18ct gold diamond solitaire ring
18ct gold diamond solitaire ring for sale on Ireland's largest auction and classifieds sites
18k yellow gold - 18k, platinum - £554.98
4.35mm estimated 0.30cts • Clarity color setting • 5.75mm high band - Free postage - New and Used
4.35mm estimated 0.30cts • Clarity color setting • 5.75mm high band - Free postage - New and Used
18ct cushion lab created - 18ct, - £149.99
Ring resizing available • All sizes ensure • Perfect fit are - Free postage - New and Used
Ring resizing available • All sizes ensure • Perfect fit are - Free postage - New and Used
Vintage 18ct plat gold - &, - £1277.60
Ring hallmarked 18ct • Pla result genuine • 18kt 750 18k - Free postage - New and Used
Ring hallmarked 18ct • Pla result genuine • 18kt 750 18k - Free postage - New and Used
Gia certified tcw f vs1 - certified, 0.30 - £1762.35
Ring gia certificate • Custom jewelery designing • Can manufacture your - Free postage - New and Used
Ring gia certificate • Custom jewelery designing • Can manufacture your - Free postage - New and Used
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18k 18ct solid white - 18k, - £399.00
This 18k 18ct • Solid white gold • Diamond solitaire women - Free postage - New and Used
This 18k 18ct • Solid white gold • Diamond solitaire women - Free postage - New and Used
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48 listings · from £98 · avg £1329.08
⚠️ These listings were last updated more than 25 days ago.
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Browse 48 18ct gold diamond solitaire ring listings currently in our index. Prices range from £98 to £4722.68, with an average of £1329.08. 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 18ct gold diamond solitaire ring →
Objkts pear cut - objkts, halo - £98.00
You don know • Objkts they make • Most amazing high - Free postage - New and Used
You don know • Objkts they make • Most amazing high - Free postage - New and Used
18ct gold diamond - diamond, solitaire - £429.66
18ct yellow gold • Ring six claw • Set 0.16ct round - Free postage - New and Used
18ct yellow gold • Ring six claw • Set 0.16ct round - Free postage - New and Used
Ladies 18ct yellow gold - £896.31
- Free postage - New and Used
- Free postage - New and Used
Solid 18ct yellow gold 50ct - solid, - £858.60
Brilliant cut diamond • Weighing 0.50 carats • Catches light perfection - Free postage - New and Used
Brilliant cut diamond • Weighing 0.50 carats • Catches light perfection - Free postage - New and Used
18ct white gold diamond - 18ct, - £2148.30
Gia certified round • Brilliant diamond set • 18ct white gold - Free postage - New and Used
Gia certified round • Brilliant diamond set • 18ct white gold - Free postage - New and Used
18ct yellow gold - yellow, diamond - £701.78
18ct yellow gold • Natural diamond ring • 0.50ct old cut - Free postage - New and Used
18ct yellow gold • Natural diamond ring • 0.50ct old cut - Free postage - New and Used
Ladies womens 18ct yellow - , gold - £1330.94
- Free postage - New and Used
- Free postage - New and Used
18ct gold diamond - 18ct, - £644.49
0.25ct round cut • Diamond set 18ct • Yellow gold - Free postage - New and Used
0.25ct round cut • Diamond set 18ct • Yellow gold - Free postage - New and Used
18k gold diamond solitaire - gold, - £632.32
Design classic solitaire • Minimalist modern elegance • Occasion ideal daily - Free postage - New and Used
Design classic solitaire • Minimalist modern elegance • Occasion ideal daily - Free postage - New and Used
18k gold natural diamond - gold, - £1344.84
Style minimalist sophisticated • Versatile material solid • 18k gold available - Free postage - New and Used
Style minimalist sophisticated • Versatile material solid • 18k gold available - Free postage - New and Used
Nzgd 9ct 18ct - 18ct, gold - £683.59
Purity 9ct yellow • Gold 18ct white • Hallmark 375 diamonds - Free postage - New and Used
Purity 9ct yellow • Gold 18ct white • Hallmark 375 diamonds - Free postage - New and Used
18ct white gold diamond - 18ct, - £608.69
18ct diamond solitaire • Ring clarity can • Adjust suit you - Free postage - New and Used
18ct diamond solitaire • Ring clarity can • Adjust suit you - Free postage - New and Used
Antique 18ct yellow gold - antique, - £950.00
Beautifully crafted antique • Diamond ring 18ct • Yellow gold band - Free postage - New and Used
Beautifully crafted antique • Diamond ring 18ct • Yellow gold band - Free postage - New and Used
Superb sixties vintage 18ct - vintage, - £500.55
Circa late 1960s • Colour diamond clarity • Weight estimated 0.23 - Free postage - New and Used
Circa late 1960s • Colour diamond clarity • Weight estimated 0.23 - Free postage - New and Used
18ct white gold solitaire - 18ct, - £537.08
18ct white gold • Bezel set solitaire • Modern round brilliant - Free postage - New and Used
18ct white gold • Bezel set solitaire • Modern round brilliant - Free postage - New and Used
18k white gold - white, & - £499.84
4.48mm estimated weight • 0.35cts solitaire setting • 5.0mm high band - Free postage - New and Used
4.48mm estimated weight • 0.35cts solitaire setting • 5.0mm high band - Free postage - New and Used
18ct gold solitaire diamond - 18ct, - £426.08
18ct yellow gold • Ring centrally claw • Set palladium one - Free postage - New and Used
18ct yellow gold • Ring centrally claw • Set palladium one - Free postage - New and Used
18k yellow gold 0 - yellow, & - £823.52
4.20mm totaling 0.33 • Carat stamped inside • Band ring canada - Free postage - New and Used
4.20mm totaling 0.33 • Carat stamped inside • Band ring canada - Free postage - New and Used
18k yellow gold 0 - 18k, - £2112.50
5.85mm estimated diamond • Weight 0.80 carat • Solitaire setting 7.70mm - Free postage - New and Used
5.85mm estimated diamond • Weight 0.80 carat • Solitaire setting 7.70mm - Free postage - New and Used
Ladies womens 18ct white gold - ladies/womens, - £536.54
- Free postage - New and Used
- Free postage - New and Used
18k yellow gold 03ct gia - gold, - £3780.29
Fine stunning hand • Made art ring • Set main 1.03carat - Free postage - New and Used
Fine stunning hand • Made art ring • Set main 1.03carat - Free postage - New and Used
Art deco 28ct - art, old - £1925.00
Side gallery equally • Beautiful showcasing delicate • Pierced detailing typical - Free postage - New and Used
Side gallery equally • Beautiful showcasing delicate • Pierced detailing typical - Free postage - New and Used
18k yellow gold 0 25ct - 18k, & - £537.08
4.0mm 0.25cts solitaire • Setting 5.90mm high • Band 1.92mm wide - Free postage - New and Used
4.0mm 0.25cts solitaire • Setting 5.90mm high • Band 1.92mm wide - Free postage - New and Used
5ct lab grown - grown, certified - £3473.09
Main stone oval • Cut lab grown • Diamond igi certified - Free postage - New and Used
Main stone oval • Cut lab grown • Diamond igi certified - Free postage - New and Used
18k white gold 0 25ct - 18k, 0.25ct - £500.55
4.0mm estimated 0.25cts • Total band 2.5mm • Wide shoulders tapering - Free postage - New and Used
4.0mm estimated 0.25cts • Total band 2.5mm • Wide shoulders tapering - Free postage - New and Used
Lab grown diamond - lab, solitaire - £964.94
Lab grown diamonds • Created 0.25ct diamond • Solitaire ring 18ct - Free postage - New and Used
Lab grown diamonds • Created 0.25ct diamond • Solitaire ring 18ct - Free postage - New and Used
New 18ct yellow gold - yellow, diamond - £3311.96
18ct yellow gold • Hand made solitaire • Diamond ring brilliant - Free postage - New and Used
18ct yellow gold • Hand made solitaire • Diamond ring brilliant - Free postage - New and Used
18ct yellow white - 18ct, gold - £429.66
Cast hand assembled • Yellow white gold • Ring 1.8mm 2.0mm - Free postage - New and Used
Cast hand assembled • Yellow white gold • Ring 1.8mm 2.0mm - Free postage - New and Used
18ct white gold round - white, - £2577.96
18ct white gold • Diamond solitaire ring • Clarity si1 gia - Free postage - New and Used
18ct white gold • Diamond solitaire ring • Clarity si1 gia - Free postage - New and Used
18ct yellow gold 70ct - 18ct, 0.70ct - £4536.82
Carat weight 0.70ct • Clarity vs1 si1 • Colour cut brilliant - Free postage - New and Used
Carat weight 0.70ct • Clarity vs1 si1 • Colour cut brilliant - Free postage - New and Used
30ct solitaire diamond - solitaire, - £4092.66
750 gold 18ct • Deta jewellery great • Jewelry sets piece - Free postage - New and Used
750 gold 18ct • Deta jewellery great • Jewelry sets piece - Free postage - New and Used
Wings angel vintage - angel, - £307.21
Diamond weight estimated • 0.14 carats band • Width 2.1mm ring - Free postage - New and Used
Diamond weight estimated • 0.14 carats band • Width 2.1mm ring - Free postage - New and Used
Authentic gia 18ct - authentic gia, - £4722.68
Diamond secured classic • Setting atop polished • 18ct white gold - Free postage - New and Used
Diamond secured classic • Setting atop polished • 18ct white gold - Free postage - New and Used
2ct elongated cushion cut - 2ct, - £2648.85
Carat elongated cushion • Centre stone 2ct • Cut lab grown - Free postage - New and Used
Carat elongated cushion • Centre stone 2ct • Cut lab grown - Free postage - New and Used
14k white gold 0 18ct - gold, & - £315.08
3.60mm estimated 0.18ct • Solitaire setting 6.75mm • Deep band 1.55 - Free postage - New and Used
3.60mm estimated 0.18ct • Solitaire setting 6.75mm • Deep band 1.55 - Free postage - New and Used
18ct 18k white gold 50ct - 18ct, - £2363.13
Point square princess • Cut diamond ring • Shank 3.23mm total - Free postage - New and Used
Point square princess • Cut diamond ring • Shank 3.23mm total - Free postage - New and Used
Ladies womens 18ct - , gold - £1330.94
- Free postage - New and Used
- Free postage - New and Used
Ladies women 18ct - women's, - £913.92
Please have look • Welcome pledge jewellers • Are based hull - Free postage - New and Used
Please have look • Welcome pledge jewellers • Are based hull - Free postage - New and Used
18ct yellow gold diamond - yellow, - £378.76
18ct yellow gold • Diamond solitaire ring • Sweetest most beautiful - Free postage - New and Used
18ct yellow gold • Diamond solitaire ring • Sweetest most beautiful - Free postage - New and Used
The meteor 1930s 18ct - 1930s, - £643.77
1992 bird son • Joined forces fred • Robt professionally polished - Free postage - New and Used
1992 bird son • Joined forces fred • Robt professionally polished - Free postage - New and Used
18k gold princess - gold, cut - £1396.40
Clarity 18ct gold • Princess cut diamond • Can adjust suit - Free postage - New and Used
Clarity 18ct gold • Princess cut diamond • Can adjust suit - Free postage - New and Used
Lab grown diamond - lab, - £1236.99
What are lab • 18ct yellow gold • 0.50ctw round brilliant - Free postage - New and Used
What are lab • 18ct yellow gold • 0.50ctw round brilliant - Free postage - New and Used
18ct white gold natural - gold, - £500.52
18ct white gold • Natural diamond solitaire • Ring result genuine - Free postage - New and Used
18ct white gold • Natural diamond solitaire • Ring result genuine - Free postage - New and Used
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Everything you need to know about 18ct gold diamond solitaire ring
Whether you are looking for a brand-new or second-hand 18ct gold diamond solitaire ring, 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 £98, while premium listings can reach £4722.68 — giving you a wide budget spread to work with. The average price of £1329.08 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.