Blue diamond rings
Blue diamond rings for sale on Ireland's largest auction and classifieds sites
Natural thai green sapphire - natural, - £1484.23
This elegantgreen sapphire • Diamond halo ring • Features naturalforest green - Free postage - New and Used
This elegantgreen sapphire • Diamond halo ring • Features naturalforest green - Free postage - New and Used
Natural tanzanite - tanzanite, & - £236.59
Diamond type natural • Weight 0.50 carat • Clarity vs1 - Free postage - New and Used
Diamond type natural • Weight 0.50 carat • Clarity vs1 - Free postage - New and Used
Sapphire and diamond 9ct gold - and, - £245.10
This sapphire diamond • 9ct gold ring • Vintage piece that - Free postage - New and Used
This sapphire diamond • 9ct gold ring • Vintage piece that - Free postage - New and Used
Aquamarine and diamond 9ct - aquamarine, - £277.34
This vintage hallmarked • Aquamarine diamond 9ct • Gold ring stunning - Free postage - New and Used
This vintage hallmarked • Aquamarine diamond 9ct • Gold ring stunning - Free postage - New and Used
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Green sapphire halo diamond - green, - £1855.29
Crafted insolid 14k • Yellow gold ring • Features graceful sculpted - Free postage - New and Used
Crafted insolid 14k • Yellow gold ring • Features graceful sculpted - Free postage - New and Used
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47 listings · from £10.53 · avg £431.99
⚠️ These listings were last updated more than 9 days ago.
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Browse 47 blue diamond rings listings currently in our index. Prices range from £10.53 to £2228.89, with an average of £431.99. 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 blue diamond rings →
7mm men titanium diamond - 7mm, men's - £19.95
Ring comprises round • Diamond 0.03ct weight • Set beautiful rub - Free postage - New and Used
Ring comprises round • Diamond 0.03ct weight • Set beautiful rub - Free postage - New and Used
Art deco stunning - deco, - £595.00
Art deco beautiful • 1.00 carat sapphire • Diamond solid platinum - Free postage - New and Used
Art deco beautiful • 1.00 carat sapphire • Diamond solid platinum - Free postage - New and Used
Pre owned 9ct gold - gold, blue - £307.99
Pre owned 9ct • Gold blue treated • White diamond ring - Free postage - New and Used
Pre owned 9ct • Gold blue treated • White diamond ring - Free postage - New and Used
Ladies 18ct white - ladies, gold - £1237.50
Here miltons diamonds • Present this ladies • 18ct white gold - Free postage - New and Used
Here miltons diamonds • Present this ladies • 18ct white gold - Free postage - New and Used
Pre owned 9ct white gold - 9ct, - £318.99
1.90mm wide back • Take great care • Ensure our pre - Free postage - New and Used
1.90mm wide back • Take great care • Ensure our pre - Free postage - New and Used
9carat white gold blue topaz - blue, & - £659.00
Also have range • Other services including • Ring engraving jewellery - Free postage - New and Used
Also have range • Other services including • Ring engraving jewellery - Free postage - New and Used
Aquamarine and diamond - diamond, 9ct - £276.30
This vintage aquamarine • Diamond 9ct gold • Ring stunning piece - Free postage - New and Used
This vintage aquamarine • Diamond 9ct gold • Ring stunning piece - Free postage - New and Used
Pre owned 9ct white gold - white, - £183.99
9ct white gold • Diamond topaz ring • Love elegant styling - Free postage - New and Used
9ct white gold • Diamond topaz ring • Love elegant styling - Free postage - New and Used
Oval natural blue - natural, - £329.50
Want add personal • Touch this piece - Free postage - New and Used
Want add personal • Touch this piece - Free postage - New and Used
Vintage victorian edwardian - vintage, - £157.16
You have any • Queries related product • Can expect reply - Free postage - New and Used
You have any • Queries related product • Can expect reply - Free postage - New and Used
Art deco 80ct round - art, 2.80ct - £115.00
Here quick comparison • Few facts about • Diamonds signity diamond - Free postage - New and Used
Here quick comparison • Few facts about • Diamonds signity diamond - Free postage - New and Used
925 solid silver simulated - 925, - £14.99
Material 100 925 • Sterling silver alphabet • Zircon love letter - Free postage - New and Used
Material 100 925 • Sterling silver alphabet • Zircon love letter - Free postage - New and Used
Sapphire and diamond - diamond, ring - £1119.99
Real sapphire diamond • Pear ring 9ct • White gold teardrop - Free postage - New and Used
Real sapphire diamond • Pear ring 9ct • White gold teardrop - Free postage - New and Used
Jewelry sapphire diamond ring - jewelry, - £817.52
Materialpt900 platinum diamond • Sapphire 1.18ctdiamond 0.20ct • Pre owned used - Free postage - New and Used
Materialpt900 platinum diamond • Sapphire 1.18ctdiamond 0.20ct • Pre owned used - Free postage - New and Used
Oval cut natural - 4.50, - £260.88
Diamond type natural • Weight 0.50 carat • Our pieces are - Free postage - New and Used
Diamond type natural • Weight 0.50 carat • Our pieces are - Free postage - New and Used
Oval cut natural blue - ct, - £359.55
Gemstone weight 5.00 • Carat blue sapphire • Diamond type natural - Free postage - New and Used
Gemstone weight 5.00 • Carat blue sapphire • Diamond type natural - Free postage - New and Used
04ct oval cut - oval, blue - £366.95
Gemstone weight 6.62 • Carat blue sapphire • Diamond type natural - Free postage - New and Used
Gemstone weight 6.62 • Carat blue sapphire • Diamond type natural - Free postage - New and Used
Oval cut natural topaz - 2.20, - £248.00
Diamond type natural • Weight 0.20 carat • Our pieces are - Free postage - New and Used
Diamond type natural • Weight 0.20 carat • Our pieces are - Free postage - New and Used
Oval cut natural - 4.60, ct - £261.80
Diamond type natural • Weight 0.60 carat • Our pieces are - Free postage - New and Used
Diamond type natural • Weight 0.60 carat • Our pieces are - Free postage - New and Used
9ct white gold sapphire - 9ct, - £10.53
Created gems there • Are hallmarks this • Item - Free postage - New and Used
Created gems there • Are hallmarks this • Item - Free postage - New and Used
Aaa cts tanzanite - aaa, 1.05 - £267.16
Lab created tanzanite • Grades hue violetish • Blue made usa - Free postage - New and Used
Lab created tanzanite • Grades hue violetish • Blue made usa - Free postage - New and Used
Real white and blue - white, - £146.94
Set 925 sterling • Silver real diamonds • Tested - Free postage - New and Used
Set 925 sterling • Silver real diamonds • Tested - Free postage - New and Used
Certified asscher cut - certified, ct - £146.32
Shape diamond asscher • Ring handcrafted utmost • Has excellent cut - Free postage - New and Used
Shape diamond asscher • Ring handcrafted utmost • Has excellent cut - Free postage - New and Used
Rare 925 silver - 24.20, ct - £259.67
Elegant look great • Shine shape diamond • Round brilliant cut - Free postage - New and Used
Elegant look great • Shine shape diamond • Round brilliant cut - Free postage - New and Used
Certified radiant cut - radiant, - £114.40
Shape diamond radiant • Ring handcrafted utmost • Has excellent cut - Free postage - New and Used
Shape diamond radiant • Ring handcrafted utmost • Has excellent cut - Free postage - New and Used
Swiss blue topaz - swiss, - £17.76
Swiss blue topaz • This stunning piece • Perfect anyone looking - Free postage - New and Used
Swiss blue topaz • This stunning piece • Perfect anyone looking - Free postage - New and Used
Mosanite mens diamond ring - diamond, - £19.36
This mosanite men • Diamond ring features • 2.0 lab created - Free postage - New and Used
This mosanite men • Diamond ring features • 2.0 lab created - Free postage - New and Used
Oval cut natural - 5.30, ct - £351.41
Diamond type natural • Want add personal • Touch this piece - Free postage - New and Used
Diamond type natural • Want add personal • Touch this piece - Free postage - New and Used
Natural blue sapphire - 5.00, - £357.33
Diamond type natural • Weight 0.00 carat • Have also introduced - Free postage - New and Used
Diamond type natural • Weight 0.00 carat • Have also introduced - Free postage - New and Used
Natural sapphire and - ct, - £144.26
Diamond weight 0.50 • Type lab created • Natural certification igl - Free postage - New and Used
Diamond weight 0.50 • Type lab created • Natural certification igl - Free postage - New and Used
Sapphire design ring platinum - ring, - £523.19
Materialpt900 sapphire diamond • Typesapphire design ring • Thickness height8.3mm 0.3 - Free postage - New and Used
Materialpt900 sapphire diamond • Typesapphire design ring • Thickness height8.3mm 0.3 - Free postage - New and Used
Oval cut ct natural - ct, - £258.72
Diamond type natural • Weight 1.00 carat • Our pieces are - Free postage - New and Used
Diamond type natural • Weight 1.00 carat • Our pieces are - Free postage - New and Used
Certified asscher cut - certified, 8.70 - £141.00
Shape diamond asscher • Ring handcrafted utmost • Has excellent cut - Free postage - New and Used
Shape diamond asscher • Ring handcrafted utmost • Has excellent cut - Free postage - New and Used
2ct oval blue alexandrite - oval, - £92.00
Diamond color alexandrite • Excellent cut equal • Reflection loop clean - Free postage - New and Used
Diamond color alexandrite • Excellent cut equal • Reflection loop clean - Free postage - New and Used
Round cut halo fancy - ct, - £2228.89
Diamond type lab • Clarity vvs2 engraving • Characters will subject - Free postage - New and Used
Diamond type lab • Clarity vvs2 engraving • Characters will subject - Free postage - New and Used
Emerald cut 29ct natural - emerald, - £263.72
Diamond type natural • Weight 1.00 carat • Our pieces are - Free postage - New and Used
Diamond type natural • Weight 1.00 carat • Our pieces are - Free postage - New and Used
9ct gold diamond - gold, ring - £330.00
This beautiful 9ct • Gold ring currently • Holds full british - Free postage - New and Used
This beautiful 9ct • Gold ring currently • Holds full british - Free postage - New and Used
Sterling 60ct oval lab - sterling, - £125.10
New sterling silver • 60ct lab created • Oval sapphire 16ct - Free postage - New and Used
New sterling silver • 60ct lab created • Oval sapphire 16ct - Free postage - New and Used
14k white gold lab - white, - £1897.30
Creation lab created • Color stones change • White topaz blue - Free postage - New and Used
Creation lab created • Color stones change • White topaz blue - Free postage - New and Used
Flower sapphire diamond - sapphire, & - £500.00
Stone shape carre • Cut delicate sapphire • Diamond ring from - Free postage - New and Used
Stone shape carre • Cut delicate sapphire • Diamond ring from - Free postage - New and Used
Rare ct certified - ct, - £199.52
Silver 925 sterling • Nickel free rhodium • Plating will not - Free postage - New and Used
Silver 925 sterling • Nickel free rhodium • Plating will not - Free postage - New and Used
Rare blue diamond - rare, 15.10 - £160.45
Elegant look great • Shine this diamond • Ring handcrafted utmost - Free postage - New and Used
Elegant look great • Shine this diamond • Ring handcrafted utmost - Free postage - New and Used
Try this: blue kyanite | blue opal rings | blue sapphire necklace | blue sapphire rings | byzantine bracelet | cartier necklace | celtic cross | chamilia bracelet | chocolate diamond rings | cluster rings
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Everything you need to know about blue diamond rings
Whether you are looking for a brand-new or second-hand blue diamond rings, eBay offers one of the largest selections available online. With 47 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 £10.53, while premium listings can reach £2228.89 — giving you a wide budget spread to work with. The average price of £431.99 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.