Blue diamond rings
Blue diamond rings for sale on Ireland's largest auction and classifieds sites
9ct gold sapphire and diamond - £156.70
This product beautiful • 9ct gold sapphire • Diamond ring hallmarked - Free postage - New and Used
This product beautiful • 9ct gold sapphire • Diamond ring hallmarked - Free postage - New and Used
Oval cut blue sapphire - cut, - £98.99
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
Cushion cut blue - 3.85, - £371.21
Want add personal • Touch this piece • Any reason you - Free postage - New and Used
Want add personal • Touch this piece • Any reason you - Free postage - New and Used
7mm men titanium - 7mm, diamond - £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
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9ct white gold - white, - £234.70
This beautiful 9ct • White gold ring • 0.25ct blue diamonds - Free postage - New and Used
This beautiful 9ct • White gold ring • 0.25ct blue diamonds - Free postage - New and Used
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48 listings · from £14.66 · avg £415.83
⚠️ These listings were last updated more than 99 days ago.
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Browse 48 blue diamond rings listings currently in our index. Prices range from £14.66 to £4686.7, with an average of £415.83. 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 →
18ct white gold - white, & - £599.99
18ct white gold • Natural diamond sapphire • Eternity ring marked - Free postage - New and Used
18ct white gold • Natural diamond sapphire • Eternity ring marked - Free postage - New and Used
Aquamarine and diamond ring - and, - £255.50
Fabulous aquamarine diamond • Ring amazing colour • Set hallmarked white - Free postage - New and Used
Fabulous aquamarine diamond • Ring amazing colour • Set hallmarked white - Free postage - New and Used
5mm titanium diamond blue - titanium, - £79.94
Band features double • Two tone blue • Grooved design center - Free postage - New and Used
Band features double • Two tone blue • Grooved design center - Free postage - New and Used
Sapphire diamond ring yellow - sapphire, - £255.50
Set hallmarked yellow • Gold fabulous sapphire • Diamond ring this - Free postage - New and Used
Set hallmarked yellow • Gold fabulous sapphire • Diamond ring this - Free postage - New and Used
9ct yellow gold - gold, sapphire - £129.95
9ct yellow gold • Sapphire diamond ring • Item has hallmarks - Free postage - New and Used
9ct yellow gold • Sapphire diamond ring • Item has hallmarks - Free postage - New and Used
Topaz diamond ring - diamond, - £286.70
Fabulous colour vibrant • Pink topaz diamond • Ring set hallmarked - Free postage - New and Used
Fabulous colour vibrant • Pink topaz diamond • Ring set hallmarked - Free postage - New and Used
Sapphire and diamond - sapphire, - £297.10
This beautiful ring • Will supplied lovely • Box one shown - Free postage - New and Used
This beautiful ring • Will supplied lovely • Box one shown - Free postage - New and Used
Sapphire and diamond ring - and, - £234.70
Sapphire weight half • Carat this principal • Stone surrounded rows - Free postage - New and Used
Sapphire weight half • Carat this principal • Stone surrounded rows - Free postage - New and Used
Oval cut blue sapphire - 3, - £78.85
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
Natural pear shaped - shaped, topaz - £156.70
Beautiful yellow gold • Ring vibrant blue • Natural pear shaped - Free postage - New and Used
Beautiful yellow gold • Ring vibrant blue • Natural pear shaped - Free postage - New and Used
Blue sapphire diamond - blue, eternity - £72.25
Signity diamonds are • Popularly recognised diamond • Trade high end - Free postage - New and Used
Signity diamonds are • Popularly recognised diamond • Trade high end - Free postage - New and Used
Diamond and sapphire ring - and, - £399.40
Fabulous antique style • Sapphire diamond ring • Set yellow gold - Free postage - New and Used
Fabulous antique style • Sapphire diamond ring • Set yellow gold - Free postage - New and Used
Sapphire and diamond ring - and, - £389.20
This beautiful ring • Will supplied lovely • Box one shown - Free postage - New and Used
This beautiful ring • Will supplied lovely • Box one shown - Free postage - New and Used
Aquamarine and diamond ring - and, - £224.30
Set hallmarked yellow • Gold fabulous aquamarine • Diamond ring amazing - Free postage - New and Used
Set hallmarked yellow • Gold fabulous aquamarine • Diamond ring amazing - Free postage - New and Used
Sky blue topaz gemstone 925 - blue, - £16.94
This stunning piece • Features dazzling marquise • Shaped lab created - Free postage - New and Used
This stunning piece • Features dazzling marquise • Shaped lab created - Free postage - New and Used
Sapphire and diamond ring - and, - £399.40
Fully hallmarked authenticated • 14ct white gold • This sale classic - Free postage - New and Used
Fully hallmarked authenticated • 14ct white gold • This sale classic - Free postage - New and Used
Sapphire and diamond ring - £286.70
Wow fabulous sapphire • Diamond ring set • Yellow gold hallmarked - Free postage - New and Used
Wow fabulous sapphire • Diamond ring set • Yellow gold hallmarked - Free postage - New and Used
Sapphire diamond ring yellow - &, - £177.50
Fabulous sapphire diamond • Ring set yellow • Gold hallmarked gorgeous - Free postage - New and Used
Fabulous sapphire diamond • Ring set yellow • Gold hallmarked gorgeous - Free postage - New and Used
Diamond topaz ring hallmarked - diamond, - £286.70
Fabulous sherry topaz • Diamond ring set • Beautiful yellow gold - Free postage - New and Used
Fabulous sherry topaz • Diamond ring set • Beautiful yellow gold - Free postage - New and Used
Sapphire and diamond ring - and, - £291.90
Gorgeous colour sapphires • Different lights this • Beautiful ring will - Free postage - New and Used
Gorgeous colour sapphires • Different lights this • Beautiful ring will - Free postage - New and Used
Topaz and diamond - topaz, ring - £297.10
Topaz diamond ring • Fully hallmarked authenticated • Yellow gold this - Free postage - New and Used
Topaz diamond ring • Fully hallmarked authenticated • Yellow gold this - Free postage - New and Used
18ct lorique tanzanite - 18ct, - £3663.40
This beautiful 18ct • Lorique collection aaaa • 2.50ct tanzanite diamond - Free postage - New and Used
This beautiful 18ct • Lorique collection aaaa • 2.50ct tanzanite diamond - Free postage - New and Used
Sapphire and diamond - sapphire, - £1225.60
Sapphire diamond ring • Set platinum remarkable • Item hand crafted - Free postage - New and Used
Sapphire diamond ring • Set platinum remarkable • Item hand crafted - Free postage - New and Used
2ct round blue sapphire - round, - £87.99
Signity diamond excellent • Cut equal ideal • Reflection loop clean - Free postage - New and Used
Signity diamond excellent • Cut equal ideal • Reflection loop clean - Free postage - New and Used
Round cut blue - round, - £90.00
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
Round blue sapphire - round, - £105.00
Signity diamond excellent • Cut equal ideal • Reflection loop clean - Free postage - New and Used
Signity diamond excellent • Cut equal ideal • Reflection loop clean - Free postage - New and Used
Blue topaz diamond - topaz, - £285.00
Crafted 9ct gold • Boat style ring • Blue topaz diamonds - Free postage - New and Used
Crafted 9ct gold • Boat style ring • Blue topaz diamonds - Free postage - New and Used
Sapphire and diamond ring - sapphire, - £669.70
Set 18ct yellow • Gold hallmarked tested • 0.40ct diamond cluster - Free postage - New and Used
Set 18ct yellow • Gold hallmarked tested • 0.40ct diamond cluster - Free postage - New and Used
Cushion cut blue topaz - topaz, with - £156.70
Gorgeous sparkle statement • Piece - Free postage - New and Used
Gorgeous sparkle statement • Piece - Free postage - New and Used
96ct trillion cut - trillion, tanzanite - £39.00
0.96 tanzanite ring • Diamonds - Free postage - New and Used
0.96 tanzanite ring • Diamonds - Free postage - New and Used
Vintage sapphire and diamond - vintage, - £203.50
This vintage sapphire • Diamond 9ct gold • Ring stunning piece - Free postage - New and Used
This vintage sapphire • Diamond 9ct gold • Ring stunning piece - Free postage - New and Used
Sapphire ring with halo - ring, of - £4686.70
This sapphire ring • Halo diamond set • White gold stunning - Free postage - New and Used
This sapphire ring • Halo diamond set • White gold stunning - Free postage - New and Used
Vintage trilogy sapphire - 9k, - £104.70
Gorgeous sapphire diamond • Gold trilogy ring • 13mm wide 4mm - Free postage - New and Used
Gorgeous sapphire diamond • Gold trilogy ring • 13mm wide 4mm - Free postage - New and Used
Lapis lazuli natural - lapis, - £14.66
Lapis lazuli ring • 925 sterling silver • Christmas gifts natural - Free postage - New and Used
Lapis lazuli ring • 925 sterling silver • Christmas gifts natural - Free postage - New and Used
9ct yellow gold tanzanite - yellow, - £299.00
This stunning 9ct • Yellow gold eternity • Ring naava features - Free postage - New and Used
This stunning 9ct • Yellow gold eternity • Ring naava features - Free postage - New and Used
Sapphire and diamond ring - and, - £669.70
Vitange 18ct white • Gold 0.40ct diamond • Cluster ring hallmark - Free postage - New and Used
Vitange 18ct white • Gold 0.40ct diamond • Cluster ring hallmark - Free postage - New and Used
Sterling silver 925 natural - silver, - £39.95
High quality rhodium • Finish ring face • Depth 4.75mm gemstones - Free postage - New and Used
High quality rhodium • Finish ring face • Depth 4.75mm gemstones - Free postage - New and Used
Tanzanite and diamond ring - and, - £234.70
Sale know fabulous • Tanzanite diamond ring • Set yellow gold - Free postage - New and Used
Sale know fabulous • Tanzanite diamond ring • Set yellow gold - Free postage - New and Used
Topaz and diamond ring - diamond, - £297.10
Fabulous imperial blue • Topaz diamond ring • Set beautiful yellow - Free postage - New and Used
Fabulous imperial blue • Topaz diamond ring • Set beautiful yellow - Free postage - New and Used
Alexandrite and diamond ring - diamond, - £208.70
Lovely antique alexandrite • Gold ring diamond • Chips flanks this - Free postage - New and Used
Lovely antique alexandrite • Gold ring diamond • Chips flanks this - Free postage - New and Used
Sapphire and diamond ring - and, - £613.60
Does change colour • Different light surroundings • Which makes interesting - Free postage - New and Used
Does change colour • Different light surroundings • Which makes interesting - Free postage - New and Used
0ct art deco style - 3.0ct, round - £75.04
Turnaround 65000 70000 • Pcs annually diamond • Simulated cubic zirconia - Free postage - New and Used
Turnaround 65000 70000 • Pcs annually diamond • Simulated cubic zirconia - Free postage - New and Used
Snake inspired sapphire lab - snake, - £92.04
All our jewelry • Made nickel free • Ring available half - Free postage - New and Used
All our jewelry • Made nickel free • Ring available half - 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 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 £14.66, while premium listings can reach £4686.7 — giving you a wide budget spread to work with. The average price of £415.83 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.