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Square Cut Signet Rings

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Stone Cut: Square Cut
Antique Banded Agate Signet Ring of 14k Gold
Located in Lewisburg, PA
Antique Signet Ring: This antique ring dates to 1880 and features banded agate with gothic initials carved into the face. The face of the ring measures 0.9 inches by 0.7 inches wide...
Category

Late 19th Century Antique Square Cut Signet Rings

Materials

Agate, 14k Gold

Antique Onyx Insect Ring of 10k Gold
Located in Lewisburg, PA
A unique 10k gold ring featuring a gold quartz insect with diamond eyes set atop an onyx backdrop. We created this one of a kind ring by riveting an antique, 14k gold, stickpin head ...
Category

Early 20th Century Square Cut Signet Rings

Materials

Diamond, Onyx, 10k Gold, 14k 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

Pearl, Other, Silver, Yellow Gold, 18k Gold, Gold

1954 Signet Men Ring 4.5ct 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 4.5 ct . Swedish ring, hal...
Category

1950s Swedish Retro Vintage Square Cut Signet Rings

Materials

Onyx, 18k Gold

1954 Men Signet Ring Blood stone solid 18K Gold Ø US9.25 / 4.28 gr
Located in SE
Signet Ring in solid 18K Yellow Gold with carved shoulders and bezel set Blood - stone, color is dark Green color with red dots, measures ca. 11 mm x 11 mm x 2.5 mm deep / ca. 7 ct. ...
Category

1950s Swedish Retro Vintage Square Cut Signet Rings

Materials

Other, 18k Gold

1965 Unisex Ring natural 6ct. Topaz solid 18K Gold Ø 7US / 4.9gr
Located in SE
Ring for Men or Women adorned with bezel set natura Topaz stone, a bit convex shaped with polished face and intricately faceted open back side measuring 10 mm x 10 mm x 4.75 mm / ca...
Category

1960s Swedish Retro Vintage Square Cut Signet Rings

Materials

Topaz, 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

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

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

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

Antique Onyx Insect Ring of 10k Gold
Located in Lewisburg, PA
A unique 10k gold ring featuring a gold quartz insect with diamond eyes set atop an onyx backdrop. We created this one of a kind ring by riveting an antique, 14k gold, stickpin head ...
Category

Early 20th Century Square Cut Signet Rings

Materials

Diamond, Onyx, 10k Gold, 14k Gold

Antique Banded Agate Signet Ring of 14k Gold
Located in Lewisburg, PA
Antique Signet Ring: This antique ring dates to 1880 and features banded agate with gothic initials carved into the face. The face of the ring measures 0.9 inches by 0.7 inches wide...
Category

Late 19th Century Antique Square Cut Signet Rings

Materials

Agate, 14k Gold

18ct Gold Carnelian Signet Ring, 1958
Located in Glasgow, GB
An 18ct yellow gold signet ring, unengraved, set with a carnelian. Hallmarked by the London assay office, marked '18' for 18 carat gold, with date letter 'C' for 1958. • Period: Mid...
Category

1950s British Modern Vintage Square Cut Signet Rings

Materials

Carnelian, Gold, 18k Gold, Yellow Gold

18K Ring Intaglio Engraved Sardonyx Depicting Horse, English, Circa 1850
Located in Southbury, CT
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

Rare Vintage Van Cleef & Arpels Square Cut Ruby & Diamond 18k Yellow Gold Ring
Located in Birmingham, GB
Rare Vintage Van Cleef & Arpels Square Ruby And Diamond 18k Yellow Gold Ring. A stunning vintage ring with a unique design typical of Van Cleef & Arpels, set with a bezel rubover se...
Category

21st Century and Contemporary French Square Cut Signet Rings

Materials

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

18k Yellow Gold Bezel Hexagonal Tourmalineted Quartz Unique Piece Design Ring
Located in Rome, IT
The Rossella Ugolini Design features the "Ink Ring Collection," a unique Tourmaline Quartz ring. This limited series is inspired by the art of handwriting with a fountain pen and cre...
Category

2010s Italian Contemporary Square Cut Signet Rings

Materials

Quartz, Tourmaline, Yellow Gold, Sterling Silver, Silver, 18k Gold

Vintage 9 Karat Gold Black Chalcedony Rectangle Signet Ring
Located in Vilnius, Vilniaus apskr.
This is a vintage signet ring crafted in 9K yellow gold. Circa 1980. It features rectangle black chalcedony. Weight: 8.36g Size: 17.25 (US 7) IMPORTANT: please ask about the pos...
Category

Late 20th Century Modern Square Cut Signet Rings

Materials

Chalcedony, Gold, 9k 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

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

Vintage 9 Karat Gold Carnelian Signet Ring
Located in Vilnius, Vilniaus apskr.
This is a vintage signet ring crafted in 9K slightly yellow gold. The piece features carnelian. Circa 1960. Weight: 5.11g Size: 16.5 (US 6) IMPORTANT: please ask about the possibil...
Category

Mid-20th Century Square Cut Signet Rings

Materials

Carnelian, Gold

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

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

Rossella Ugolini 18K Yellow Gold Rutilated Tourmaline Signet Man Ring
Located in Rome, IT
Rossella Ugolini Design features the "Ink Ring Collection," a unique piece Tourmaline Quartz ring handcrafted in 18K Yellow gold bezel. Ring Size: 7 USA/55 FRA/ 15 IT . RESIZABLE. ...
Category

2010s Italian Contemporary Square Cut Signet Rings

Materials

Tourmaline, Quartz, 18k Gold, Silver, Yellow Gold, Sterling Silver

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

Art Deco Onyx and 9 Carat Gold Signet Ring
Located in Chipping Campden, GB
The Onyx stone is set within the 9ct gold band. Ring Size: V or 10 1/2 Stone Dimensions: 12x10mm Weight: 3g
Category

1910s British Vintage Square Cut Signet Rings

Materials

Onyx, Gold

18k Yellow Gold Bezel Contemporary Tourmalineted Quartz Unique Piece Man Ring
Located in Rome, IT
The Rossella Ugolini Design features the "Ink Ring Collection," a unique Tourmaline Quartz ring. The ring is part of a limited series presented in Paris on June 2024 during the Paris...
Category

2010s Italian Contemporary Square Cut Signet Rings

Materials

Tourmaline, Quartz, 18k Gold, Yellow Gold, Sterling Silver

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

1.5Ct Rectangular Natural Blue Sapphire Bypass Ring
Located in Lanham, MD
This ring is best described as a bypass ring or a twist ring. The distinctive design features the band wrapping around the center stone, creating a unique and elegant look. It's not ...
Category

2010s African Modern Square Cut Signet Rings

Materials

Blue Sapphire, Zircon, Platinum, Sterling Silver

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

DAVID YURMAN Novella Statement Silver Ring With 18K Gold And Citrine
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

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

Art Deco Onyx and 9 Carat Gold Signet Ring
Located in Chipping Campden, GB
The Onyx stone is set within the 9ct gold band. Fully hallmarked Sheffield 1910. Ring Size: R 1/2 or 8 3/4 Stone Dimensions: 12x10mm Weight: 4.3g
Category

1910s British Vintage Square Cut Signet Rings

Materials

Onyx, 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

Pearl, Other, Silver, Yellow Gold, 18k Gold, 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 Enamel Egyptian Revival Pharaoh Conversion Ring of 10k Gold
Located in Lewisburg, PA
A fascination with the aesthetics of ancient Egypt was popular in the late 1700s through the early 20th century brought about by archeological discoveries and a wave of public curios...
Category

Early 20th Century Egyptian Revival Square Cut Signet Rings

Materials

Onyx, Jasper, 10k Gold, Enamel

Jean Fouquet Lapis Lazuli and Jadeite Signet Ring and Brooch Set
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

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

18 Karat White Gold Natural Diamond Signet Ring
Located in Monte-Carlo, MC
18K white gold signet ring is from Timeless Collection. This exceptional piece of jewellery is made from natural white diamonds in total of 5.93 Carat.Total metal weight is 28.15 gr....
Category

2010s Italian Contemporary Square Cut Signet Rings

Materials

Diamond, White Diamond, 18k Gold, White 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

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

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

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

Emerald Silver Signet Letter Ring: "Sacrifice Yourself"
Located in Los Angeles, CA
Emerald Silver Signet Letter Ring: "Sacrifice Yourself" Made in Los Angeles This emerald silver signet ring, aptly named "Sacrifice Yourself," embodies a profound philosophical and...
Category

2010s American Contemporary Square Cut Signet Rings

Materials

Emerald, Sterling Silver, Bronze, Silver

Emerald Sign Signet Ring Silver Gold
Located in Los Angeles, CA
Emerald Sign Signet Ring Silver Gold J Dauphin. Genderless Inspired by an Indian script that I found in Jaipur in an antique store. Hand made in Los Angeles Custom make your own s...
Category

2010s American Contemporary Square Cut Signet Rings

Materials

Emerald, Sterling Silver, Silver, 14k Gold, Gold

Emerald Sign Signet Ring Silver Gold J Dauphin
Located in Los Angeles, CA
Emerald Sign Signet Ring Silver Gold J Dauphin. Genderless Inspired by an Indian script that I found in Jaipur in an antique store. Hand made in Los Angeles Custom make your own s...
Category

2010s American Contemporary Square Cut Signet Rings

Materials

Emerald, Sterling Silver, Silver, Gold, 14k 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

Two Tone Garnet and Diamond Ring set in 14K White and Rose Gold
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

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