Mens onyx signet rings
Mens onyx signet rings for sale on Ireland's largest auction and classifieds sites
R041 mens black - black, onyx - £5.39
Band width top • Ring chart 18k • Yellow gold plated - Free postage - New and Used
Band width top • Ring chart 18k • Yellow gold plated - Free postage - New and Used
Vintage mens solid - vintage, 9ct - £179.99
Black onyx stone • This vintage men • Solid 9ct gold - Free postage - New and Used
Black onyx stone • This vintage men • Solid 9ct gold - Free postage - New and Used
Real solid 925 sterling silver - real, - £127.80
Available sizes7 versatile • Bold accessory any • Occasion can worn - Free postage - New and Used
Available sizes7 versatile • Bold accessory any • Occasion can worn - Free postage - New and Used
Men 9ct yellow gold onyx - 9ct, - £367.16
9ct yellow gold • Square shaped scalloped • Edge onyx stone - Free postage - New and Used
9ct yellow gold • Square shaped scalloped • Edge onyx stone - Free postage - New and Used
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925 sterling silver mens - 925, - £59.00
All sizes available • Products based british • Hallmarked - Free postage - New and Used
All sizes available • Products based british • Hallmarked - Free postage - New and Used
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48 listings · from £5.39 · avg £133.49
Browse 48 mens onyx signet rings listings currently in our index. Prices range from £5.39 to £695.2, with an average of £133.49. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about mens onyx signet rings →
Black onyx signet - black, ring - £86.40
18ct yellow gold • Solid sterling silver • Black onyx signet - Free postage - New and Used
18ct yellow gold • Solid sterling silver • Black onyx signet - Free postage - New and Used
Mens 9ct gold onyx stone - 9ct, - £500.38
Fully hallmarked stamped • 375 there mark • 8ct gold line - Free postage - New and Used
Fully hallmarked stamped • 375 there mark • 8ct gold line - Free postage - New and Used
925 sterling silver black onyx - sterling, - £45.95
Sterling silver 925 • Black onyx signet • Ring face 12.5mm - Free postage - New and Used
Sterling silver 925 • Black onyx signet • Ring face 12.5mm - Free postage - New and Used
Mens 9ct gold - onyx, emblem - £516.70
Very eye catching • Detailed ring that • Really stands out - Free postage - New and Used
Very eye catching • Detailed ring that • Really stands out - Free postage - New and Used
Gents onyx signet ring - gents, - £82.72
Add your signature • Style this unique • Onyx signet ring - Free postage - New and Used
Add your signature • Style this unique • Onyx signet ring - Free postage - New and Used
Richsteel square signet ring - square, - £7.05
Richsteel square signet • Ring men black • Onyx stylish classic - Free postage - New and Used
Richsteel square signet • Ring men black • Onyx stylish classic - Free postage - New and Used
Vintage sterling silver - sterling, - £31.99
Respond quickly this • Item exactly shown • Photos - Free postage - New and Used
Respond quickly this • Item exactly shown • Photos - Free postage - New and Used
Onyx gold signet - gold, ring - £19.99
Onyx gold signet • Ring coated solid • Plating material 316l - Free postage - New and Used
Onyx gold signet • Ring coated solid • Plating material 316l - Free postage - New and Used
Size grams mens solid - p, - £312.70
High quality excellent • Condition smooth clean • Shiny exactly 6.0 - Free postage - New and Used
High quality excellent • Condition smooth clean • Shiny exactly 6.0 - Free postage - New and Used
Mens real solid 925 - solid, sterling - £76.22
Suitable signet pinky • Middle index ring • Rectangular cut gives - Free postage - New and Used
Suitable signet pinky • Middle index ring • Rectangular cut gives - Free postage - New and Used
Real solid 925 sterling silver - real, - £112.39
Ring ishandmade ensuring • Thatno two rings • Are alike naturalblack - Free postage - New and Used
Ring ishandmade ensuring • Thatno two rings • Are alike naturalblack - Free postage - New and Used
Mens silver jewelco london - silver, - £102.99
Welcome jewelco london • Thank you visiting • Presents this piece - Free postage - New and Used
Welcome jewelco london • Thank you visiting • Presents this piece - Free postage - New and Used
Vintage sterling silver - vintage, - £52.00
Clean lines solid • Silver weight minimalist • Look that never - Free postage - New and Used
Clean lines solid • Silver weight minimalist • Look that never - Free postage - New and Used
Gents classic 9ct gold onyx - gents, - £394.30
Has full british • Hallmark which stamped • Inner band plus - Free postage - New and Used
Has full british • Hallmark which stamped • Inner band plus - Free postage - New and Used
Vintage gents signet - gents, - £35.00
Weight face top • Bottom 1.3cm - Free postage - New and Used
Weight face top • Bottom 1.3cm - Free postage - New and Used
Sterling silver black onyx - sterling, - £26.69
Sterling silver black • Onyx men signet • Ring - Free postage - New and Used
Sterling silver black • Onyx men signet • Ring - Free postage - New and Used
Mens 9ct gold - onyx, stone - £500.38
Very eye catching • Detailed ring that • Really stands out - Free postage - New and Used
Very eye catching • Detailed ring that • Really stands out - Free postage - New and Used
Stainless steel silver mens - stainless, - £10.09
Top quality 316 • Stainless steel signet • Ring silver sold - Free postage - New and Used
Top quality 316 • Stainless steel signet • Ring silver sold - Free postage - New and Used
R074 enamel black onyx - black, - £5.99
Onyx 10mm cushion • Shaped band width • Top ring chart - Free postage - New and Used
Onyx 10mm cushion • Shaped band width • Top ring chart - Free postage - New and Used
Excellent onyx 925 - excellent, - £29.82
- Free postage - New and Used
- Free postage - New and Used
925 sterling silver black - 925, - £64.00
Black onyx oval • Solid 925 sterling • Stone signet ring - Free postage - New and Used
Black onyx oval • Solid 925 sterling • Stone signet ring - Free postage - New and Used
Mens onyx ring - , black - £22.99
Will not tarnish • Ring features black • Onyx top fancy - Free postage - New and Used
Will not tarnish • Ring features black • Onyx top fancy - Free postage - New and Used
Vintage mens gold - on, sterling - £35.00
Sale vintage mens • Gold sterling silver • Onyx signet ring - Free postage - New and Used
Sale vintage mens • Gold sterling silver • Onyx signet ring - Free postage - New and Used
14k gold plated real - plated, - £157.00
Alarge natural black • Onyx stone unique • Character ring one - Free postage - New and Used
Alarge natural black • Onyx stone unique • Character ring one - Free postage - New and Used
Stunning 925 sterling silver - 925, - £36.99
Genuine black onyx • Exquisite signet style • Gem hand made - Free postage - New and Used
Genuine black onyx • Exquisite signet style • Gem hand made - Free postage - New and Used
Men silver ring - men’s, - £90.02
Got gift but • Don wear rings • Thats why selling - Free postage - New and Used
Got gift but • Don wear rings • Thats why selling - Free postage - New and Used
Mens stunning black onyx ring - stunning, - £39.99
Genuine black onyx • Exquisite signet style • Gem hand made - Free postage - New and Used
Genuine black onyx • Exquisite signet style • Gem hand made - Free postage - New and Used
Black onyx signet - black, - £9.99
Many jewelry designers • Choose 316l stainless • Steel its durability - Free postage - New and Used
Many jewelry designers • Choose 316l stainless • Steel its durability - Free postage - New and Used
9ct onyx signet ring - onyx, - £695.20
Birmingham hallmark onyx • Signet ring when • Viewed through magnifier - Free postage - New and Used
Birmingham hallmark onyx • Signet ring when • Viewed through magnifier - Free postage - New and Used
Mens onyx ring gold - , pinky - £22.99
Signet pinky ring • Round sparkling aaa • Grade onyx tusk - Free postage - New and Used
Signet pinky ring • Round sparkling aaa • Grade onyx tusk - Free postage - New and Used
Mens onyx ring - , signet - £23.99
Will not tarnish • Signet pinky ring • Round sparkling aaa - Free postage - New and Used
Will not tarnish • Signet pinky ring • Round sparkling aaa - Free postage - New and Used
Onyx silver signet - signet, men's - £19.99
Onyx silver signet • Ring takes spin • Its centre material - Free postage - New and Used
Onyx silver signet • Ring takes spin • Its centre material - Free postage - New and Used
Mens onyx ring - , signet - £19.99
Crafted modern gentleman • This men onyx • Ring presents sleek - Free postage - New and Used
Crafted modern gentleman • This men onyx • Ring presents sleek - Free postage - New and Used
Sterling silver gents ring - silver, - £83.29
Ring hallmarked 925 • Sterling silver purity • Stamp ensuring its - Free postage - New and Used
Ring hallmarked 925 • Sterling silver purity • Stamp ensuring its - Free postage - New and Used
Mens black onyx signet - black, rings - £39.99
Chic black onyx • Was very popular • Ancient greeks romans - Free postage - New and Used
Chic black onyx • Was very popular • Ancient greeks romans - Free postage - New and Used
Gents 9ct gold - onyx, & - £239.90
Gents 9ct gold • Onyx diamond signet • Lovely ring nice - Free postage - New and Used
Gents 9ct gold • Onyx diamond signet • Lovely ring nice - Free postage - New and Used
Silver signet ring chunky - silver, - £9.99
Gemstone onyx unlike • Lower grade stainless • Steels 316l minimizes - Free postage - New and Used
Gemstone onyx unlike • Lower grade stainless • Steels 316l minimizes - Free postage - New and Used
Gents 9ct gold - gold, onyx - £207.66
Gents 9ct gold • Onyx signet ring • Embossed scrolled shoulders - Free postage - New and Used
Gents 9ct gold • Onyx signet ring • Embossed scrolled shoulders - Free postage - New and Used
Men 9ct yellow gold flat - 9ct, - £695.00
This 9ct yellow • Gold oval onyx • Signet ring striking - Free postage - New and Used
This 9ct yellow • Gold oval onyx • Signet ring striking - Free postage - New and Used
9ct yellow gold - 9ct, - £55.00
9ct yellow gold • Silver signet ring • Old english jewellers - Free postage - New and Used
9ct yellow gold • Silver signet ring • Old english jewellers - Free postage - New and Used
Vintage hallmarked men - , men's - £69.33
Vintage silver men • Signet ring black • There are scratches - Free postage - New and Used
Vintage silver men • Signet ring black • There are scratches - Free postage - New and Used
New 925 sterling silver - new, - £40.22
This stylish 925 • Sterling silver men • Ring features curved - Free postage - New and Used
This stylish 925 • Sterling silver men • Ring features curved - Free postage - New and Used
925 sterling silver emerald - 925, - £39.99
Signet ring design • Solid sterling silver • Chunky contemporary twist - Free postage - New and Used
Signet ring design • Solid sterling silver • Chunky contemporary twist - Free postage - New and Used
Try this: 9ct gold curb chain mens | solid gold cross | hallmarked sterling silver chains | mens armani chain | gold belcher | cartier cufflinks | simon carter cufflinks | tiffany cufflinks | duchamp cufflinks | mens chunky silver rings
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Everything you need to know about mens onyx signet rings
Whether you are looking for a brand-new or second-hand mens onyx signet rings, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £5.39, while premium listings can reach £695.2 — giving you a wide budget spread to work with. The average price of £133.49 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.