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Stone Cut: Square Cut
1984 Signet Men Ring 4ct natural Onyx solid 18K Gold Ø 9.75 US / 3.5 gr
Located in SE
ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular convex cut and polished 11 x 11 mm x 2.2 mm deep/ about 4 ct .
Swedish ring, ...
Category
1980s Swedish Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1916 Signet Ring 2.75 ct. natural Carnelian solid 18K Gold Ø 7 US / 2.2 gr
Located in SE
ϟignet Ring in solid 18K Yellow Gold decorated with natural Carnelian stone rectangular cut and polished 9 mm x 8 mm x 2.2 mm deep / about 2.75 ct. Note the intricate hand - engraved...
Category
1910s Swedish Retro Vintage Square Cut Signet Rings
Materials
Carnelian, 18k Gold
1945 Signet Ring 3.5 ct natural Onyx solid 18K Gold Ø 6.5 US / 2.7gr
Located in SE
ϟignet Ring in solid 18K Yellow Gold decorated with natural black Onyx stone rectangular cut and polished 12 mm x 8.5mm x 2.6mm deep / about 3.5 ct. Initially designed for men but c...
Category
1940s Swedish Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1950 Signet Men Ring ct natural Onyx solid 18K Gold Ø 9.75 US / 5.51gr
Located in SE
ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 13 x 10 mm x 2.8 mm deep/ about 4.5 ct .
Swedish ring, hall...
Category
1950s Swedish Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
Vintage Men Signet Ring natural 11ct. Jade solid 18K Gold Ø 8.5US / 11.5 gr.
Located in SE
ϟignet Ring - adorned with bezel set polished natural high grade Jade stone with flat surface polished to high gloss 15 mm x 13mm x 2.7mm deep / ca 11 ct
European,ca. 1960s -1970s ....
Category
1970s European Retro Vintage Square Cut Signet Rings
Materials
Onyx, Jade, 18k Gold, Platinum
Vintage Signet Men Ring 4ct natural Onyx solid 18K Gold Ø US 10.75 / 4.9gr
Located in SE
ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 12 mm x 10 mm / about 4 ct .
European, hand - made ca.1950s...
Category
1950s European Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1957 Men Signet Ring Onyx solid 18K Gold US8.5 / 2.38gr
Located in SE
ϟiignet Ring for Men in solid 18K Yellow Gold with carved shoulders decorated with natural black Onyx stone stone rectangular cut and polished 12mm x 9mm x 2.25mm deep/ about 2.5 ct...
Category
1950s Swedish Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1953 Signet Men Ring natural 4.5ct Onyx solid 18K Gold Ø 10.5 US / 5 gr
Located in SE
ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 15.5 x 11,5 mm x 2.4 mm mm deep/ about 4.5 ct . Crown part is...
Category
1950s Swedish Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1954 Signet Men Ring 4.5ct natural Onyx solid 18K Gold Ø 9.25 US / 4.25gr
Located in SE
ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone transitional rectangular cut and polished 15 x 12 mm x 2.3 mm mm deep/ about 4.5 ct .
Swe...
Category
1950s Swedish Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1954 Signet Men Ring 5ct natural Onyx solid 18K Gold Ø 10.5 US / 5.38gr
Located in SE
ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 15 x 12 mm x 2.56 mm deep/ about 5 ct .
Swedish ring, hallm...
Category
1950s Swedish Retro Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1965 Men Signet Ring Hematite solid 18K Gold Ø 9.75 US / 5.48 gr
Located in SE
Men Signet Ring in elegant design decorated with highly reflective Hematite stone.
Full set of Swedish hallmarks , 18k, maker's and date code is P9 / hand - made in 1965.
Radiant c...
Category
1960s Swedish Retro Vintage Square Cut Signet Rings
Materials
Hematite, 18k Gold
Antique Mars Ares Ring Intaglio Red Onyx solid 18K Gold ØUS 6.75 / 16.3 gr
Located in SE
Signet Intaglio Ring in solid 18K Orange / Rose / Red Gold with bezel set fine intaglio on Red Onyx depicting Greek Ares (Roman Mars ) - God of War and also an agricultural guardian....
Category
1910s European Art Deco Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
1940 Signet Ring Leopard Intaglio Red Onyx solid 18K Gold ØUS4.5 / 7.2gr
Located in SE
Nobility Intaglio Signet Ring for Men or Women with Coats of Arms hand - engraved into the deep of hard Red Onyx Stone. I could not id the Name associated with this design. On the ...
Category
1940s Swedish Empire Vintage Square Cut Signet Rings
Materials
Onyx, 18k Gold
Art Deco Ruby and 18 Carat gold Panel Ring
Located in Chipping Campden, GB
This gorgeous panel style ring holds a 30pt pink ruby and there are also diamonds. The diamond total of this ring is 14pts and all the stones are set in platinum.
Size: Q or 8
Fac...
Category
1910s British Vintage Square Cut Signet Rings
Materials
Ruby, Gold, Yellow Gold
Vintage Onyx and 9 Carat Gold Signet Ring
Located in Chipping Campden, GB
The Onyx stone is set within the 9ct gold band with decorative shoulders. Fully hallmarked 1988.
Ring Size: S or 9
Stone Dimensions: 12x9mm
Weight: 3.2g
Category
1980s British Vintage Square Cut Signet Rings
Materials
Onyx, Gold
Vintage 14k Yellow Gold Square Cut Emerald and Diamond Men
s Ring
Located in Boca Raton, FL
Vintage 14k Yellow Gold Square Cut Emerald and Diamond Men's Ring
This stunning Emerald Diamond Men's Ring is ready to ship!
Type: Ring
Material: 14k Yellow Gold
Gemstone Details: ...
Category
21st Century and Contemporary Unknown Modern Square Cut Signet Rings
Materials
Diamond, White Diamond, Emerald, Gold, Yellow Gold, 14k Gold
French Retro 1950s Lapis Lazuli 18 Karat Yellow Gold Signet Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold, eagle head hallmark.
A sublime antique men's signet ring adorned with flat, matte, close-set lapis lazuli. On either side, the start of the ring is ador...
Category
1950s French Retro Vintage Square Cut Signet Rings
Materials
Lapis Lazuli, Gold, 18k Gold, Yellow Gold
1940s 4.50 Carats Aquamarine 18 Karat Yellow Gold Retro Signet Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold, owl hallmark.
Tank ring, it is decorated on its top of a rectangular aquamarine retained with 4 broad flat claws on both sides. The start of the ring forms a pattern like a bow tie adorned with 2 falling rose-cut diamonds each. The profiles of the ring are openworked with arabesque patterns.
Total weight of the aquamarine : 4.50 carats approximately.
Total weight of the diamonds : 0.08 carat approximately.
Height : 15.4 mm approximately, width : 8.3 mm approximately, thickness : 7 mm approximately, width of the ring at the base : 4 mm approximately.
Total weight of the jewel : 10,5 g approximately.
US Size : 5 ; Free resize, please contact us.
Authentic antique jewel - Work of the 1940s, small chip at one corner of the aquamarine, very little visible.
Our opinion : an antique aquamarine ring...
Category
1940s French Retro Vintage Square Cut Signet Rings
Materials
Aquamarine, Gold, 18k Gold, Yellow Gold
Vintage 900 Platinum Black Onyx Rectangle Signet Ring
Located in Vilnius, Vilniaus apskr.
This is a vintage signet ring crafted in 900 platinum. Circa 1980.
The piece features rectangle black onyx.
Weight: 10.75g
Size: 18.75 (US 8.75)
IMPORTANT: please ask about the ...
Category
20th Century Modern Square Cut Signet Rings
Materials
Onyx, Platinum
Vintage 2000 Cartier Tank Chalcedony Ring in White Gold
By Cartier
Located in London, England
A beautiful vintage Cartier Tank chalcedony ring set in 18k white gold from 2000.
From the discontinued collection, this ring solely features a square cut rutilated chalcedony, whic...
Category
21st Century and Contemporary French Modern Square Cut Signet Rings
Materials
Chalcedony, Gold, 18k Gold, White Gold
Gothic "S" Onyx Gold Initial Ring Victorian
Located in Wallkill, NY
Early Initial ring S 10K Gold. Onyx base. The Ring is a size 9 it can be size by your jeweler or us. This is out of a massive collection of Hopi, Zuni, Na...
Category
1860s Victorian Antique Square Cut Signet Rings
Materials
Onyx, Gold, 10k Gold, Rose Gold
Vintage 9 Karat Gold Black Chalcedony Rectangle Signet Ring
Located in Vilnius, Vilniaus apskr.
This is a vintage signet ring crafted in 9K gold. Circa 1980.
It features rectangle black chalcedony.
Weight: 8.36g
Size: 17.25 (US 7)
IMPORTANT: please ask about the possibilit...
Category
Late 20th Century Modern Square Cut Signet Rings
Materials
Chalcedony, Gold, 9k 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
Style: Signet
Theme: Initial N, Monogram Letter
Features: Smoothly Finished with Cr...
Category
21st Century and Contemporary Square Cut Signet Rings
Materials
Onyx, 10k Gold, Yellow Gold
Antique Mother-of-Pearl Gaming Counter 18k Yellow Gold
Silver Ring with Bands
Located in Los Angeles, CA
This ring features an antique, mother-of-pearl Chinese gambling counter with motifs dating back to the 18th century. This piece was originally carved in China for export to Britain. ...
Category
Late 18th Century American Artisan Antique Square Cut Signet Rings
Materials
Other, Pearl, Gold, 18k Gold, Yellow Gold, Silver
Vintage Carnelian and 9 Carat Gold Signet Ring
Located in Chipping Campden, GB
The deep red carnelian is complimented perfectly by the 9ct yellow gold in this signet ring.
Ring Size: N 1/2 or 7
Stone Dimensions: 12x14mm
Weight: 10g
Category
1970s British Vintage Square Cut Signet Rings
Materials
Carnelian, Gold
2ct Black diamond ring 18KT gold cocktail ring
Located in Boca Raton, FL
Stunning natural black diamond in the center weighing 2 carats accompanied by 1ct of white diamonds making a beautiful contrast on this cocktail signet ring made in 18KT gold.
**All...
Category
21st Century and Contemporary Square Cut Signet Rings
Materials
White Diamond, Black Diamond, Gold, 18k Gold
French 1935s 7.50 Carat Tourmaline 18 Karat Yellow Gold Signet Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold, eagle's head hallmark.
Splendid antique signet ring, it features a large flat drop ring, which holds a magnificent square green tourmaline bezel-set on top.
Total weight of the tourmaline : approximately 7.50 carats.
Height : 13 mm, Width : 13.5 mm approximately, thickness : 7.6 mm, Width at the base of the ring : 5.7 mm.
Total weight of the jewel: approximately 10.7 g.
US Size : 7 ; Free resize, please contact us.
Authentic antique jewel - French work from the years 1935/1940.
Our opinion : An antique tourmaline ring...
Category
1930s French Retro Vintage Square Cut Signet Rings
Materials
Tourmaline, Gold, 18k Gold, Yellow Gold
14k Gold and Garnet Geometric Ring
Located in Scottsdale, AZ
This impeccably designed ring can be yours today! Don't miss your chance to get your hands on this beautiful Garnet stone in a square cut. Garnet is the birthstone of January and signifies friendship, protection, trust, commitment, and love. It is also known to keep you safe during travel. This will be your new favorite fashion ring in your collection perfect for making a statement with a pop of color. Notice the amazing details like the interesting geometric design and vibrant and rich 14k gold. This beautiful ring will catch glances from across the room. This is in great vintage condition with no notable flaws and much life left to live. The precious and fine composition will last a lifetime and will be a great investment. Wear this ring with vibrant colors to compliment the red Garnet with a Diane Freis maxi dress, Chanel ballet flats, and a Fendi...
Category
1980s Vintage Square Cut Signet Rings
Materials
Garnet, 14k Gold
Vintage Carved Agate 14 Karat Yellow Gold Crest Unisex Signet Ring
Located in Philadelphia, PA
Centering a cartouche-shaped agate tablet carved with a heraldic crest intaglio
Opaque dark grayish blue and measuring 10.0 x 12.5 mm - intaglio is dark blue
Depicting a shield flan...
Category
1960s Vintage Square Cut Signet Rings
Materials
Agate, Gold, 14k Gold, Yellow Gold
Jean Fouquet Lapis Lazuli and Jadeite Signet Ring and Brooch Set
By Fouquet
Located in London, GB
Here we have a charming set of jewels by Fouquet consisting of a matching brooch and signet ring. The brooch showcases a bold rectangular design, centred with a deep blue lapis lazul...
Category
1910s Art Nouveau Vintage Square Cut Signet Rings
Materials
Lapis Lazuli, Gold, 18k Gold, Yellow Gold
Boulder Opal Silver Ring 5 carat anniversary opal wedding gift vintage style
Located in Berlin, DE
Scratched sterling silver ring with natural Boulder Opal
opal origin - Australia
opal measurements - 0.35 х 0.51 in / 9 х 13 mm
opal weight - 5.3 carats
ring weight - 8.5 grams
ring ...
Category
2010s German Artisan Square Cut Signet Rings
Materials
Opal, Silver
$1,621 Sale Price
25% Off
Two Tone Garnet and Diamond Ring set in 14K White and Rose Gold
By Unbranded
Located in New York, NY
Set in 14K White and Rose Gold. Garnet 0.60 carat. White Diamond 1.2 ct. It Weights 7.2 grams. Size 10.
Category
21st Century and Contemporary Square Cut Signet Rings
Materials
Diamond, Garnet, 14k Gold, Rose Gold, White Gold
Yellow Gold 5.40ct Lab Grown Ruby Signet Ring IGI Certified
Located in Esch sur Alzette, Esch-sur-Alzette
This Yellow Gold Lab-Grown Ruby Signet Ring is a stunning example of modern elegance and timeless design. Crafted in luxurious 18kt yellow gold, this ring features a magnificent 5.40...
Category
1970s Italian Artisan Vintage Square Cut Signet Rings
Materials
Ruby, 18k Gold, Yellow Gold
18K Ring Intaglio Engraved Sardonyx Depicting Horse, English, Circa 1850
Located in Northampton, MA
This late Georgian / early Victorian 18K rose gold ring holds a rectangular-cut deep brown sardonyx gemstone that has been artfully carved -or etched, rather- to depict a horse trott...
Category
Mid-19th Century English Early Victorian Antique Square Cut Signet Rings
Materials
Agate, 18k Gold
$1,352 Sale Price
20% Off
DAVID YURMAN Novella Statement Silver Ring With 18K Gold And Citrine
By David Yurman
Located in New York, NY
Brand: David Yurman
Condition: Never Worn
Metal: Sterling silver with 18K gold
Gemstone: Emerald-cut citrine 13 x 8 mm
Style: Split shoulders, tapered shank
Ring size: 7
Ring w...
Category
21st Century and Contemporary Square Cut Signet Rings
Materials
Citrine, 18k Gold, Silver
Rossella Ugolini 18K Gold 5 Karat Tourmaline 0.28 Karat Diamond Unisex Ring
Located in Rome, IT
Unveil the allure of the "Eternal Harmony" 5 Karat Tourmaline 18K Gold Ring from Rossella Ugolini's Design Collection. This handcrafted masterpiece blends bold...
Category
2010s Italian Modern Square Cut Signet Rings
Materials
Diamond, Tourmaline, White Diamond, Yellow Gold, Rose Gold, 18k Gold
French 1960s Blood Jasper 18 Karat Yellow Gold Signet Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold, eagle head hallmark.
This elegant vintage signet ring is set with a blood jasper plaque on the top. Both sides of the ring have a wide, drooping opening...
Category
1960s French Retro Vintage Square Cut Signet Rings
Materials
Jasper, Gold, 18k Gold, Yellow Gold
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