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19th Century Diamond Blue Enamel Yellow White Gold Brooch
By Asprey London
Located in Poitiers, FR
surrounded by antique- cut diamonds. The clasp is a pin. Diameter: 19.8 mm, thickness: 6.3 mm at the center
Category

19th Century English Edwardian Antique Diamond Clasp

Materials

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

1920s Antique 4.05 Carat Diamond and White Gold Bracelet
Located in Jesmond, Newcastle Upon Tyne
hallmark to the reverse of the clasp. Diamond Quality Feature Diamond Color I Clarity VS2 Cut Old European
Category

1920s Antique Diamond Clasp

Materials

Diamond, 14k Gold, White Gold

Art Deco Emerald Diamond Longines Watch on Emerald Band
By Longines
Located in Miami Beach, FL
later fitted with a custom band. The band has diamond spacers and a clasp with an emerald cabochon all
Category

Early 20th Century Art Deco Antique Diamond Clasp

Materials

Emerald, Diamond, Platinum, 14k Gold

Cartier Jadeite Diamond Rock Crystal Enamel Manual Pendant Watch
By Cartier
Located in New York, NY
Diamond weighing approximately 0.60 carat, diamond-set clasp, mounted in platinum and gold
Category

Early 19th Century Art Deco Antique Diamond Clasp

Materials

Diamond, Jade, Rock Crystal, Enamel

Antique 1910s Diamond and Pearl Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
spring loaded ring loop clasp. This antique diamond pendant has been independently tested using state of
Category

1910s Unknown Antique Diamond Clasp

Materials

Diamond, Pearl, 18k Gold, Yellow Gold

Early 19th Century Pearl Diamond Gold Pin and Chain
Located in Berkeley, CA
diamond set into the clasp so it can be worn alone with the clasp in the front for another 'look'. Three
Category

Early 1900s British Edwardian Antique Diamond Clasp

Materials

Diamond, Freshwater Pearl, 18k Gold

French Napoleon 3 Antique Crescent Moon Sapphire Diamond Brooch
Located in Poitiers, FR
bordered with rose cut diamonds. The brooch clasp is in the form of a pin. At the back this brooch has a
Category

19th Century French Napoleon III Antique Diamond Clasp

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Rose Go...

Belle Epoque Donizetti’s Opera ‘La Favorite’ Diamond Gold Musical Notes Bracelet
Located in London, GB
French, all to a concealed tongue and box clasp. Rose-cut diamonds estimated to weigh a total of
Category

Early 1900s French Antique Diamond Clasp

Materials

Diamond, Gold

French 1900s Rose-Cut Diamonds 18 Karat Yellow Gold Drop Earrings
Located in Poitiers, FR
-cut diamonds. The clasp threads from the front. Height: 15.8mm, width: 10.4mm, thickness: 2.5mm. Total
Category

Early 1900s French Belle Époque Antique Diamond Clasp

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

Antique Victorian Diamond and Yellow Gold Pendant, circa 1890
Located in Jesmond, Newcastle Upon Tyne
is a very good gauge of gold and is in excellent condition with a hallmark to the clasp. Diamond
Category

1890s Unknown Victorian Antique Diamond Clasp

Materials

Diamond, 9k Gold, Yellow Gold

French 19th Century Diamond 18 Karat Rose Gold Chiselled Medallion
Located in Poitiers, FR
gold whose center is set with a rose- cut diamond. The clasp of this antique pendant is decorated with
Category

Late 19th Century French Napoleon III Antique Diamond Clasp

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold

French 1900s Antique Cultured Pearl Diamonds Yellow Gold Drop Earrings
Located in Poitiers, FR
with claws of a half cultured pearl surmounted by a rose- cut diamond. The clasp put on from the back
Category

Early 20th Century French Belle Époque Antique Diamond Clasp

Materials

Pearl, Cultured Pearl, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

Deco Platinum and 18 Karat Diamond Bracelet 4.00 Carat
Located in North Hollywood, CA
4.5cm L x 1.5cm W. It is filled with marquise Diamonds the center being 0.62 Carats there are two
Category

1920s Unknown Art Deco Antique Diamond Clasp

Materials

White Diamond, 18k Gold, Platinum

Antique French Seed Pearl and Diamond Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
condition with clear French hallmarks to the clasp. Diamond Quality Colour (average grades) G Clarity
Category

1890s French Antique Diamond Clasp

Materials

Diamond, Pearl, 18k Gold, Yellow Gold

French Edwardian Demantoid Garnet Diamond Platinum-Topped 18 Karat Gold Bracelet
Located in Philadelphia, PA
forms accented by rose cut diamonds Completed by a concealed clasp with safety chain With French assay
Category

Early 1900s French Edwardian Antique Diamond Clasp

Materials

Diamond, White Diamond, Garnet, Gold, 18k Gold, Yellow Gold, Platinum

Early Art Deco Platinum and Gold Diamond Bracelet, circa 1920s
Located in London, GB
made into marquise shapes and is all hand crafted. It has a double safety clasp. Gemstone: Diamond
Category

1920s Unknown Art Deco Antique Diamond Clasp

Materials

Diamond, 18k Gold, Platinum

Art Deco Coral, Onyx and Diamond Brooch, circa 1920s
Located in London, GB
brooch is fitted to the reverse with a hinged pin and a circular safety clasp. Gemstone: Diamond, Carat
Category

1920s Unknown Art Nouveau Antique Diamond Clasp

Materials

Diamond, Onyx, Other, Coral, Platinum

1910 s Vacheron Constantin Exquisite Art Deco Ladies Watch
By Vacheron Constantin
Located in Suwanee, GA
to be the stunning original diamond clasp, fits a wrist up to nearly 8 inches and could easily be
Category

1910s Swiss Antique Diamond Clasp

Materials

Platinum

Victorian Austro-Hungarian Sterling/14kt Diamond Drop Earrings 1.50ctw
Located in Narberth, PA
An exquisite pair of Austro-Hungarian diamond earrings from the Victorian (ca1880) era! Crafted in
Category

1880s Austrian Victorian Antique Diamond Clasp

Materials

Diamond, 14k Gold, Sterling Silver

Antique 1.88 Carat Diamond and Platinum Brooch Art Deco, Circa 1925
Located in Jesmond, Newcastle Upon Tyne
of Art Deco jewellery may be worn as a hair clasp. The antique diamond brooch secures to the reverse
Category

1920s Unknown Antique Diamond Clasp

Materials

Diamond, Platinum

Victorian Beautiful Old Cut Diamond Riviere Necklace Circa 1860
Located in London, GB
total of approximately 12cts, all to a concealed diamond set tongue and box clasp. This necklace is
Category

Mid-19th Century English Antique Diamond Clasp

Materials

White Diamond, 18k Gold, Silver

Antique Art Deco 1920 Old Cut Diamond Sapphire Three Rows Bracelet
Located in London, GB
Bright and brilliant 3 rows blue sapphire and diamond bracelet with hidden clasp and beautifully
Category

1920s Unknown Art Deco Antique Diamond Clasp

Materials

Diamond, Platinum

French 20th Century Enamelled Diamond Flower 18 Karat Yellow Gold Necklace
Located in Poitiers, FR
, and whose pistils are formed by 3 diamonds in closed setting. The clasp is a spring ring. Total weight
Category

Early 20th Century French Belle Époque Antique Diamond Clasp

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Enamel

French 20th Century Enamelled Diamond Flower 18 Karat Yellow Gold Necklace
Located in Poitiers, FR
, and whose pistils are formed by 3 diamonds in closed setting. The clasp is a spring ring. Total weight
Category

Early 20th Century French Belle Époque Antique Diamond Clasp

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Enamel

French 19th Century 7.50 Carat Turquoises Diamond 18 Karat Yellow Gold Bracelet
Located in Poitiers, FR
diamonds. The clasp is a spring ring. Total weight of the turquoises : 7.50 carats approximately. Total
Category

19th Century French Napoleon III Antique Diamond Clasp

Materials

Diamond, White Diamond, Turquoise, Gold, 18k Gold, Yellow Gold

Pair of Art Deco 2.5 Carat Old Cut Diamond Earrings
Located in Banbury, GB
both two old European set in platinum over 18K yellow gold with a front clasping hinge. The diamonds
Category

1920s French Art Deco Antique Diamond Clasp

Materials

Diamond, 18k Gold

4 Carat Antique Diamond by the Yard Watch Chain Necklace
Located in Montgomery, AL
This diamond necklace is an estate piece. This incredibly unique diamond chain features 25
Category

Early 20th Century Unknown Art Deco Antique Diamond Clasp

Materials

Diamond, 14k Gold

Early Art Deco Natural Pearl Burma Ruby Diamond Platinum Bracelet
Located in Aspen, CO
also the clasp) with fine white diamonds weighing approximately 2.0 cts and on average approximately G
Category

Early 20th Century Unknown Art Deco Antique Diamond Clasp

Materials

Diamond, Natural Pearl, Ruby, Platinum

Art Deco Diamond Platinum Riviere Necklace 1920s 25 Carat Old European Cut
Located in Beverly Hills, CA
0.07 carat towards the clasp (including two diamonds 1.35 ct each K/VS, two diamonds 1.20 ct each K/VS2
Category

1920s Unknown Antique Diamond Clasp

Materials

White Diamond, Platinum

Antique Victorian 1.86 Carat Diamond and Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
reverse with a 14k yellow gold hinged pin and clasp. This antique diamond brooch has been independently
Category

1890s Unknown Victorian Antique Diamond Clasp

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Art Deco Egyptian Revival Platinum Carved Crystal Diamond Emerald Coral Necklace
Located in Philadelphia, PA
European cut diamonds Unique clasp decorated with rose cut diamonds on both sides Total diamond weight is
Category

1920s Egyptian Revival Antique Diamond Clasp

Materials

Coral, Crystal, Diamond, Emerald, Platinum

Antique 1880s French 2.80 Carat Diamond and Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
French hallmarks to the pin and clasp. Diamond Quality Feature Diamond Color (average grades) G Clarity
Category

1880s French Antique Diamond Clasp

Materials

Diamond, Gold, 18k Gold, Yellow Gold

1925s Art Deco Diamonds 18 Karat Rose and Yellow Gold Brooch
Located in Poitiers, FR
clasp is a pin with safety pump. Weight of the central diamond: around 0.30 carat. Length: 4.7 cm, width
Category

1920s French Art Deco Antique Diamond Clasp

Materials

Diamond, White Diamond, Gold, 18k Gold, Platinum, Rose Gold, Yellow Gold

Diamond and 18ct Yellow Gold Bird Pendant - Antique circa 1920s
Located in Jesmond, Newcastle Upon Tyne
chain secures with a conventional spring-loaded lobster claw clasp fastening. This diamond bird pendant
Category

1920s Unknown Antique Diamond Clasp

Materials

Diamond, Yellow Gold, 18k Gold

Antique 1920s 1.20 Carat Diamond and White Gold Cross Pendant
Located in Jesmond, Newcastle Upon Tyne
hallmarked to the clasp. Diamond Quality Color (average grades) F/G/H Clarity (average grades) VS2/SI2/P1
Category

1920s Antique Diamond Clasp

Materials

Diamond, 10k Gold, 14k Gold, White Gold

French 1890s Art Nouveau Opal Diamond 18 Karat Yellow Gold Necklace
Located in Poitiers, FR
center pattern, more important, retains in the center a brilliant-cut diamond. The clasp is a spring ring
Category

1890s French Art Nouveau Antique Diamond Clasp

Materials

Opal, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

La Belle Époque Pearl, Diamond and Enamel Drop Necklace
Located in London, England
An elegant pearl, diamond and enamel drop necklace from the La Belle Époque era, circa 1901. This
Category

Early 1900s French Belle Époque Antique Diamond Clasp

Materials

Diamond, Pearl, 18k Gold, Yellow Gold, Platinum, Enamel

1920s Antique 0.31 Carat Diamond and Enamel Yellow Gold Pheasant Brooch
Located in Jesmond, Newcastle Upon Tyne
reverse with a hinged pin and clasp fastening. This diamond bird brooch with enamel has been
Category

1920s Unknown Antique Diamond Clasp

Materials

Diamond, Yellow Gold, Enamel

1890s Antique 11.97 Carat Diamond and White Gold Floral Brooch
Located in Jesmond, Newcastle Upon Tyne
pin and yellow gold sheath style clasp. This antique diamond brooch is fitted to the original hinged
Category

1890s Unknown Victorian Antique Diamond Clasp

Materials

Diamond, 10k Gold, White Gold

Antique Victorian Tremblant Diamond Floral Spray Brooch Silver Gold Portuguese
Located in Lisbon, PT
reverse with a later-added hinged post and roller clasp fitting. Diamonds: estimated 3.10 carats in total
Category

Late 19th Century Portuguese Victorian Antique Diamond Clasp

Materials

Diamond, Gold, Silver

Cartier Paris Mamie Eisenhower Diamond Pearl Platinum Gold Art Deco Wristwatch
By Cartier
Located in Greenwich, CT
Diamonds and pearls are among the rarest things in the world and this extraordinary Art Deco, circa
Category

1910s French Art Deco Antique Diamond Clasp

Materials

White Diamond, 18k Gold

French 19th Century Rose- Cut Diamonds 18 Karat Rose Gold Bangle Bracelet
Located in Poitiers, FR
-cut diamonds. The practically invisible clasp is hinged with a safety catch. Width : 17 mm
Category

Late 19th Century French Napoleon III Antique Diamond Clasp

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold

French, Early 20th Century, Old Cut Diamond and Platinum Bracelet, Circa 1920s
Located in London, GB
concealed tongue and box clasp. This antique diamond bracelet is a lovely, elegant design and the open links
Category

Early 20th Century French Antique Diamond Clasp

Materials

Diamond, Platinum

Art Deco 21 Carat Marquise and Old European Cut Diamond Bangle Bracelet
Located in Miami, FL
diamond encrusted clasps and safety levers. Our pieces are all accompanied by an appraisal performed by
Category

1920s Unknown Art Deco Antique Diamond Clasp

Materials

Diamond, Platinum

Antique Art Deco Platinum GIA Natural Pearl Diamond Strand Bracelet Necklace Set
Located in Montclair, NJ
bar spacers with a platinum and diamond long sliding box clasp while the bracelet contains a platinum
Category

Early 20th Century Art Deco Antique Diamond Clasp

Materials

Diamond, Natural Pearl, Platinum

Antique French 17.35 Carat Diamond and Yellow Gold Bracelet, circa 1910
Located in Jesmond, Newcastle Upon Tyne
either side of the clasp. Diamond Quality Diamond One Color H Clarity SI2 Cut Old European round Content
Category

1910s French Antique Diamond Clasp

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Edwardian 1.59 Carat Diamond Yellow Gold Jabot Pin Sword Brooch
Located in Jesmond, Newcastle Upon Tyne
cut diamonds, ornament the silver set push fit scabbard, which doubles up as a discreet securing clasp
Category

Early 1900s Unknown Edwardian Antique Diamond Clasp

Materials

Diamond, 9k Gold, Yellow Gold, Silver

French Art Nouveau Sapphires and Diamonds Yellow Gold Platinum Link Bracelet
Located in London, GB
interspersed with an old cut diamond set on platinum. The clasp is concealed, secured with a chain and a strap
Category

Early 1900s French Art Nouveau Antique Diamond Clasp

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold, Platinum

French 1900s Diamonds 18 Karat Yellow Gold Thin Bar Brooch
Located in Poitiers, FR
a square pattern, of a brilliant-cut diamond supported on both sides by 2 x 3 rose-cut diamonds. The
Category

Early 20th Century French Belle Époque Antique Diamond Clasp

Materials

Diamond, Gold, 18k Gold, Yellow Gold

French 19th Century Diamonds 18 Karat Rose Gold Lily of The Valley Brooch
Located in Poitiers, FR
of the valley, set with 5 rose- cut diamonds. The clasp is a pin with safety hook. Height : 2.6 cm
Category

Late 19th Century French Napoleon III Antique Diamond Clasp

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold

Le Jeton - Antique Chinese Game Counter Pendant with Raw Diamond
Located in Colleyville, TX
monogrammed side. Diamond chain and clasp are 24k gold vermeil. A very small “flea bite” near the bottom of
Category

21st Century and Contemporary Georgian Antique Diamond Clasp

Materials

Diamond, Cultured Pearl, 14k Gold, Gold Plate

GIA Certified Art Deco Natural Salt Water Pearl Diamond Multi Strand Necklace
Located in MIAMI, FL
together is the platinum clasp this is adorned with old European & old mine cut diamonds. Three diamonds in
Category

Early 20th Century Unknown Art Deco Antique Diamond Clasp

Materials

Diamond, Pearl, Platinum

Art Deco 1920s Old European Cut Diamonds Wide Chequered Bracelet, France Origin
Located in London, GB
chunks, linked together with double yellow gold and diamond covered bands. The clasp itself is also two
Category

1920s French Art Deco Antique Diamond Clasp

Materials

Diamond, Gold, Silver

Victorian 18 Karat Gold Enamel Rose Cut Diamond Lady Miniature Portrait Brooch
Located in Vilnius, Vilniaus apskr.
with 11 rose cut diamonds. Has a C clasp. Weight: 6.02g Diameter: 2.7cm ——— If you have any
Category

Late 19th Century Victorian Antique Diamond Clasp

Materials

Diamond, Gold, Enamel

Marchak Chloromelanite Jade, Gold and Diamond Vanity Case and Lipstick Holder
Located in London, GB
rectangular chloromelanite jade, with curved cut corners and a rose cut diamonds set clasp and hinges, inside
Category

1920s French Art Deco Antique Diamond Clasp

Materials

Diamond, Jade, Gold, 18k Gold

Antique Edwardian 8 Strand Seed Pearl Bracelet Vintage 14k Gold Diamond Jewelry
Located in Torrance, CA
platinum diamond set clasp. 8 strands of natural seed pearls measuring 1.5mm (average). The clasp is set
Category

Early 20th Century Unknown Edwardian Antique Diamond Clasp

Materials

Diamond, Pearl, 14k Gold, Yellow Gold, Platinum

Pearl Choker with Belle Epoque Platinum, Zircon, Onyx and Diamond Panel
Located in Brisbane City, QLD
1915 Platinum, Diamond, Onyx and Blue Zircon detachable panel. Likely to have originally been a brooch
Category

Early 20th Century American Belle Époque Antique Diamond Clasp

Materials

Diamond, Onyx, Pearl, Zircon, Gold, 14k Gold, Platinum

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Antique Diamond Clasp For Sale on 1stDibs

On 1stDibs, you can find the most appropriate antique diamond clasp for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, Silver and 18k Gold. You’re likely to find the perfect antique diamond clasp among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 20th Century. An antique diamond clasp from Boucheron and Janesich — each of whom created a beautiful version of this treasured accessory — is worth considering. An antique diamond clasp of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 46, is particularly popular. See these pages for an old mine cut iteration of this accessory, while there are also rose cut cut and round cut cut versions available here, too. If you’re browsing our inventory for an antique diamond clasp, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Antique Diamond Clasp?

The price for an antique diamond clasp starts at $220 and tops out at $93,917 with these necklaces, on average, selling for $4,998.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.