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Onyx Ruby Diamond Signet Ring
Located in London, GB
A stunning black Onyx Signet Ring, adorned with rubies and diamonds on 18k gold, a true masterpiece.
Category

Vintage 1960s British Signet Rings

Materials

Diamond, Onyx, Ruby, 18k Gold

14 Karat Yellow Gold Vintage Black Onyx Signet Ring
Located in Scottsdale, AZ
Designer: custom design Material: 14k yellow gold Ring Size: 10.25 (please allow two additional
Category

21st Century and Contemporary More Rings

Materials

Onyx, 14k Gold, Yellow Gold

Vintage 9k gold and Onyx Signet ring, Pinky ring
Located in NEWARK, GB
This stylish vintage 9ct gold and Black onyx signet ring is the perfect pinky ring choice! It has
Category

Late 20th Century British Retro Signet Rings

Materials

Onyx, 9k Gold, Yellow Gold

10k Gold Vintage Signet Style Black Onyx Intaglio Ring
Located in Southport, CT
10k gold ring. This handsome vintage signet style class ring features a center, oval black onyx
Category

Mid-20th Century Unknown Retro Signet Rings

Materials

Onyx, 10k Gold

Vintage 1950s Black Onyx and Yellow Gold Signet Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive vintage black onyx and 14 karat yellow gold Army Air Corps signet ring with a
Category

Vintage 1950s British Signet Rings

Materials

Onyx, 14k Gold, Yellow Gold

Chushev Hercules Black Onyx Intaglio Sterling Silver Signet Ring
By Chushev
Located in Canoga Park, CA
This exquisite intaglio is masterfully engraved onto a black onyx gemstone. The gem is set in a
Category

2010s Classical Greek Signet Rings

Materials

Onyx, Sterling Silver

David Yurman Signet Ring in Sterling Silver with Black Onyx
By David Yurman
Located in New York, NY
Exotic Stone Signet Ring in Sterling Silver with Black Onyx Size 10.5 Sterling silver Black onyx
Category

2010s Signet Rings

Materials

Onyx, Sterling Silver

Signet Onyx Diamond ring 10KT gold
Located in Boca Raton, FL
Stunning large signet ring with small diamonds in the center made in 10KT yellow gold, designer
Category

20th Century Signet Rings

Materials

Diamond, Onyx, Gold, 10k Gold

14 Karat Yellow Gold Black Onyx Signet Style Ring
Located in Scottsdale, AZ
Designer: custom design Material: 14k yellow gold Ring Size: 8 (please allow two additional
Category

21st Century and Contemporary Signet Rings

Materials

Onyx, 14k Gold, Yellow Gold

Vintage 8 Karat Gold Black Onyx Rectangle Large Signet Ring
Located in Vilnius, LT
This is a vintage large signet ring crafted in 8K slightly yellow gold. Circa 1980. It features
Category

Late 20th Century Modern Signet Rings

Materials

Onyx, Gold

18ct Yellow Gold Onyx Signet Ring, Kutchinsky, 1971
By Joseph Kutchinsky
Located in Glasgow, GB
An Elizabeth II 18ct yellow gold textured and rectangular black onyx signet style dress ring by
Category

Vintage 1970s British Modern Signet Rings

Materials

Onyx, Gold, 18k Gold, Yellow Gold

Vintage Onyx and 9 Carat Gold Masonic Signet Ring
Located in Chipping Campden, GB
within the glossy black onyx. Made in London, England. Ring Size: U 1/2 or 10 1/4 Widest point: 13.5mm
Category

Vintage 1950s British Modern Signet Rings

Materials

Onyx, Gold, 9k Gold

Antique Diamond Black Onyx 14k White Gold Victorian Mourning Pinky Signet Ring
Located in North Attleboro, MA
ring is a rectangular black onyx with angled corners set with ornate prongs. The onyx is accented with
Category

Antique Late 19th Century American High Victorian Signet Rings

Materials

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

Ceramic Signet Ring with Onyx, Size L
By Tateossian
Located in Fulham business exchange, London
Ceramic Signet Ring with Onyx, Size L Made from black ceramic, a material known for its hard
Category

21st Century and Contemporary British Signet Rings

Ceramic Signet Ring with Onyx, Size M
By Tateossian
Located in Fulham business exchange, London
Ceramic Signet Ring with Onyx, Size M Made from black ceramic, a material known for its hard
Category

21st Century and Contemporary British Signet Rings

Ceramic Signet Ring with Onyx, Size S
By Tateossian
Located in Fulham business exchange, London
Ceramic Signet Ring with Onyx, Size S Made from black ceramic, a material known for its hard
Category

21st Century and Contemporary British Signet Rings

Vintage Circa 1970s Grooved Black Buff Top Onyx Signet Ring 9 Carat Yellow Gold
Located in Hamilton, AU
collection. The Melia Ring Gem Details The black onyx rectangular buff top measures approximately 11.0x9.70
Category

20th Century Unknown Modern Signet Rings

Materials

Onyx, Gold, 9k Gold, Yellow Gold

Yellow Gold Onyx Initial N Signet Men's Ring - 10k Monogram Letter
Located in Greensboro, NC
Metal Content: 10k Yellow Gold Stone Information Natural Onyx Color: Black Size: 15.8mm x 11.9mm
Category

21st Century and Contemporary Signet Rings

Materials

Onyx, 10k Gold, Yellow Gold

14 Karat Black Onyx Ring
Located in Palm Desert, CA
14 Karat Black Onyx Ring. The ring features a bezel-set flat circle black onyx. The Onyx 10mm and
Category

Vintage 1980s Unknown Retro Signet Rings

Materials

Onyx, Gold, 14k Gold, Yellow Gold

Antique Victorian 18K Rose Gold, Hardstone (Onyx) Cameo Signet Ring, c1870’s.
Located in MELBOURNE, AU
Signet Style Mens’ Ring is dating back to 1870's, yet it's in beautiful condition Set with Black
Category

Antique 1870s English Victorian Signet Rings

Materials

Onyx, Rose Gold, 18k Gold

18K Gold filled Signet ring with Black onyx and 0.03 Carat Natural Diamond
Located in Bangkholem , Bangkok Thailand
Elevate your style with our exquisite 18K Gold Filled Signet Ring, featuring a captivating Black
Category

21st Century and Contemporary Thai Art Deco Signet Rings

Materials

Diamond, 18k Gold, Gold-filled

Custom Made Men's Lion's Crest Diamond 14K Gold/White Nugget & Onyx Signet Ring
Located in Laguna Beach, CA
Custom Made Men's Lion's Crest Diamond 14K Yellow/White Nugget & Onyx Signet Ring Description
Category

2010s North American Modern Signet Rings

Materials

Diamond, Onyx, 14k Gold

Vintage circa 1980s 9 Carat Yellow Gold Rectangular Buff Top Onyx Signet Ring
Located in Hamilton, AU
holding an opulent black rectangular buff-top onyx. We have named this debonair splendour The Rodney Ring
Category

20th Century Unknown Modern Signet Rings

Materials

Onyx, Gold, Yellow Gold, 9k Gold

1859 Nordic Signet Ring Red Onyx solid 20K Gold Ø US5 / 1.7 gr
Located in SE
Signet Ring with plain band adorned with bezel set polished plate of natural Red Onyx stone 9 mm x
Category

Antique 1850s Swedish Aesthetic Movement Signet Rings

Materials

Onyx, 22k Gold

Art Deco Style 10Kt. Solid Gold Signet Ring With Black Onyx and Diamond Size 10
Located in Long Beach, CA
UNISEX RING STYLE / REFERENCE: Art Deco Signet Ring METAL / MATERIAL: 10Kt. Solid Gold with Onyx
Category

Vintage 1940s American Art Deco Signet Rings

Materials

10k Gold

EMBLM Black Hole Ring – 14k Yellow Gold, Onyx Center Stone
Located in Los Angeles, CA
The Black Hole Ring – designed and handmade by EMBLM Fine Jewelry The black onyx center stone of
Category

2010s American Signet Rings

Materials

Onyx, Gold, 14k Gold

Black Onyx Horseshoe Horse Head Ring 14k Yellow Gold
Located in Sugar Land, TX
♥ Product Summary ♥ Stone: Onyx Band Material: 14k Yellow Gold (stamped) Weight: 9 grams
Category

21st Century and Contemporary American Signet Rings

Materials

Onyx, 14k Gold, Yellow Gold

Berca Round Onyx Black Spiderweb Hand Enameled Sterling Silver Cocktail Ring
By Berca Atelier
Located in Valenza, IT
Contemporary, Chic yet Unique Signet or Cocktail Ring featuring a round black onyx disk in a black
Category

2010s Italian Contemporary Signet Rings

Materials

Onyx, Sterling Silver, Enamel

Ruth Nyc x Tea Leigh Pony Signet Ring, Sterling Silver with Black Diamonds
Located in Long Island City, NY
A rearing horse, deeply engraved in silver and saddled between two black onyx flowers. The ring
Category

2010s American Contemporary Signet Rings

Materials

Black Diamond, Sterling Silver

Vintage Circa 1970s Rectangular Buff Top Black Onyx Ring 9 Carat Yellow Gold
Located in Hamilton, AU
A bold rectangular buff top jet onyx makes The Zoya Ring a debonair signet ring, the perfect
Category

20th Century Unknown Modern Signet Rings

Materials

Onyx, Gold, 9k Gold, Yellow Gold

Antique Signet Intaglio Ring Sardonyx solid 18K Gold ØUS3.5 / 7.1gr
Located in SE
arms. Unisex type ring, just adjust the size to fit your little finger. The body of the stone is black
Category

Early 20th Century Swedish Arts and Crafts Signet Rings

Materials

Onyx, 18k Gold

Black Onyx and Diamond Halo Men's Band 14K Yellow Gold .25 Carat Diamond Ring
By Five Star Jewelry
Located in Austin, TX
This black onyx and diamond man's ring is stunning piece has a genuine black onyx gemstone set in a
Category

21st Century and Contemporary Unknown Modern Signet Rings

Materials

Diamond, Onyx, 14k Gold, Yellow Gold

Vintage 14k Gold & Onyx Ring One-of-a-kind
Located in London, GB
Vintage 14k Gold & Onyx Ring One-of-a-kind This vintage ring from the 80s would compliment any
Category

20th Century Signet Rings

Materials

Onyx, 14k Gold, Yellow Gold

Signet of Many Faces – 9ct solid Gold
By Kasun London
Located in London, GB
Signet rings have many connotations attached to them. Though first devised to seal correspondence
Category

2010s British Contemporary Signet Rings

Materials

Onyx, Gold, 9k Gold, Yellow Gold

Yellow Gold Onyx & Diamond Dad Men's Ring - 10k Father's Gift
Located in Greensboro, NC
& 10k White Gold Stone Information Natural Onyx Color: Black Natural Diamonds Cut: Single Stone Note
Category

21st Century and Contemporary Signet Rings

Materials

Diamond, Onyx, 10k Gold, White Gold, Yellow Gold

Yellow Gold Blue Lodge Blue Enamel Men's Master Mason Ring - 10k Onyx Masonic
Located in Greensboro, NC
Information Natural Onyx Color: Black Material Information Material: Enamel Color: Blue Measurements Face
Category

21st Century and Contemporary Signet Rings

Materials

Onyx, 10k Gold, Yellow Gold, Enamel

Yellow Gold Blue Lodge Vintage Men's Master Mason Ring -10k Onyx Diamond Masonic
Located in Greensboro, NC
: Vintage Metal Content: 10k Yellow Gold & 10k White Gold Stone Information Natural Onyx Color: Black
Category

21st Century and Contemporary Signet Rings

Materials

Diamond, Onyx, 10k Gold, White Gold, Yellow Gold

Unisex Carnelian Carved Horse 18 Karat Yellow Gold Citrino Round Cut Signet Ring
By Rossella Ugolini
Located in Rome, IT
gold embellish with two yellow Citrine cabochon cut . A Unisex Unique Design Signet Ring for a Horse
Category

2010s Italian Artisan Signet Rings

Materials

Carnelian, Citrine, Gold, 18k Gold, Yellow Gold

White Gold Order of the Eastern Star Vintage Ring - 14k Onyx Women's Masonic OES
Located in Greensboro, NC
Metal Content: 14k White Gold & 14k Yellow Gold Stone Information Natural Onyx Color: Black Material
Category

20th Century Signet Rings

Materials

Onyx, 14k Gold, White Gold, Enamel

1970's Gent's Diamond Onyx 14 Karat Yellow & White Gold 'Rolex' Style ring
Located in Boca Raton, FL
Gent's Rolex Style ring crafted in 14 karat yellow & white gold. The ring features a cabochon black
Category

Vintage 1970s American Modern Signet Rings

Materials

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

David Yurman Black Onyx Signet Men's Ring in 18 Karat Gold
By David Yurman
Located in New York, NY
-Material: 18k Yellow Gold -Ring size: 9 -Black Onyx: 11x14mm -Ring weight: 18.3gr -Ring width: 4.8
Category

21st Century and Contemporary More Rings

Materials

Onyx, Gold, 18k Gold

David Yurman Black Onyx Signet Men's Ring in 18 Karat Gold
By David Yurman
Located in New York, NY
-Material: 18k Yellow Gold -Ring size: 7 3/4 -Black Onyx: 11x14mm -Ring weight: 18.3gr -Ring width
Category

21st Century and Contemporary More Rings

Materials

Onyx, Gold, 18k Gold

Unisex Black and White Carved Horse 18 Karat Gold Rubellite Onyx Signet Ring
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Design Collection hand carved Black Onyx and White Agate Handcrafted Horse ring
Category

2010s Italian Art Deco Band Rings

Materials

Agate, Onyx, Rubelite, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold

14K Yellow Gold Black Onyx Bezel Set & Round Cut Emerald Men's Wide Signet Ring
Located in Jupiter, FL
: Black Onyx Shape: Cushion Weight: Approx 5-Carats Color: Black Treatments: Natural Secondary Stone
Category

2010s Colombian Fashion Rings

Materials

Emerald, Onyx, Gold, 14k Gold, Yellow Gold

Victorian 18 Karat Gold Onyx Rose Cut Diamond Rectangle Signet Ring
Located in Vilnius, LT
This is an amazing Victorian rectangle signet ring crafted in 18K gold. It features black onyx and
Category

Antique Late 19th Century French Victorian Cocktail Rings

Materials

Diamond, Onyx, Gold, 18k Gold

MONTANA 18k White Gold Ring with Black Onyx
By Rockford Collection
Located in New York, NY
The MONTANA gold signet ring was designed with stunning classic solid gold. It includes a black
Category

2010s American Contemporary Wedding Rings

Materials

Onyx, White Gold, 18k Gold

Customizable Round Signet Ring - 18k Yellow Gold - 1 Niccolo Diameter 15.0 mm
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer customizable round signet ring 18k yellow, 1 dark onyx (so-called niccolo), diameter
Category

21st Century and Contemporary German Contemporary More Rings

Materials

Onyx, 18k Gold, Yellow Gold

Unisex Carved Horse Blue Agate 18 Karat Gold Indigo Blue Round Cut Signet Ring
By Rossella Ugolini
Located in Rome, IT
gold embellish with two Indigo Blue cabochon cut Iolite. A Unisex Unique Design Signet Ring for a
Category

2010s Italian Art Deco Band Rings

Materials

Agate, Iolite, Gold, 18k Gold, Yellow Gold

Roman Onyx Intaglio and Yellow Gold Ring
Located in London, GB
A Roman onyx intaglio and yellow gold ring, the oval- shaped onyx measuring approximately 11 x 8.5
Category

Antique 19th Century Italian Romantic Signet Rings

Materials

Onyx, 18k Gold, Yellow Gold

14 Karat Yellow Gold and Black Onyx Signet Ring with White Diamond Pavé Detail
By DRU.
Located in Los Angeles, CA
This 14k Signet has the same unique shape of the classic "en theos" Signet, but features a black
Category

2010s American Contemporary Signet Rings

Materials

White Diamond, Onyx, 14k Gold

Sterling Silver and Black Onyx Oblong Signet Ring
By DRU.
Located in Los Angeles, CA
The sterling silver Black Onyx Signet has a chic oblong shape that complements all fingers. It
Category

2010s American Contemporary Signet Rings

Materials

Onyx, Sterling Silver

Renesim Onyx White Gold Signet Ring
By Maximilian Hemmerle for RenéSim
Located in Munich, DE
This timeless signet ring is crafted in 18K white gold and features a 13 x 10 mm black onyx, which
Category

21st Century and Contemporary German Contemporary Signet Rings

Materials

Onyx, 18k Gold, White Gold

Antique Victorian Venus Mars Onyx Cameo Signet Ring
Located in Sale, Cheshire
Love & War. A substantial antique signet ring set with an onyx cameo depicting Venus and Mars, both
Category

Antique 19th Century French Victorian Signet Rings

Materials

Onyx, 18k Gold

14 Karat Yellow Gold and Black Onyx Oblong Signet
By DRU.
Located in Los Angeles, CA
cabochon black onyx set into the top of the signet and 22 pavé black onyx around the edges. This ring is
Category

2010s American Contemporary Signet Rings

Materials

Onyx, 14k Gold

14 Karat Rose Gold and Black Onyx Oblong Signet
By DRU.
Located in Los Angeles, CA
cabochon black onyx set into the top of the signet and 22 pavé black onyx around the edges. This ring is
Category

2010s American Contemporary Signet Rings

Materials

Onyx, 14k Gold

14 Karat Yellow Gold and Black Onyx Oblong Signet
By DRU.
Located in Los Angeles, CA
cabochon black onyx set into the top of the signet and 22 pavé black onyx around the edges. This ring
Category

2010s American Contemporary Signet Rings

Materials

Onyx, 14k Gold

14 Karat Rose Gold and Pink Opal Signet Ring with Pavé Black Onyx
By DRU.
Located in Los Angeles, CA
This 14k Signet features a pink opal cabochon surrounded by pavé black onyx. It has a flat
Category

2010s American Signet Rings

Materials

Onyx, Opal, 14k Gold

9 kt Yellow Gold, Onyx and Diamond Gentleman's Signet Ring with Oval Face
Located in Windsor Forest, Berkshire
A 9 kt Yellow Gold, Onyx and Diamond Gentleman's Signet Ring with Oval Face. The central diamond
Category

Vintage 1960s British Modern Signet Rings

Materials

Diamond, Onyx, Yellow Gold

14 Karat Yellow Gold Black Onyx Enamel Imperial Eagle Men's Ring
Located in Fort Lauderdale, FL
Vintage Men's shield and eagle ring in 14-karat yellow gold with black onyx and enamel. Size, 13
Category

Late 20th Century Unknown Signet Rings

Materials

Onyx, 14k Gold

Retro Black Onyx Gent Yellow Gold Ring, .80 Carat Channel-Set Diamonds
Located in Aliso Viejo, CA
Retro Black Onyx, Channel-Set Diamonds, Yellow Gold Ring features a flat polished black onyx stone
Category

Vintage 1980s Unknown Retro Signet Rings

Materials

White Diamond, Onyx, 14k Gold

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Black Onyx Signet Ring For Sale on 1stDibs

Surely you’ll find the exact black onyx signet ring you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using Silver, Sterling Silver and Gold. Our collection of these items for sale includes 20 vintage editions and 9 modern creations to choose from as well. If you’re looking for a black onyx signet ring from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. Creating a black onyx signet ring has been a part of the legacy of many jewelers, but those produced by Berca Atelier, BOON and Bulgari are consistently popular. While most can agree that any black onyx signet ring from our collection can easily elevate most outfits, but the choice of a Onyx version from the 18 available is guaranteed to add a special touch to your ensemble. See these pages for an oval cut iteration of this accessory, while there are also cabochon cut and rough cut cut versions available here, too. When shopping for a black onyx signet ring, you’ll find that there are less available pieces for unisex or women today than there are for men.

How Much is a Black Onyx Signet Ring?

The price for a black onyx signet ring starts at $375 and tops out at $2,870 with these rings, on average, selling for $1,500.

Finding the Right signet-rings for You

Traditionally considered a ring for men, a vintage signet ring is a popular gift today for anyone who desires an expressive, timeless piece of jewelry that can feature all manner of engraved motifs, gemstones, specific symbols or monograms.

Whether it's an antique gold signet ring, diamond signet ring or some other classic iteration, signet rings get their name from signus, which means “sign” in Latin.

These rings, which may historically be referred to as “seal rings,” date back thousands of years and were used as a form of signature. Whatever may have been engraved on the ring — a married couple’s initials, a family crest — identified ownership for the purposes of authenticating documents and more when impressed on soft wax. During the Middle Ages, signet rings were symbols of power and prestige and common accessories for nobility. Later, during the 19th century, precious and semiprecious stones such as rubies and diamonds were added to gold signet rings as they took on a more ornate appearance than they had previously. 

In recent years, fashion has been primarily about individuality, and nothing is more personal than a jewel bearing a name or monogram. That is the reason jewelers have revived traditional signet rings, custom-engraving their designs with customers’ preferred words or symbols. Those who prefer the thrill of the hunt have a range of vintage letter charms and pendants to sift through.

And it isn't all about men's signet rings anymore, either — the accessory is for everyone. Princess Diana wore a signet ring that was a gift from Charles before their wedding, and we all know that the royals are top-tier fashion influencers, especially when it comes to rings.

Find vintage diamond signet rings, onyx signet rings and other types of rings on 1stDibs.

Questions About Black Onyx Signet Ring
  • 1stDibs ExpertApril 5, 2022
    What wearing a signet ring means has changed over time. Today, most people wear signet rings to represent their personal prestige or to celebrate their heritage. When first designed during Victorian times, signet rings allowed men to seal their letters with a customized stamp. Find a range of signet rings on 1stDibs.
  • 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.
  • 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.