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Tiffany & Co. Black Onyx Cufflinks in 14 Karat Yellow Gold
By Tiffany & Co.
Located in Dallas, TX
Sleek and stylish black onyx cufflinks in 14 karat gold. Made by Tiffany & Co.
Category

Late 20th Century Unknown Contemporary Cufflinks

Materials

Onyx, 14k Gold, Yellow Gold

14.2 Carat Black Onyx Cufflinks With Diamond & 18k Rose Gold
By GEM PLAZA
Located in Jaipur, Rajasthan
14.2 Carat Black Onyx Cufflinks With Diamond & 18k Rose Gold Pair of 18k Rose gold buckle
Category

21st Century and Contemporary Indian Classical Roman Cufflinks

Materials

Diamond, Onyx, 18k Gold, Rose Gold

Black Onyx Cufflinks with Brilliant Cut Diamonds in 14Kt Yellow Gold
By Nicofilimon the Jewelry Designer
Located in Athens, GR
Unique Cufflinks handcrafted in 14Kt yellow gold, featuring hand carved black onyx and Pave
Category

2010s Greek Contemporary Cufflinks

Materials

Diamond, Onyx, Gold, 14k Gold, Yellow Gold

Vintage Black Onyx Cufflinks
Located in London, GB
onyx with and an 18ct yellow gold border. The post of the cufflink can be adjusted slightly to be worn
Category

20th Century Cufflinks

Materials

Onyx, Gold, Yellow Gold

Vintage 1960s Art Deco Style Black Onyx Cufflinks in Yellow Gold
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive pair of vintage black onyx and 18 karat yellow gold cufflinks; part of our
Category

Vintage 1960s Unknown Art Deco Cufflinks

Materials

Onyx, 18k Gold, Yellow Gold

Square Black Onyx Cufflinks with Brilliant Cut Diamonds in 14Kt Yellow Gold
By Nicofilimon the Jewelry Designer
Located in Athens, GR
Diamonds Square Cufflinks handcrafted in 14Kt yellow gold, featuring black onyx that is framed by
Category

2010s Greek Contemporary Cufflinks

Materials

Diamond, Onyx, Gold, 14k Gold, Yellow Gold

Square Black Onyx Cufflinks with Pave Brilliant Cut Diamonds in 14Kt Yellow Gold
By Nicofilimon the Jewelry Designer
Located in Athens, GR
Square cufflinks with brilliant cut diamonds featuring a black onyx and two elegant lines of pave
Category

2010s Greek Contemporary Cufflinks

Materials

Diamond, Onyx, Gold, 14k Gold, Yellow Gold

Sterling Silver and Black Onyx Cufflinks
Located in Lexington, KY
This is a killer set of sterling silver cufflinks that showcases a beautiful contrasting black onyx
Category

21st Century and Contemporary Contemporary Cufflinks

Materials

Onyx, Sterling Silver

Vintage 14ct Yellow Gold Black Onyx Cufflinks
Located in London, GB
These stunning vintage 14ct yellow gold cufflinks black onyx in a lovely design that is sure to
Category

Late 20th Century British Cufflinks

Materials

14k Gold

Vintage 14ct Yellow Gold Black Onyx Cufflinks
Vintage 14ct Yellow Gold Black Onyx Cufflinks
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W 0.95 in L 0.8 in
18 Karat White Gold Skull Black Onyx Cufflinks
By AVGVSTA
Located in Milano, IT
black onyx stone and, while the toggle is a simple cylinder, the front face is the protagonist of the
Category

2010s Italian Cufflinks

Materials

Onyx, Gold, 18k Gold, White Gold

14 Karat Yellow Gold Oval Black Onyx Cufflinks
Located in Scottsdale, AZ
Material: 14K yellow gold Dimensions: cufflinks measure 21 x 14mm Weight: 7.95 grams
Category

21st Century and Contemporary Cufflinks

Materials

Onyx, 14k Gold, Yellow Gold

Deakin & Francis 18kt Yellow Gold & Black Onyx Cufflinks
By Deakin & Francis
Located in New York, NY
. The round cuff links have black onyx centers with a gold detailed bezel. The bar back style cuff links
Category

1990s British Contemporary Cufflinks

Materials

Onyx, 18k Gold, Yellow Gold

Square Circle Black Onyx Cufflinks Handcrafted in 14Kt Yellow Gold
By Nicofilimon the Jewelry Designer
Located in Athens, GR
Square Cufflinks handcrafted in 14Kt yellow gold, featuring a round -Circle- black onyx centre. The
Category

2010s Greek Modern Cufflinks

Materials

Onyx, Gold, 14k Gold, Yellow Gold

Black Onyx Cufflinks 9 Karat Rose Gold Handcrafted in Italy
By Botta gioielli
Located in Milano, IT
Contemporary cufflinks handcrafted in 9 karat rose gold featuring four natural black onyx bars
Category

21st Century and Contemporary Italian Contemporary Cufflinks

Materials

Onyx, 9k Gold, Rose Gold

Round Black Onyx Cufflinks with Pave Diamonds Centre in 14Kt White Gold
By Nicofilimon the Jewelry Designer
Located in Athens, GR
Round cufflinks handcrafted in 14Kt white gold, featuring black onyx and Pave diamonds centre
Category

2010s Greek Contemporary Cufflinks

Materials

Diamond, Onyx, Gold, 14k Gold, White Gold

18K Gold Black Onyx Cufflinks
Located in Toledo, OH
18k yellow gold cufflinks with black onyx center stones. Beautiful form, 18K spring clip high
Category

Vintage 1960s Collectible Jewelry

Materials

Onyx, Gold

18K Gold Black Onyx Cufflinks
18K Gold Black Onyx Cufflinks
H 0.82 in W 0.69 in D 0.88 in
14 Karat Yellow Gold Pave Diamond and Black Onyx Cufflink and Shirt Stud Set
Located in Scottsdale, AZ
Dimensions: cufflinks measure 14.5 x 14.50mm, shirt studs measure 10.25 x 10.25mm Weight: 26.40 grams
Category

21st Century and Contemporary Cufflinks

Materials

Diamond, Onyx, 14k Gold, Yellow Gold

Bulgari Black Onyx Yellow Gold Cufflinks
By Bulgari
Located in Holland, PA
18k Yellow Gold Black Onyx Cufflinks by Bulgari. With 2 Black Onyx stones. Details: Measurements
Category

20th Century Italian Cufflinks

Materials

Onyx, 18k Gold

Bulgari Black Onyx Yellow Gold Cufflinks
By Bulgari
Located in Holland, PA
18k Yellow Gold Black Onyx Cufflinks by Bulgari. With 2 Black Onyx stones. Details
Category

20th Century Italian Cufflinks

Materials

Onyx, 18k Gold

TIFFANY & Co. 18K Gold Oval Black Onyx Cuff Links Cufflinks
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. 18K Gold Oval Black Onyx Cufflinks Metal: 18K Yellow Gold Weight: 14.90 grams
Category

2010s American Cufflinks

Materials

18k Gold

Tiffany & Co. Cufflinks
By Tiffany & Co.
Located in New York, NY
Antique Tiffany & Co black onyx cufflinks, circa 1915, set round slightly concave onyx in platinum
Category

Early 20th Century American Edwardian Cufflinks

Materials

Onyx, 14k Gold, Platinum

Tiffany & Co. Cufflinks
Tiffany & Co. Cufflinks
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Dm 0.5 in
Antique Art Deco Black Onyx and Yellow Gold Platinum Set Cufflinks
Located in Jesmond, Newcastle Upon Tyne
marks for 18k gold and platinum (18CT&PLAT). These impressive square black onyx cufflinks are supplied
Category

Vintage 1920s Unknown Art Deco Cufflinks

Materials

Onyx, Gold, 18k Gold, Yellow Gold, Platinum

Onyx Cufflinks Black Rhodium
By Vitale 1913
Located in Monte-Carlo, MC
collection of onyx and black rhodium cufflinks will add a unique, modern touch to any ensemble. Each piece is
Category

2010s Italian Contemporary Cufflinks

Materials

Diamond, Onyx, 18k Gold, White Gold, Rhodium

Onyx Cufflinks Black Rhodium
Onyx Cufflinks Black Rhodium
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W 0.52 in L 0.52 in
Onyx Cufflinks Black Rhodium
By Vitale 1913
Located in Monte-Carlo, MC
cufflinks are a perfect upgrade to every special occasion. This exquisite collection of onyx and black
Category

2010s Italian Contemporary Cufflinks

Materials

Diamond, Onyx, 18k Gold, White Gold, Yellow Gold, Rhodium

Onyx Cufflinks Black Rhodium
Onyx Cufflinks Black Rhodium
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W 0.67 in L 0.6 in
Cartier Black Onyx Diamond Cufflinks
By Cartier
Located in New York, NY
Cartier black onyx diamond cufflinks Rose-cut diamonds of approximately 0.5 carat; marked Cartier
Category

Late 20th Century Cufflinks

Materials

Diamond, Onyx

Cartier Black Onyx Diamond Cufflinks
Cartier Black Onyx Diamond Cufflinks
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W 0.52 in L 0.52 in
Diamond Black Onyx Gold Cufflinks
Located in Beverly Hills, CA
white gold setting. The center of the cufflinks feature cushion cut black onyx for a sleek modern look.
Category

21st Century and Contemporary American Cufflinks

Materials

Diamond, Onyx, 18k Gold, White Gold, Gold

Onyx Cufflinks
By Vitale 1913
Located in Monte-Carlo, MC
perfect upgrade to every occasion. This exquisite collection of onyx and black rhodium cufflinks will
Category

2010s Italian Contemporary Cufflinks

Materials

Onyx, 18k Gold, White Gold, Rhodium

Onyx Cufflinks
Onyx Cufflinks
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W 0.48 in
Vintage Black Opal & Onyx Diamond Cufflinks
Located in Winter Springs, FL
octagonal onyx sections are inlayed with fiery pieces of natural black opal exhibiting flashes of red
Category

Early 20th Century Art Deco Cufflinks

Materials

Diamond, Onyx, Opal, Black Opal, 18k Gold

Black Onyx Yellow Gold Domed Cufflinks
Located in Stamford, CT
1990's domed black onyx 14k yellow gold men's cufflinks. 10 onyx slabs separated by 14k yellow gold
Category

Late 20th Century Cufflinks

Materials

Onyx, Gold, 14k Gold, Yellow Gold

Onyx Gold Cufflinks
Located in Darnestown, MD
Elegant cufflinks of black onyx and twisted gold. The backs are oval shaped with a diagonal ribbed
Category

Vintage 1970s French Cufflinks

Materials

Onyx, 18k Gold

Onyx Gold Cufflinks
Onyx Gold Cufflinks
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H 0.69 in W 0.88 in
Panther Emeralds Onyx Black Enamel Silver Cufflinks
By AVGVSTA
Located in Milano, IT
Silver 925 panther cufflinks embellished by emeralds on his eyes and a half sphere in onyx , ears
Category

2010s Italian Cufflinks

Materials

Emerald, Onyx, Silver, Enamel

Carved Textured Black Onyx Yellow Gold Cufflinks
Located in Stamford, CT
German carved chevron design textured 18k yellow gold cufflinks. 2 oval black chevron cut onyx 18k
Category

Mid-20th Century Cufflinks

Materials

Onyx, Gold, 18k Gold, Yellow Gold

Yellow Gold Cufflinks with Jasper and Black Onyx
By Cellini
Located in New York, NY
18 karat cushion shaped cufflinks. The center is set with jasper and finished with a black onyx
Category

1990s Contemporary Cufflinks

Materials

Onyx, 18k Gold, Yellow Gold

Tiffany & Co Black Onyx Yellow Gold Cufflinks 14k
By Tiffany & Co.
Located in Beverly Hills, CA
Tiffany & Co Cufflinks Description: Half Round Black Onyx Cabochons Wrapped with 14k Rope motif
Category

Vintage 1980s American Cufflinks

Materials

Onyx, 14k Gold, Yellow Gold

Onyx Cufflinks Yellow Gold
By Vitale 1913
Located in Monte-Carlo, MC
cufflinks are made with black onyx in total of 10 Carat and diamonds G color VS clarity in total of 0.30
Category

2010s Italian Contemporary Cufflinks

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

Onyx Cufflinks Yellow Gold
Onyx Cufflinks Yellow Gold
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W 0.52 in L 0.48 in
Onyx Cufflinks White Gold
By Vitale 1913
Located in Monte-Carlo, MC
cufflinks are made with black onyx in total of 3 Carat and diamond G color VS2 clarity in total 0.16 ct
Category

2010s Italian Contemporary Cufflinks

Materials

Diamond, Onyx, 18k Gold, White Gold, Rhodium

Onyx Cufflinks White Gold
Onyx Cufflinks White Gold
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W 0.79 in L 0.48 in
Art Deco Black Onyx Diamond 18 KT Cufflinks
Located in Napoli, IT
Italian Black Onyx and Diamond gent cufflinks, 1935 ca Italian Hallmarks of the period Hand crafted
Category

Vintage 1930s Italian Art Deco Cufflinks

Materials

Diamond, Onyx, 18k Gold

Art Deco Black Onyx Diamond 18 KT Cufflinks
Art Deco Black Onyx Diamond 18 KT Cufflinks
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H 0.63 in W 0.6 in
18 Karat Gold and Black Onyx "Signature" Cufflinks
Located in San Rafael, CA
be no doubt about these little gems' origins! The quatrefoil-carved black onyx cabochons are
Category

20th Century French Contemporary Cufflinks

Materials

Onyx, 18k Gold, Yellow Gold

Rock Crystal, Black Onyx, Diamond and Gold Cufflinks
Located in London, GB
A modern pair of black onyx, rock crystal and diamond cufflinks, with a round brilliant-cut diamond
Category

Early 2000s American Cufflinks

Materials

Diamond, Onyx, Rock Crystal, 18k Gold, White Gold

Montblanc Sterling Silver & Onyx Cufflinks
By Montblanc
Located in London, GB
Montblanc Sterling Silver & Onyx Cufflinks Silver square shaped cufflinks designed with black onyx
Category

21st Century and Contemporary Cufflinks

Materials

Onyx, Sterling Silver

Berca Black Onyx Disk Round Shaped Sterling Silver Cufflinks
By Berca Atelier
Located in Valenza, IT
Chic and Timeless, Natural Hand Inlaid Black Onyx Disk Round Shaped Sterling Silver Cufflinks. In
Category

21st Century and Contemporary Italian Contemporary Cufflinks

Materials

Onyx, Sterling Silver

Vintage Tiffany & Co. Black Onyx Yellow Gold Dumbbell Cufflinks
By Tiffany & Co.
Located in Holland, PA
14k Yellow Gold Black Onyx Dumbbell Cufflinks by Tiffany Co. With 2 round black onyx stones 11mm
Category

20th Century American Cufflinks

Materials

Onyx, Yellow Gold

Alex Jona Black Onyx Prism Bar Sterling Silver Cufflinks
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, Black Onyx prism bar cufflinks mounted in
Category

21st Century and Contemporary Italian Cufflinks

Materials

Onyx, Sterling Silver

1980S Onyx 18K Yellow Gold Black Dot Tuxedo Cufflinks
Located in Miami, FL
Bright and dazzling highly polished men's cufflinks, with a modern three-black dotted style
Category

Vintage 1980s American Modern Cufflinks

Materials

Onyx, Yellow Gold

18 Karat Gold, Black Onyx and Diamond Vintage Cufflinks
Located in London, GB
carved Black Onyx. Each decorated with a cross of twenety-one white Diamonds, set with 4-grains in White
Category

Vintage 1970s British Retro Cufflinks

Materials

Diamond, Onyx, Gold, 18k Gold, Yellow Gold

18 Karat Gold, Black and White Onyx Diamond Cufflinks
Located in London, GB
18 Karat Gold 1970s Cufflinks. Each Cufflink is half and half Black and White Smooth Onyx, both
Category

Vintage 1970s British Retro Cufflinks

Materials

Diamond, Onyx, Gold, 18k Gold, Yellow Gold

18 Karat Gold, Black and White Onyx Diamond Cufflinks
18 Karat Gold, Black and White Onyx Diamond Cufflinks
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W 0.4 in D 0.16 in L 0.79 in
Onyx Bullseye Cufflinks
By Tateossian
Located in Fulham business exchange, London
Onyx Bullseye cufflinks Our classic round cufflinks feature semi-precious stones and our signature
Category

21st Century and Contemporary British Cufflinks

Materials

Rhodium

Onyx Bullseye Cufflinks
Onyx Bullseye Cufflinks
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H 0.63 in W 0.28 in L 0.63 in
Berca Hand Inlaid Black Onyx Baton Sterling Silver Cufflinks
By Berca Atelier
Located in Valenza, IT
Smart, chic yet timeless Hand Inlaid Natural Onyx Baton in a Sterling Silver Setting. In our fitted
Category

21st Century and Contemporary Italian Contemporary Cufflinks

Materials

Onyx, Sterling Silver

Gold Onyx Enamel Penguin Cufflinks
Located in Firenze, IT
Pair of black and white enamel cufflinks depicting the penguin on the front and onyx baton
Category

21st Century and Contemporary Italian Contemporary Cufflinks

Materials

Onyx, Gold, 18k Gold, Enamel

Ella Gafter Ruby Onyx Cufflinks
By Ella Gafter
Located in New York, NY
(color, clarity and cut) against a background of custom cut black onyx, lending the jewel a distinctive
Category

21st Century and Contemporary Italian Artist Cufflinks

Materials

White Diamond, Ruby, Diamond, Onyx, 18k Gold, White Gold

Ella Gafter Ruby Onyx Cufflinks
Ella Gafter Ruby Onyx Cufflinks
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W 0.75 in L 0.75 in
Cartier Art Deco Rose-Cut Diamond Black Onyx Platinum Cufflinks
By Cartier
Located in New York, NY
These exquisite Cartier Art Deco round cufflinks are crafted in platinum and black onyx and set
Category

Vintage 1910s French Cufflinks

Materials

Diamond, Onyx, Platinum

Rectangular 925 Sterling Silver Cufflinks with Black Onyx Rhodium Plated
By Victor Mayer
Located in Pforzheim, DE
Rectangular Cufflinks, Hallmark Collection by Victor Mayer, 925 Sterling Silver, Black Onyx
Category

21st Century and Contemporary German Contemporary Cufflinks

Materials

Onyx, Silver, Sterling Silver, Rhodium

1.39 Carat Black Onyx and 1.14 Carat Diamond Baguette Cufflinks
By Zahira Fine Jewellery
Located in Bangkok, TH
baguettes are beauifully set with black onyx and pave'd diamonds. This is a true gentlemen's statement piece
Category

2010s Thai Art Deco Cufflinks

Materials

Diamond, Onyx, 18k Gold

Tiffany & Co. Onyx Gold Barbell Cufflinks
By Tiffany & Co.
Located in Darnestown, MD
Classic 18 karat gold barbell cufflinks by Tiffany and Co. with a black onyx ball reversing to a
Category

Vintage 1960s American Cufflinks

Materials

Onyx, 18k Gold

Tiffany & Co. Onyx Gold Barbell Cufflinks
Tiffany & Co. Onyx Gold Barbell Cufflinks
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Dm 0.44 in L 1.07 in
Alex Jona Onyx Sterling Silver Cufflinks
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, sterling silver cufflinks with black onyx bar
Category

2010s Italian Cufflinks

Materials

Onyx, Sterling Silver

Alex Jona Onyx Sterling Silver Cufflinks
Alex Jona Onyx Sterling Silver Cufflinks
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W 2.12 in L 7.55 in
Yellow Gold Hexagon Black Onyx and Mother-of-pearl Cufflinks
Located in New York, NY
outfit. The black onyx and mother-of-pearl stones are hand cut and expertly placed, creating a beautiful
Category

21st Century and Contemporary American Art Deco Cufflinks

Materials

Onyx, 18k Gold, Yellow Gold

18k Rose Gold Cufflinks with Rubylite and Hand-Cut Black Onyx
Located in New York, NY
black onyx creates a visually captivating composition that commands attention. These cufflinks are
Category

2010s American Cufflinks

Materials

Onyx, 18k Gold, Rose Gold

Square Cufflinks with Rhombus Black Onyx Centre in 14Kt Yellow Gold
By Nicofilimon the Jewelry Designer
Located in Athens, GR
Square cufflinks handcrafted in 14Kt yellow gold featuring a rhombus black onyx centre. The black
Category

2010s Greek Modern Cufflinks

Materials

Onyx, Gold, 14k Gold, Yellow Gold

Square Cufflinks with Rhombus Black Onyx & Brilliant Diamonds 14Kt Yellow Gold
By Nicofilimon the Jewelry Designer
Located in Athens, GR
Square cufflinks handcrafted in 14Kt yellow gold featuring a rhombus black onyx centre and
Category

2010s Greek Modern Cufflinks

Materials

Diamond, Onyx, Gold, 14k Gold, Yellow Gold

Art Deco Black Onyx and Diamond White Gold Cufflinks Circa 1920
Located in Jesmond, Newcastle Upon Tyne
These impressive antique Art Deco cufflinks are fine quality set with black onyx panels and very well
Category

Vintage 1920s Unknown Art Deco Cufflinks

Materials

Diamond, Onyx, White Gold

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Black Onyx Cufflink For Sale on 1stDibs

Find the exact black onyx cufflink you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, 18k Gold and Yellow Gold, this item was constructed with great care. Our collection of these items for sale includes 119 vintage editions and 58 modern creations to choose from as well. Finding the perfect black onyx cufflink may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. A black onyx cufflink from Tiffany & Co., Bulgari and Deakin & Francis — each of whom created a beautiful version of this treasured accessory — is worth considering. While most can agree that any black onyx cufflink from our collection can easily elevate most outfits, but the choice of a Onyx version from the 114 available is guaranteed to add a special touch to your ensemble. 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 mixed cut and oval cut alternatives. Finding a black onyx cufflink for sale for men should be easy, but there are 71 pieces available to browse for unisex as well as women, too.

How Much is a Black Onyx Cufflink?

The price for a black onyx cufflink starts at $150 and tops out at $27,251 with these cufflinks, on average, selling for $1,995.

Finding the Right cufflinks for You

Cufflinks rose to popularity during the 1800s as fashionable men sought a refined and elegant solution for keeping their shirtsleeves together. Prior to this accessory, which initially materialized as a simple chain fastened to a button, men were lacing the ends of their sleeves with ribbon or string. Today, there are all manner of antique and vintage cufflinks that add flair and functionality to relaxed casual wear as much as they do for classy formal attire.

It wasn’t long before diamonds, emeralds and other precious gemstones began to appear on cufflinks, a means of adding ornament to clean and starched formal wear. When clothing manufacturers began to produce shirt cuffs and collars with more durable materials during the 19th century, a class of newer, stronger cufflinks gained credibility as being both essential and stylish. In the decades following this era’s design evolution, an entire industry bloomed around the craft of these subtle statement pieces.

Luxury brands more often associated with engagement rings and bracelets, such as Cartier and Tiffany & Co., have added cufflinks to their lines over the years, and jewelry designers, working in numerous styles, have explored the use of different materials and integrated a variety of ornamentation. Understated cufflinks of gold and platinum are guaranteed to cleanly complement any ensemble, while more niche designs allow the jewels to truly shine.

Cufflinks are practical pieces of jewelry that can also be very expressive. Consider the event for which you’re donning cufflinks and accessorize accordingly, but know that a distinctive pair of cufflinks, such as the colorful confections offered by Trianon, can pop against your dressy evening wear. Whether they’re geometric wonders of the Art Deco era, reliably relevant skull jewels or glittering accessories designed by Van Cleef & Arpels, adorned with the maison’s celebrated four-leaf clover or prominent animal motifs, you can delicately break from what can be a stuffy business meeting by introducing personality and pizzazz with a duo of nifty cufflinks.

A carefully chosen set of cufflinks can bring a stylish outfit together — literally. Find a large, luxurious collection of contemporary cufflinks as well as irresistible vintage pieces on 1stDibs today.

Questions About Black Onyx Cufflink
  • 1stDibs ExpertOctober 12, 2021
    The material of the ring setting is a driving factor in what a black onyx ring is worth. An onyx ring with a sterling silver ring setting can be purchased at under $30 as well. Black onyx is a semi-precious gemstone, with prices ranging from $1 to $500 per carat. Find a collection of vintage and designer black onyx rings on 1stDibs today.
  • 1stDibs ExpertApril 5, 2022
    One way to tell if your black onyx is real or not is to use a scratch test. Because black onyx clocks in at 6.5 to 7 on the Mohs scale of mineral hardness, it can’t be scratched by softer materials. Use a copper penny or a steel knife and scratch the surface of your stone. If the object leaves a scratch on the stone, it isn’t real black onyx. On 1stDibs, you’ll find a collection of genuine black onyx jewelry from some of the world’s top sellers.
  • A black onyx ring is a ring set with an onyx gemstone. Onyx is a semi-precious gemstone that typically comes in the color black.