Onyx Signet Rings

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 14 x 12 mm x 2 mm deep/ about 5.5 ct . Made ca. 1950s -1960...

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone with slightly convex rectangular cut and polished 12 mm x 10 mm x 2.75 mm deep/ about 4 c...

Vintage Unisex type Ring set with bezel set cabochon cut natural Black Onyx stone accented with old European cut Diamonds in Platinum clusters on solid 18K Yellow Gold band and crown...

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...

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 ....

Impressive Georgian period 14K yellow gold onyx intaglio signet ring depicting Medusa with coiled snakes. Early 19th Century The story of Medusa is one of the best known in Greek myt...

Antique Unisex signet Ring dating to ca. XIX -early XX cent. in solid 18K Orange (Rose toned) Gold with fine cameo on banded Red Onyx depicting Zeus (Roman Jupiter), king of the gods...

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...

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...

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....

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...

This is a Masonic signet ring depicting the “Square and Compasses”. It is crafted in 9K gold. The piece features oval onyx. Circa 1950 Has hallmarks Weight: 5.12g Size: 18 (US 7.7...

David Yurman's Men's Sterling Silver Black Onyx Signet Ring This bold sterling silver signet ring features a smooth rectangular black onyx cabochon in a bezel setting with a wide s...

ϟignet Ring - adorned with bezel set polished Red plate of banded Red Onyx stone 15 mm x 12 mm x 4.3 mm with open back / ca 9 ct. This charming stone looks like sliced jelly with def...

This signet ring has a face with 50/50 onyx and glossy yellow gold The ring is modelled in 9 carat gold. Fully hallmarked Birmingham 1976. Ring Size: O 1/2 or 7 1/2 Stone Dimension...

The Onyx stone is set within the 9ct gold band. hallmarked Birmingham 1986. Ring Size:R or 8 1/2 Stone Dimensions: 14x11mm Weight: 2.9g

Art - Deco styled Ring in solid 585 Yellow Gold decorated with bezel set natural old European cut Diamond : Ø2 mm / ca. 0.04ct / F,G / VS embedded into the center of claw set Black...

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...

Antique Unisex signet ring dating to ca. XIX -early XX cent. Solid 18K Yellow Gold with fine cameo on banded Red Onyx depicting young Greek or Roman Woman wearing diadem. Crown meas...

Fine Art Deco period 18K white gold, diamond, carved green onyx scarab amulet ring Circa 1920 This beautiful ring features a vibrant, finely carved emerald green onyx scarab surround...

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 ...

The ring, dated to the 2nd century, consists of a cameo made of onyx with shades ranging from grey to blue, which is set in a contemporary yellow gold setting. The cameo is decorated...

This refined signet style ring is crafted in 14 karat yellow gold and features a striking onyx intaglio carved with the profile of a Roman soldier, evoking classical antiquity and ti...

The Onyx stone is set within the 9ct gold band. Fully hallmarked Birmingham 1830. The back of the face on this ring is engraved with "Rev T Barnaby died 1 Feb 1830 aged 68". Ring Si...

Ring in 18 karat yellow gold. This elegant vintage signet ring is set with an onyx stone in a closed setting on the top. The band is striated gold. Height: 12.2 mm approximately, wid...

Old ring in solid 18K Yellow Gold featuring seven pointed Blazing Star in Red Enamel and band with profile ornament of oak leaves & acorns. Can be some type of Occult ring...

A beautifully crafted yellow gold swivel ring, featuring an octagonal rotating bezel that flips to reveal two contrasting faces. One side showcases a sleek black onyx panel, centered...

This sophisticated 14K gold ring showcases a sleek, bezel-set black onyx in a classic circular shape. The onyx measures 10mm, offering a bold yet refined look. Designed for a size 9....

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

--Stone(s):-- (1) Natural Genuine Onyx - Oval Shape - Bezel Set - Black Color - 17.6 x 12.6mm (approx.) (1) Genuine Cubic Zirconia - Round Brilliant - Pave Set - Brilliant White Colo...

Signet style ring centers an 11.0 mm circular disk center that flips on an axis One side is bead set with clustered round brilliant cut diamonds Weighing approximately 0.20 carat tot...

A stunning María Canalé “Gold Pyramide” ring crafted in 18kt gold, with a total weight of 17.90 grams. The design features bold black onyx pyramids, each elegantly set with brilliant...

This exceptional signet ring by French modernist master Jean Després stands as a bold testament to 1920s avant-garde design. Crafted in solid sterling silver with a commanding presen...

Charming late 19th-century signet ring, crafted in 9ct gold and set with a finely hand-carved onyx, depicting a detailed scene of a horseman beneath a tree. The intricate engraving ...

The Onyx stone is set within the 9ct gold band. hallmarked Sheffield 1991. Ring Size: T or 9 1/2 Stone Dimensions: 12x10mm Weight: 2.6g

Elevate your style with the distinguished sophistication of this 18k yellow gold signet ring, a masterpiece of craftsmanship and elegance. At its core, the ring features four hand-cu...

✨ Product Description: Bold, sophisticated, and effortlessly refined — this Art Deco Unisex Signet Ring combines the deep, mysterious allure of black onyx with the brilliance of natu...

Circa 1930s Penn Club of Philadelphia 10k Yellow Gold and Onyx Signet Ring, the top measures 3/4 X 5/8 inch, a deep carved intaglio of the Pe...

Item Specifications: Metal: 14k White Gold ​ ​Gemstone: Onyx Diamond Count: 1 brilliant cut Total Diamond Carat Weight: ~0.01 carats Diamond Color: H-I Diamond Clarity: I1 Rin...

Weight: 5.9 Grams Stone: Onyx (18.45 x 13.8 mm) Measurements: 18.8 x 21.75 x 2.95 mm Ring Size: 11 Hallmark: 14 ITEM #: BR-1458-111824-15

Rare and stunning Victorian signet ring is crafted from warm rose gold, featuring a cushion-shaped onyx that is deeply engraved with a profile of a head, showcasing the exceptional a...

A fine vintage silver, onyx, and diamond ring. In sterling silver. With a bezel-set onyx cabochon head mounted with a bezel-set diamond to its center. With a thick, tapered shank ...

Bold and stunning men's ring highlights a deep vivid green emerald weighing approximately 0.80 carat. The emerald is framed in an exquisite hand cut onyx that evokes a striking contrast of color. The ring was handcrafted in high polished 18K yellow gold and is in a finger size 11...

Handsome Gent’s Round Onyx Intaglio Vintage Mid Century Modern Gold Ring. Hand crafted 10K Yellow Gold mounting. Ring size 9.75, we offer...

Manufactured by Sal Praschnik Jewelers, this ring is crafted in solid 18 karat yellow gold with a brush finish and features a polished rectangular black onyx. The body of the ring is...

Victor Mayer Hallmark Collection Signet Ring, 925/-Silver, Niccolo Onyx 12.0 x 9.5 mm with Heraldic Engraving About the creator Victor Mayer Victor Mayer is internationally renowned...

The onyx in this signet ring is in lovely condition and it so glossy! The stone is set within the 9ct gold band. Ring Size: W or 11 Stone Dimensions:...

Irama Pradera is a Young designer from Spain that searches always for the best gems and combines classic with contemporary mounting and styles. 18k yellow gold and natural onyx men...

The onyx in this signet ring is in lovely condition and it so glossy! The stone is set within the 9ct gold band. Fully Hallmarked London 1973. Ring S...

This antique 14 Karat Yellow Gold Masonic Ring features a striking 18mm x 13.3mm rectangular curved onyx stone, adorned with a carved and gold-gilded Masonic emblem. Embedded within ...

This exquisite 18KT Gold ring features an authentic Roman intaglio dating back to the 1st-2nd Century AD, showcasing the iconic Pegasus, the mythical winged horse, on its front. Craf...

Victor Mayer Cushion Signet Ring 8k Yellow, Niccolo Onyx approx. 12.0 x 10.5 mm with heraldic engraving About the creator Victor Mayer Victor Mayer is internationally renowned for e...

Victor Mayer Oval Signet Ring 18k Rose Gold, Niccolo Onyx 13.9 x 12.2 mm with Engraving About the creator Victor Mayer Victor Mayer is internationally renowned for elegant timeles...

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 jewelry and fine jewelry from one collecto...

Finely crafted in 10k rose gold with a center Black Onyx. Circa 1980s Size 11, resizable

1.50ct Green onyx signet ring in 9ct yellow gold. Chunky signet pinky 9ct yellow gold with green onyx gemstone cushion shaped, hallmarked. Green onyx signet ring plain 9ct yellow g...

It is such a delight when we discover a small but scintillating treasure! This is an antique hardstone cameo with a naturalistic shape in the form of a halo of rose cut diamonds surr...

Victor Mayer Horizontal Oval Signet Ring, 18k Rose Gold, Niccolo Onyx 9.0 x 12.0 mm with Heraldic Engraving Reference: 51243/00/LO/05/103 Material: 18k Yellow Gold Gemstones: Niccol...

A 1970 ring, handcrafted by a goldsmith artist in 18kt yellow gold. The rectangular-shaped top is composed of a slab-cut Onyx set in a frame. In the central part is a brilliant-cut W...

Oval Victor Mayer Signet Ring, 18k Rose Gold, Niccolo onyx 12.0 x 9.0 mm, with Engraving About the creator Victor Mayer Victor Mayer is internationally renowned for elegant timeless...