18k Gold Signet Rings
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Metal: 18k Gold
Gemstone: Agate
Elizabeth Locke Agate Ring 18K Yellow Gold
Located in Dallas, TX
Elizabeth Locke Agate Ring in 18K Yellow Gold. The ring features a carved dark green agate with red speckles. The ring size 6.5 and weighs 14.5 grams. Stamped 18k and Elizabeth Locke...
Category
1980s Vintage 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
18ct Gold Bloodstone Intaglio Signet Ring, 1999
Located in Glasgow, GB
This 18ct yellow gold signet ring features a bloodstone set into an oval head, engraved with an intaglio family crest depicting a hand rising from a cloud to grasp a wavy blade.
Ass...
Category
1990s British Modern 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Yellow Gold
Antique Roman Agate Intaglio Ring 18 Karat Gold Symbol of Fortune and Good Luck
Located in Munich, Bavaria
This 18 karat gold ring is set with a deep brown agate intaglio. The roman intaglio dates from the second / third century AC and depicts a hand holding a oar, a poppy and one other f...
Category
15th Century and Earlier Italian Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold
18K Gold Early Victorian Agate Griffin Intaglio Signet Ring
Located in Venice, CA
This 18k gold early Victorian intaglio ring features a griffin beautifully carved into a dark reddish brown agate. In this classic rendition of the griffin, the winged beast has a cu...
Category
1830s British Victorian Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Victorian 18kt. gold Banded agate masonic ring, depicting a Square and Compass
Located in Braintree, GB
Antique Victorian 18kt. yellow gold Banded agate masonic signet ring, depicting a Square and Compass.
Made in England, Circa 1870's
X - Ray tested positive for 18kt. gold.
While the...
Category
1870s British Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold
Roman Bloodstone Ringstone circa 1st Century A.D.
Located in Firenze, IT
The flat oval stone engraved with a bust in profile to the right ; mounted as a ring in a modern gold setting
(1.2 cm.) long; ring size 7½
Category
15th Century and Earlier Italian Classical Roman Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold
French 1950s Dendrite Agate 18 Karat Rose Gold Ladies Signet Ring
Located in Poitiers, FR
Ring in 18 karat rose gold, eagle head hallmark.
Antique ladies' Signet ring set with a dendrite agate plaque on the top. The start of the ring is gadrooned on both sides.
Height : 1...
Category
1950s French Art Deco Vintage 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Rose Gold
A Roman Gnostic Intaglio In Agate 3rd Century AD Ring
Located in Firenze, IT
A very interesting gnostic intaglio made on a dark grey mottled agate. The front shows two snakes whose tails seem to turn into rods(?) which are then held in the mouths of the oppos...
Category
15th Century and Earlier Italian Classical Roman Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Agate Signet Ring 18k Swiss
Located in Litchfield, CT
Circa 1970s, 18k, Switzerland. This stylish seventies signet ring is set with an intaglio-cut agate decorated with a classic coat of arms. Meticulously made featuring a heavy, hammer...
Category
1970s Swiss Vintage 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Victorian Hardstone Intaglio 18 Karat Yellow Gold Griffin Unisex Signet Ring
Located in Philadelphia, PA
Centering an square tablet of banded agate measuring approximately 10.4 x 10.2 mm
Translucent with a frosted white top and a black base
Deeply carved to depict a winged griffin, fier...
Category
1880s Victorian Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Yellow Gold
Agate Signet Ring from 1883
Located in Milano, MI
Gold signet ring with hand-engraved bicolor agate from the late XIX century. Unique for its history, unique for the stone. On the stem are engraved the memories of the original owner...
Category
Late 19th Century Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Retro 1950s Confetti Agate 18 Karat Yellow Gold Signet Ring
Located in Poitiers, FR
Signet ring in 18 karat yellow gold.
An important vintage signet ring with geometric lines, featuring a rectangular top set with a "confetti" cabochon agate. On either side, the star...
Category
1950s French Retro Vintage 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Yellow Gold
18kt Yellow Gold Agate Medusa Cameo Men's Ring III - IV Sec. AD
Located in Firenze, IT
Ring in 18kt yellow gold a agate cameo medusa, with a swivel round bezel.
Dimensions of the cameo: 22mm
Finger size: 8 1/2
Gross weight: 17.32g.
Category
15th Century and Earlier Italian Classical Roman Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
A Late 18th / Early 19th Century Two-Colour Agate Cameo Ring
Located in Firenze, IT
A late 18th / early 19th century two-colour Jasper cameo ring depicting a Roman wearing a cloak, mouth slightly open, in gold, cameo 2.1cm high
Ring size 9 1/4
Weight: 15,20gr.
Category
Late 18th Century Italian Neoclassical Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Victoria Strigini: Ancient Roman Lion Chevalière Ring in 18k Gold and Agate
Located in New York, NY
Victoria Strigini (b. 1991)
A handcrafted contemporary 18k yellow gold chevalière ring, featuring a Roman intaglio from the 2nd- 3rd century AD, in agate, set in a strikingly pure,...
Category
15th Century and Earlier English Classical Roman Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold
Georgian Socrate Agate Cameo Ring 18 KT Gold
Located in Napoli, IT
Ancient Cameo Art
A beautiful Georgian period ring hand crafted of solid 18 KT gold
Featuring a face right profile of Socrate skilfully carved from Agate...
Category
Early 19th Century European Georgian Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold
Castellani Ancient Banded Agate Peacock Intaglio Gold Ring
By Castellani
Located in New York, NY
A lovely Ancient Roman gem. The orange and white banded agate intaglio is over 2000 years old. In tondo (carved on the horizontal), we find a peacock between two cornucopias and abov...
Category
2010s American Etruscan Revival 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold
Antique Agate Intaglio Ring Depicting Lion
Located in Milano, MI
Intaglio ring in 18ct gold with bicolour agate finely engraved with armed lion, of English provenance, beginning of the XX Century.
Category
Early 1900s British Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Unisex Carved Horse Blue Agate 18 Karat Gold Indigo Blue Round Cut Signet Ring
Located in Rome, IT
Rossella Ugolini Design Collection a perfectly hand carved Blue Agate ring is Handcrafted in yellow gold embellish with two Indigo Blue cabochon cut Iolite. A Unisex Unique Design Signet Ring for a Horse Lovers. The horse is a solar animal. Due to its powerful musculature and its fiery character, it symbolizes the strength of instinctive energy. It is the mount of divine messengers, knights or spiritual warriors. The White Horse is at the service of good.
In ancient times, according to a belief, through the interpretation of its neighing, the movement of the ears or the tail, future events could be predicted.
The Glyptic is the art of engraving gems and semi-precious stones. The Cameos are worked in relief, always in the positive, of a hard stone in layers of different colors in order to obtain light figures on dark backgrounds. The Indigo Blue Iolite are the same shade of Blue as Agate Cameo.
Available also in black Onyx, Carnelian, Green Agate Horse...
Category
2010s Italian Art Deco 18k Gold Signet Rings
Materials
Agate, Iolite, Gold, 18k Gold, Yellow Gold
A Roman Burnt Agate Intaglio Set In A Modern Men's Gold Ring Bust Of Hermes
Located in Firenze, IT
The deity is depicted with the three-quarters bust to the right and the head slightly three-quarters facing to the left. The bust is draped, the wings on the head and the caduceus be...
Category
15th Century and Earlier Italian Classical Roman Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold
Castellani Ancient Roman Agate Intaglio Gold Ring
By Castellani
Located in New York, NY
Castellani® has selected this Ancient Roman Agate Intaglio for the "Cleopatra" Ring Setting.
The intaglio dates to the 3rd to 7th Century.
The intaglio is both black and white agate, which is a hard stone and very good for carving. The agate has two layers of color, black on the top and white at the bottom. The agate intaglio is solid and is one piece. The carver was able to use these two color layers to give dimension and detail. The Column and Angel on the left wings are white and the balance is all black. The Carver knew the material he/she was carving and used this to create this very unique scene.
The intaglio shows two angels standing on either side of a column/pillar looking at the bust of a man on top of the pillar.
The angels are female and male. The bust on the pedestal is of a male.
The intaglio is set below the frame. The frame flairs out to a subtle point on the sides and has a flat surface.
The "Cleopatra" ring design was a style that Castellani created in the 1860's and was inspired by Ancient Roman rings...
Category
21st Century and Contemporary American Etruscan Revival 18k Gold Signet Rings
Materials
Agate, 18k Gold, Gold
Antique French Agate Cameo Men's Ring
Located in Firenze, IT
18K gold ring adorned with a claw-set cameo showing the face of an antique-style man with full beard and wavy hair. Top size cameo is 26mmx 18mm.French maker's mark. Ring size: 8 3/4...
Category
1870s French Napoleon III Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Victorian Banded Agate Locket Back Signet Ring
Located in Stamford, CT
A victorian banded agate 18 Kt signet ring with a white line straight across the center is a memento more as well. Why does this ring fire up emotions.? Fo...
Category
Mid-19th Century English Victorian Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold
Antique French Bloodstone Cameo Ring
Located in Firenze, IT
18Kt gold ring set with a cameo on bloodstone stylizing an emperor's head with a laurel wreath, the basket with twisted threads. Finger size : 8
Top size is 21mm x 16mm
Weight : 7,9 g
Category
1870s French Napoleon III Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Intaglio Agate Ring Medium Size 18 Carat Gold
Located in Milano, MI
Particular intaglio ring in bicolour agate and set in 14ct gold. Probably of American provenance and from the beginning of the 1900's.
Category
Early 1900s Unknown Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Yellow Gold
French 1935s Zoned Agate 18 Karat Yellow Gold Signet Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold, eagle head hallmark.
Important and massive antique signet ring, its mounting forms a node whose center is decorated with a cabochon of zoned agate. The...
Category
1930s French Art Deco Vintage 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Yellow Gold
19th Century Dendrite Agate Diamonds 18 Karat Rose Gold Silver Ring
Located in Poitiers, FR
Ring in 18 karat rose gold, and silver, owl hallmark.
Rare and elegant antique rose gold ring, its setting is rectangular shape with cut sides and it is decorated in the center with a cabochon of dendrite agate, in an entourage of rose- cut diamonds which follow the curve of the ring. The start of the ring is fleur de lysé...
Category
Late 19th Century French Belle Époque Antique 18k Gold Signet Rings
Materials
Agate, Diamond, White Diamond, Gold, 18k Gold, Rose Gold, Silver
Antique Gold Cameo Ring Greek Theatre Mask Silenus Hardstone Intaglio Signet
Located in London, GB
A very unusual antique gold ring set with a carved brown and white hardstone cameo depicting the theatrical comic mask of Silenus, the Greek mythological old rustic god of wine-making and drunkenness. The ring was made in the late 19th century and carries French control marks for 18K gold, whilst the cameo is probably Italian and made slightly earlier, circa 1800.
Silenus was a companion to the wine god Dionysus, and suitably he was a notorious consumer of wine, usually drunk and supported by satyrs or carried by a donkey. Silenus was described as the oldest, wisest and most drunken of the followers of Dionysus, and was said to possess special knowledge and the power of prophecy when intoxicated. He presides over the other satyrs and is related to musical creativity, prophetic ecstasy, drunken joy and drunken dances.
Silenus was usually depicted as a jovial old man, bald yet bearded, with a pot-belly, thick lips and snub-nose. The masks worn to play him in theatre really emphasised these features, as you can see with this cameo carving
Theatre was a key part of ancient Greek culture. The theatrical masks worn by the actors, known as ‘prosopon’, served various purposes. They enabled individual actors to play multiple roles (or genders) in the same performance; the exaggerated expressions helped define the character being portrayed; they helped spectators in the back rows to tell the characters apart. This particular masked as mentioned before is a comedic Silenus, please see final photo for other examples of Silenus masks in museum collections.
UK size N 1/2, US size 7
4.84g 18K gold
French ‘tête...
Category
Early 19th Century Italian Georgian Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold
Dimos 18k Gold Carved Gorgeous Athena Reversible Ring
Located in Athens, GR
Museum replica in 18 karat yellow gold completely handmade set with Agate hand carved with gorgeous Athena sitting on her throne holding the winged victory. A beautiful and regal set...
Category
15th Century and Earlier Greek Greek Revival Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold
Large Hardstone Cameo of Hercules and the Nemean Lion Men's Ring 19th Century
Located in Firenze, IT
In white and black, Hercules depicted strangling the lion, his club on the ground, in a later ring mount, ring size H, length 32mm, width 25mm
Size: 12
Weight: ...
Category
Early 19th Century Italian Neoclassical Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Silver Gold and Agate Cameo Men's Ring
Located in Firenze, IT
Agate cameo depicting a bearded man in profile (25mm x 20mm) mounted in silver and gold. Finger size 8 3/4 Weight : 16.8gr
Category
1890s French Napoleon III Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Silver
Rossella Ugolini 18k Gold Diamonds Green Agate Tourmaline Art Deco Style Ring
Located in Rome, IT
Presenting Rossella Ugolini's Castle Collection: a stunning blend of Art Deco style and Italian heritage. This 18 karat Gold ring, adorned with 0.20 karat White Diamonds, showcases a captivating combination of Sugarloaf cut Green Agate and Green Cabochon Tourmaline.
Inspired by the architectural grandeur of ancient Italian fortresses, this ring mirrors the solid structure of castles in its design. The stones are meticulously arranged, reminiscent of the geometric shapes found in iconic fortifications across Italy. The Green Brindisi Castle ring...
Category
2010s Italian Art Deco 18k Gold Signet Rings
Materials
Agate, White Diamond, Rock Crystal, Tourmaline, Diamond, Gold, 18k Gold,...
Carved Horse Green Agate 18 karat Rose Gold Green Tourmaline Design Signet Ring
Located in Rome, IT
This is a piece from Rossella Ugolini design collection of modern jewels for a horse lovers.
An hand carved green agate ring handmade in rose gold with two green cabochon cut tourmaline for a unique Design Signet Ring.
Available also in 18 karat yellow gold and any size is available on order in two weeks.
The carved horse could be handmade in black and white, blue and white, or brown carnelian...
Category
2010s Italian Modern 18k Gold Signet Rings
Materials
Agate, Tourmaline, Rose Gold, 18k Gold, Yellow Gold
Hardstone Cameo of a Man Ring 19th Century
Located in Firenze, IT
The portrait head, facing right, with short hair and clean shaven, in a later ring mount, ring size 8
length 29mm, width 16mm
Category
19th Century Italian Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
18ct Yellow Gold Sardonyx Cameo Ring
Located in Glasgow, GB
An 18ct yellow gold cameo ring. The 19th century sardonyx cameo, depicting a man with head in profile facing right, having short hair, aquiline nose, an...
Category
20th Century British Classical Roman 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Georgian Hardstone Cameo Ring
Located in London, GB
A Georgian hardstone cameo ring, the oval-shaped cameo depicting the profile of a patrician, rub-over set within a yellow gold mount with ridged d...
Category
1820s British George III Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold
18kt Yellow Gold and Agate Cameo Ring
Located in Firenze, IT
Yellow gold ring, adorned with a cameo on agate representing three male profiles probably Italian poets ( Dante Alighieri, Ludovico Ariosto e Giovan Battista Marino). Ring size: 7 ...
Category
1890s French Napoleon III Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Hardstone Cameo of a Man, 18th-19th Century
Located in Firenze, IT
The classical head facing left, clean shaven with short curling hair, in a later ring mount, ring size 8, length 30mm, width 20mm
Weight : 29,4gr
Category
1790s Italian Georgian Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
Late 18th Century Agate Cameo Platone Ring
Located in Firenze, IT
A late 18th century agate cameo later mounted by Codognato, the oval cameo measiring 2,2cm x 1,9cm and depicting Platone in profile looking left, rub-over set in gold mount with blac...
Category
Late 18th Century Italian Neoclassical Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold
19th Century Gold and Agate Cameo Ring
Located in Firenze, IT
Oval, depicting the profile of a man with curling hair, facing left, wearing robes, within a yellow gold mount, cameo length 2.3cm, width 1.7cm, ring size 7 1/2
Category
Early 19th Century Italian Victorian Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold, Gold
Roman Jupiter Agate Intaglio, circa 1st-2nd Century A.D
Located in Firenze, IT
Engraved with Jupiter enthroned, holding a sceptre in one hand, set in a modern gold mount.
Size : 8
Weight : 9,3gr
Category
15th Century and Earlier Italian Classical Roman Antique 18k Gold Signet Rings
Materials
Agate, 18k Gold, Yellow Gold
A Roman Green Agate Intaglio Grasshopper Set In A Gold Ring
Located in Firenze, IT
A roman green agate intaglio set in a gold ring. Grasshopper.
1st century B.C. - 1st century A.D.
Fine depiction of the insect, facing left. Use of globular elements. Groundline. Sli...
Category
15th Century and Earlier Italian Classical Roman Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold
Spectacular Gold Signet Ring
Located in Litchfield, CT
Circa 1900, 18k, Switzerland. This one-of-a-kind signet ring is set with an intaglio-cut agate. Effortlessly everyday, the look is town and country chic. It is decorated with a cris...
Category
Early 1900s Swiss Victorian Antique 18k Gold Signet Rings
Materials
Agate, Gold, 18k Gold, Yellow Gold
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