooch. It is crafted from bog oak
Category

19th Century British Victorian Antique Jewelry Clasps

Vintage Jade Necklace With Gold Clasp
Located in Chesterland, OH
. The necklace is fastened with a vintage 14K gold clasp. The total length of the necklace is 18" (45.7
Category

1920s European Art Deco Antique Jewelry Clasps

Materials

Jade, Gold, 14k Gold

Edwardian Amethyst & Pearl Necklace 18ct Gold Clasp
Located in Brighton, GB
Antique Amethyst Necklace 18ct Gold Clasp Circa 1900 The most fabulous, Edwardian necklace
Category

Early 20th Century European Antique Jewelry Clasps

Materials

Amethyst, Pearl

Antique 9ct Gold Victorian Barrel clasp Necklace
Located in London, GB
Antique 9ct 375 Gold Victorian Chain with secure Barrel clasp With a wrap around Plaque marked "9c
Category

1880s British Late Victorian Antique Jewelry Clasps

Materials

Gold

Antique Georgian Hair Bracelet Gold Silver Clasp
Located in Kendal, GB
box clasp with a beautiful, engraved design across the front and shoulders. It’s fashioned in
Category

19th Century European Georgian Antique Jewelry Clasps

Materials

Silver, Gold

Antique Georgian Hair Bracelet Gold Silver Clasp
Antique Georgian Hair Bracelet Gold Silver Clasp
Free Shipping
W 1.19 in D 1.78 in L 7.26 in
Victorian Engraved Link Bracelet Heart Clasp Gold
By John Grinsell & Sons
Located in New York, NY
wonderful heart shaped lock clasp. The links are each hand engraved with stylized rose and foliate motifs
Category

Early 19th Century British Victorian Antique Jewelry Clasps

Materials

9k Gold, Gold

Ancient Roman Carnelian Intaglio Ring with Clasped Hands
Located in Stamford, CT
oval shaped intaglio"dextrarum lunctio" on the carnelian. This translates to clasped hands. Each hand
Category

15th Century and Earlier Italian Classical Roman Antique Jewelry Clasps

Materials

Carnelian, 22k Gold

Art Deco Natural Pearl Necklace and Diamond Clasp
Located in London, GB
(6.4mm - 2.5mm) Certified Grading Laboratory: GCS Clasp Dimensions: 14mm x 5mm Rose Cut Diamond
Category

Early 20th Century Art Deco Antique Jewelry Clasps

Materials

Pearl, 9k Gold, Yellow Gold

Late 19th-Century Silver and Opal Cape Clasp by Louis Wièse
Located in Chicago, IL
clasp by Louis Wièse in the Musée des Arts Décoratifs, Paris); exh. cat. French Jewellery of the
Category

1890s French Gothic Revival Antique Jewelry Clasps

Materials

Opal, Silver

Antique Portuguese Silver Chrysoberyl Floral Clasp, circa 1750
Located in London, GB
An antique clasp set with pale green chrysoberyl in a floral design mounted in silver. Portuguese c
Category

18th Century Portuguese Antique Jewelry Clasps

Materials

Chrysoberyl, Silver

Sleeping Beauty Turquoise Moonstone Georgian Pinchbeck Clasp Bra
By Karen Sugarman Designs
Located in Colleyville, TX
clasp. The agate clasp features a lovely little turquoise floral design of a Forget-Me-Not flower
Category

Early 19th Century American Georgian Antique Jewelry Clasps

Materials

Agate, Moonstone, Turquoise, Gold Plate, Pinchbeck

Saltwater Natural Pearl Necklace Diamond and Yellow Gold Clasp
Located in Jesmond, Newcastle Upon Tyne
karat yellow gold and platinum set clasp; part of our diverse necklace and pendant collection. This
Category

1920s Unknown Antique Jewelry Clasps

Materials

Diamond, Natural Pearl, 15k Gold, Yellow Gold

Antique Georgian Starburst Clasp Oriental Pearl Peridot 15 Karat Gold Silver
Located in Munich, Bavaria
This precious clasp designed as a starburst was intended for a bracelet or a necklace, most likely
Category

1810s British George III Antique Jewelry Clasps

Materials

Oriental Pearl, Peridot, Gold, 15k Gold, Silver

Antique Red Coral Necklace With Gold Clasp
Located in Lake Worth, FL
beads are barrel-shaped and the handmade clasp is made of 14k yellow gold. The gold clasp is decorated
Category

1890s Dutch Late Victorian Antique Jewelry Clasps

Materials

Coral, 14k Gold, Gold

Antique Five Strand Red Coral 14k Gold Clasp Choker
Located in Lake Worth, FL
necklace beads about 5-6mm dimension. The coral beads are barrel-shaped and the handmade clasp is made of
Category

1890s Dutch Late Victorian Antique Jewelry Clasps

Materials

Coral, 14k Gold

Art deco Akoya pearl necklace 18K gold diamond clasp
Located in Versailles, FR
touch of elegance is the beautifully crafted 18K white gold clasp, featuring a larger old european cut
Category

Early 20th Century British Art Deco Antique Jewelry Clasps

Materials

Diamond, Pearl, 18k Gold

Art Deco Van Cleef & Arpels Diamond Clasp
By Van Cleef & Arpels
Located in Hummelstown, PA
Deco diamond clasp was designed and meticulously handcrafted in platinum by the esteemed French jeweler
Category

1920s French Art Deco Antique Jewelry Clasps

Materials

Diamond, Platinum

Georgian 15kt Twisted Rope Chain with Etruscan Turquoise Clasp
Located in Narberth, PA
chain fastens at an ornate clasp, inset with four vibrant turquoise oval cabochons in collet settings
Category

1750s English Georgian Antique Jewelry Clasps

Superbly Detailed Victorian Sterling Silver Floral Accent Clasp Bracelet
Located in New York, NY
This superbly detailed victorian sterling silver with floral accents clasp bracelet measures 7 1/2
Category

Early 1900s English Victorian Antique Jewelry Clasps

Antique 1901 Yellow Gold Curb Bracelet with Heart Padlock Clasp
Located in Jesmond, Newcastle Upon Tyne
An impressive antique 9 karat yellow gold curb link bracelet with heart shaped padlock clasp; part
Category

Early 1900s Unknown Retro Antique Jewelry Clasps

Materials

Gold, 9k Gold, Yellow Gold

Edwardian South Sea Pearl Necklace with Diamond + Ruby Clasp
Located in Narberth, PA
diamond and ruby clasp from the Edwardian (ca1910s) era ! This fabulous piece is comprised of a single
Category

Early 20th Century Edwardian Antique Jewelry Clasps

Materials

Diamond, South Sea Pearl, Ruby, 18k Gold

Janesich Diamond Platinum Bird Pearl Enhancer Clasp
By Janesich
Located in Beverly Hills, CA
Chic elegant enhancer/clasp that is designed to keep two strands together. Created by Janesich in
Category

Early 20th Century Art Deco Antique Jewelry Clasps

Materials

Diamond, 14k Gold, Platinum, White Gold

Edwardian Old Mine Diamond Wishbone Brooch Pin Pendant 14K Gold
By Estate Jewelry
Located in East Brunswick, NJ
-1910s Brooch Pin is crafted in Platinum for the top, and 14K Yellow gold for the pin and clasp. The
Category

Early 20th Century Antique Jewelry Clasps

Materials

Diamond, 14k Gold, Yellow Gold, Platinum

Vintage Jade bead necklace, 9k gold clasp, Art Deco
Located in NEWARK, GB
necklace has a 9ct gold spring ring clasp, Unmarked, c1930s. A classic and timeless piece. Condition
Category

Early 20th Century Asian Art Deco Antique Jewelry Clasps

Materials

Jade, 9k Gold

Edwardian Old Mine Diamond Horseshoe Brooch Pin 18k Gold & Platinum
By Estate Jewelry
Located in East Brunswick, NJ
pin and clasp. The metal has been tested and guaranteed. The top is studded with 49 old mine cut
Category

Early 1900s Edwardian Antique Jewelry Clasps

Materials

Diamond, 18k Gold, Platinum

French 19th Century Enamelled Clasp 18 Karat Yellow Gold Bracelet
Located in Poitiers, FR
of 4 thin chains said Roman arch, attached to a clasp with ratchet of rectangular shape with engraved
Category

19th Century French Napoleon III Antique Jewelry Clasps

Materials

Gold, 18k Gold, Yellow Gold, Enamel

Art Deco Double Strand Natural Red Coral Necklace Gold Clasp
Located in Napoli, IT
with the original antique clasp 9 KT solid gold round shape with a large 10 mm cabochon same variety
Category

1920s Italian Art Deco Antique Jewelry Clasps

Materials

Coral, Gold

European Five Strand Red Coral 14k Gold Clasp
Located in Lake Worth, FL
beads about 6-7mm. The coral beads are barrel-shaped and the handmade clasp is made of 14k yellow gold
Category

1890s Dutch Late Victorian Antique Jewelry Clasps

Materials

Coral, 14k Gold

Rock Crystal Quartz Brooch Pendant Enamel 14K Gold Antique
By Estate Jewelry
Located in East Brunswick, NJ
jewelry like that. The brooch measures 1-5/8" x 1-5/16". Perfectly working clasp. The brooch weighs 26.3
Category

Late 19th Century Victorian Antique Jewelry Clasps

Materials

Crystal, Quartz, Rock Crystal, 14k Gold, Yellow Gold, Enamel

Cultured Pearl Necklace with an 18ct Yellow Gold Diamond Clasp
Located in London, GB
With an 18ct Yellow Gold Diamond Clasp, All Individually Matched. Additional Information: Pearl
Category

19th Century British Art Deco Antique Jewelry Clasps

Materials

Diamond, Cultured Pearl, Yellow Gold

Oval Link Heart Clasp Rose Gold English Link Bracelet
Located in Stamford, CT
English puffed link hollow bracelet. Circa 1900's with hand engraving and a 9k rose gold heart lock catch. 7 inches long. Tested: 9k rose gold Width: 12.6mm Depth or thickness: 6.4m...
Category

Early 20th Century Antique Jewelry Clasps

Materials

Gold, Rose Gold, 9k Gold

A Three Strand Red Coral Necklace Gold Clasp
Located in Lake Worth, FL
beads about 5-6mm. The coral beads are barrel-shaped and the handmade clasp is made of 14k yellow gold
Category

1890s Dutch Late Victorian Antique Jewelry Clasps

Materials

Coral, 14k Gold, Gold

Freshwater Cultural Pearl Necklace Pearls with 14ct Yellow & Gold Clasp
Located in London, GB
onto an 18ct yellow gold clasp. These cultured pearls are a classic and versatile choice. Additional
Category

Mid-19th Century British Antique Jewelry Clasps

Materials

Pearl, Yellow Gold

Victorian Garnet Bracelet Flower Bohemian Garnets Antique 1880 Garnet Clasp
Located in New York, NY
FLOWER FLORETS OF SUPERB DEEP RED WINE GARNETS WITH A FLOWER MOTIF CLASP OF THE HIGHEST QUALITY DATING TO
Category

19th Century Czech Victorian Antique Jewelry Clasps

Materials

Garnet, Gold-filled, Silver

Victorian Garnet Necklace Flower Bohemian Garnets Antique 1880 Garnet Clasp
Located in New York, NY
FLOWER FLORETS IN THE CHAIN OF SUPERB DEEP RED WINE GARNETS WITH A FLOWER MOTIF CLASP OF THE HIGHEST
Category

19th Century Czech Victorian Antique Jewelry Clasps

Materials

Garnet, Gold-filled, Silver

Art Deco Pearl Single Strand Sapphire Diamond 18 Kt Clasp
Located in Napoli, IT
white cream colour Complemented by the classy boat shaped clasp, hand crafted of solid 18 KT white gold
Category

1920s European Art Deco Antique Jewelry Clasps

Materials

Diamond, Pearl, Sapphire, 18k Gold

Antique Victorian 15 Carat Gold Bracelet Garnet Clasp, circa 1880
Located in Kendal, GB
held securely around the wrist by a box clasp and safety chain topped with a deep, red cabochon garnet
Category

19th Century European Victorian Antique Jewelry Clasps

Materials

Garnet, Gold

Antique Children Miniature Painting Clasp Bracelet Necklace Gold England 1790
Located in Munich, Bavaria
Oval clasp for a bracelet or a necklace with a miniature showing two little girls. The girls have
Category

1790s English Antique Jewelry Clasps

Materials

14k Gold

Antique Georgian Banded Agate Sardonyx Beads Bracelet Metal Pinchbeek Clasp
Located in Munich, Bavaria
clasp executed in gilt metal and Pinchbeek around 1830.
Category

1830s English George IV Antique Jewelry Clasps

Materials

Agate, Gilt Metal

French, 19th Century, 18 Karat Rose Gold Pansy Clasp Chain Bracelet
Located in Poitiers, FR
bracelet is formed of 10 jaseron mesh chains retained by a broad clasp with ratchet, decorated on the top
Category

Late 19th Century French Napoleon III Antique Jewelry Clasps

Materials

14k Gold, Rose Gold, Gold, 18k Gold

Victorian Natural Saltwater Pearl Necklace with Diamond Clasp
Located in Beverly Hills, CA
Victorian natural pearl necklace with a gorgeous clasp. Features three strands of natural pearls
Category

Early 20th Century Unknown Antique Jewelry Clasps

Materials

Diamond, Natural Pearl, Yellow Gold, Platinum

Natural Mediterranean Coral Gold Beaded Bracelet - Enamel Clasp GIA Certified
Located in Wallkill, NY
Special Natural Mediterranean Coral Beaded Bracelet with a lovely enameled slide-in clasp. GIA
Category

Early 1900s Italian Antique Jewelry Clasps

Materials

Coral, 14k Gold, Gold, Enamel

Carnelian Bead Knotted String Triple Strand Necklace, 14 Karat Clasp
Located in Milford, DE
to a single strand with a vermeil cubic zirconia-accented connector. The clasp itself features a
Category

19th Century Chinese Antique Jewelry Clasps

Materials

Carnelian, Vermeil, 14k Gold

Antique 18 Karat Yellow Gold Clasp Three Row Cultured Pearl Necklace
Located in Poitiers, FR
Necklace of three rows of cultured pearls. The clasp in 18 karat yellow gold, chiseled on one side
Category

19th Century French Napoleon III Antique Jewelry Clasps

Materials

Pearl, Cultured Pearl, Yellow Gold, Gold, 18k Gold

Antique 0.20Ct Turquoise and Pearl 9k Yellow Gold Padlock/Bracelet Clasp
Located in Jesmond, Newcastle Upon Tyne
gold padlock/bracelet clasp; part our antique jewelry/estate jewelry collections. This stunning, fine
Category

Early 1900s Antique Jewelry Clasps

Materials

Pearl, Turquoise, Yellow Gold

Antique 9ct Gold Edwardian Faceted Belcher Link Chain with Barrel Clasp
Located in Brighton, GB
elegance and sophistication to this piece, perfectly capturing the Edwardian style. The gold barrel clasp
Category

Early 20th Century English Edwardian Antique Jewelry Clasps

Materials

Gold, 9k Gold

Art Deco Triple Strand Pearl 3.60 Ct Diamond Clasp Rare Necklace
Located in Napoli, IT
and lustrous making an extraordinary classy statement of the antique jewellery It is accentuated by a
Category

1920s European Art Deco Antique Jewelry Clasps

Materials

Diamond, Pearl, 18k Gold

Antique Italian Natural Amber Necklace & Pendant, 9K Gold Clasp, 49cm long.
Located in MELBOURNE, AU
, Completed by 9K yellow gold barrel clasp Total item’s weight: 27.9gr. Comes in a box, accompanied
Category

Early 1900s Italian Retro Antique Jewelry Clasps

Materials

Amber, 9k Gold

Art Deco Necklace Emerald Sapphire Bead with Diamond Opal Platinum Clasp
Located in Beverly Hills, CA
necklace is equipped with an opal and cushion cut diamond platinum clasp. The necklace comprises four bead
Category

1920s Unknown Art Deco Antique Jewelry Clasps

Materials

Emerald, Opal, Sapphire, Diamond, Platinum

Antique 3.75 Carat Amethyst and Gold Bracelet with Heart Padlock Clasp
Located in Jesmond, Newcastle Upon Tyne
bracelet with a heart shaped padlock clasp; part of our diverse antique jewelry and estate jewelry
Category

1890s Unknown Antique Jewelry Clasps

Materials

Amethyst, Gold, 15k Gold, Yellow Gold

Antique 14K Gold Cube Watch Fob with Watch Chain & Dog Clasp
Located in Danvers, MA
(including the non-swivel dog clasp) measures approximately 4 inches long. The only condition issue to note
Category

Late 19th Century American Late Victorian Antique Jewelry Clasps

Materials

14k Gold

Early Victorian 14K Gold Padlock Garnet Heart Clasp Rolo Link Bracelet
Located in Venice, CA
Circa the 1840’s, the centerpiece of this 14k gold bracelet is a heart shape padlock clasp with a
Category

1840s Unknown Early Victorian Antique Jewelry Clasps

Materials

Garnet, 14k Gold, Yellow Gold

Antique 15K Braided Wheat Watch Chain with Large Spring Ring Clasp
Located in Hummelstown, PA
Notes: antique clasp and swivel have been added to the antique chain, one small section with a
Category

1890s Late Victorian Antique Jewelry Clasps

Materials

15k Gold

Antique Early 20th Century Natural Jade Bead Necklace with Platinum Clasp
Located in Braintree, GB
Antique early 20th century natural jade bead necklace with platinum clasp. Total number of jade
Category

1920s European Antique Jewelry Clasps

Materials

Jade, Platinum

Pink Morganite Filigree Clasp with French Meerschaum Reliquary Ex Voto Pendant
By Karen Sugarman Designs
Located in Colleyville, TX
rhodium silver filigree clasp, then drops to feature a remarkable antique French Meerschaum reliquary Ex
Category

Mid-19th Century American Artisan Antique Jewelry Clasps

Materials

Morganite, Topaz, Brass, Vermeil, Rhodium, Sterling Silver

Victorian 14kt/Sterling Diamond Foliate Necklace with Emerald Diamond Ruby Clasp
Located in Narberth, PA
elegant appeal. The necklace secures with a gorgeous push clasp set with two Square Cut rubies, two Single
Category

1880s Unknown Victorian Antique Jewelry Clasps

Materials

Diamond, Emerald, Ruby, 14k Gold, Silver, Sterling Silver, Mixed Metal

Art Deco Single Pearl Strand 2.90 Ct Natural Sapphire Diamond Platinum Clasp
Located in Napoli, IT
, white creamy with goodish reflections, nice orient, lovely sheen Complemented by a Platinum made clasp
Category

1920s Art Deco Antique Jewelry Clasps

Materials

Diamond, Pearl, Sapphire, Platinum

Antique Victorian Gold and Pink Topaz Bracelet with Heart-Shaped Padlock Clasp
Located in New York, NY
padlock clasp centered by a faceted, ovoid pink topaz in a c-scroll border, in 18k. Bracelet: 8" long, 3
Category

1840s Early Victorian Antique Jewelry Clasps

Materials

Topaz, Gold, 18k Gold

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Antique Jewelry Clasps For Sale on 1stDibs

There is a broad range of antique jewelry clasps for sale on 1stDibs. These distinct designs — crafted with great care and often made from Gold, 18k Gold and Yellow Gold — can elevate any look. Our collection is diverse and broad-ranging, and pieces in stock date back to the 18th Century while others were produced as recently as the 20th Century. The designs in our inventory of antique jewelry clasps bearing Victorian or Georgian hallmarks are very popular. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Karen Sugarman Designs, Boucheron and Glorious Antique Jewelry Collection are consistently popular. Many pieces in our collection are stylish for most occasions, but Diamond versions, from our inventory of 46, can add a particularly distinctive touch to your look, day or night. A selection of bead, round cut and mixed cut can be found today on these pages. When shopping our range of antique jewelry clasps, you’ll find that there are less available pieces for men today than there are for women.

How Much are Antique Jewelry Clasps?

On average, antique jewelry clasps at 1stDibs sell for $3,800, while they’re typically $198 on the low end and $93,917 for the highest priced versions of this item.
Questions About Antique Jewelry Clasps
  • 1stDibs ExpertOctober 5, 2021
    A jewelry clasp is a fastener with the purpose to clutch the jewelry and hold it in place. Its mechanism allows jewelry such as necklaces or bracelets to fasten and also to be removed easily without causing damage. Visit 1stDibs to find a variety of jewelry with different types of clasps for a perfect fit.
  • 1stDibs ExpertOctober 12, 2021
    Paste jewelry is made out of a special type of flint glass that emulates several gemstones. Paste is a hand-cut glass that is polished with metal powder until it gleams like a gem. Paste jewelry was popular as a cheaper alternative to diamonds during the Georgian, Victorian, and Edwardian eras, as well as the Art Deco period. On 1stDibs, find a variety of antique and vintage paste jewelry.
  • 1stDibs ExpertNovember 6, 2023
    Jewelry is considered antique once it is 100 years old. Pieces that are 20 to 99 years old are vintage. Contemporary is the term used to describe jewelry that is less than 20 years old. Explore a large selection of antique, vintage and contemporary jewelry from some of the world's top dealers on 1stDibs.
  • 1stDibs ExpertDecember 4, 2023
    To tell if antique jewelry is real, first look for hallmarks that may signify the maker. You can then use trusted online resources to find out what to look for to verify authenticity. If the jewelry doesn't have hallmarks, you may wish to consult a certified appraiser or licensed dealer. An expert can evaluate your jewelry, tell you whether it is a genuine antique and provide information about its materials and approximate value. Explore a large selection of antique jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    To tell if jewelry is antique gold, take it to a licensed appraiser experienced in evaluating jewelry. It is difficult to identify jewelry materials using only the naked eye and online resources. On 1stDibs, shop a collection of expertly vetted gold jewelry.
  • 1stDibs ExpertApril 5, 2022
    In antique jewelry, the term “paste” means glass finished in a way that allows it to resemble natural gemstones. To produce paste, artisans polish it for long periods of time with metal powder. On 1stDibs, find a selection of antique paste jewelry.
  • 1stDibs ExpertMay 5, 2023
    To know if your antique jewelry is valuable, you can consult trusted online resources to see what similar pieces have sold for in the past. It is important to note that the condition of your specific piece will have a major effect on how much it is worth. Jewelry of a certain historical period will be worth more to collectors than accessories from other less noteworthy eras, and whether or not a given accessory is set with a precious gemstone may affect its value as well. You may wish to have the jewelry evaluated by a certified appraiser who can examine the piece and give you a price estimate. Master jewelry designers and luxury houses of the 19th and 20th centuries include Cartier, Tiffany & Co., Van Cleef & Arpels, BVLGARI and others. Shop a collection of jewelry from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertMay 5, 2023
    Yes, some antique jewelry does go up in value. It is important to note that demand as well as the condition of your specific piece will have a major effect on how much it is worth. A certain historical period’s jewelry may be worth more to collectors than accessories from other less noteworthy eras, and whether or not a given accessory is set with precious gems may affect its value as well. You may wish to have the jewelry evaluated by a certified appraiser who can examine the piece and estimate its value. Master jewelry designers and luxury houses of the 19th and 20th centuries include Cartier, Tiffany & Co., Van Cleef & Arpels, BVLGARI and others. On 1stDibs, shop a large collection of jewelry from some of the world’s top sellers.
  • 1stDibs ExpertDecember 12, 2023
    To tell if jewelry is vintage or antique, first look for any hallmarks that signify its maker. You can use trusted online resources to research when the maker was active and producing pieces similar to yours to roughly estimate its age. Jewelry is vintage if it's between 20 and 99 years old, and antique if it is 100 years old or more. If you're unable to locate a maker's hallmark, becoming familiar with the materials and other characteristics used during different eras of jewelry can help you date your piece. When in doubt, enlist the help of a certified appraiser or knowledgeable dealer. On 1stDibs, explore a large collection of vintage and antique jewelry.