Diamond fish tank
Diamond fish tank for sale on Ireland's largest auction and classifieds sites
Dennerle crystal quartz gravel - quartz, - £20.95
Dennerle crystal quartz • Gravel highly attractive • Suitable all tropical - Free postage - New and Used
Dennerle crystal quartz • Gravel highly attractive • Suitable all tropical - Free postage - New and Used
Dennerle crystal quartz gravel - crystal, - £25.50
Dennerle crystal quartz • Gravel diamond black • Natural looking blackgravel - Free postage - New and Used
Dennerle crystal quartz • Gravel diamond black • Natural looking blackgravel - Free postage - New and Used
Diamond cut filter - diamond, grids - £65.95
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
Diamond cut filter grids - 20, x - £99.95
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
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Fish tank background pastel - fish, - £14.99
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
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48 listings · from £4.24 · avg £23.11
⚠️ These listings were last updated more than 13 days ago.
Search for fresh listings
Browse 48 diamond fish tank listings currently in our index. Prices range from £4.24 to £165.92, with an average of £23.11. 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 diamond fish tank →
Diamond cut filter grid - diamond, box - £12.90
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Fish tank feeding - fish, - £5.68
Fish tank portals • Aquarium plant corral • Basic shapes floating - Free postage - New and Used
Fish tank portals • Aquarium plant corral • Basic shapes floating - Free postage - New and Used
Diamond cut filter grids - 2, x - £18.50
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
Diamond cut filter grids - diamond, - £12.90
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
Fish tank background diamond - fish, - £14.99
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Fish tank background - tank, abstract - £14.99
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Diamond cut filter grids - x, - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Diamond cut filter - 2, - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Diamond cut filter - cut, grids - £34.95
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
Diamond black 10lb gravel - 10lb,, - £30.43
Quartz gravel rolls • Royce our range • Not only looks - Free postage - New and Used
Quartz gravel rolls • Royce our range • Not only looks - Free postage - New and Used
Fish tank background diamond - fish, - £14.99
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Diamond cut filter grids - x, - £24.95
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
These quality polypropylene • Filter grids specifically • Made aquatic use - Free postage - New and Used
Diamond cut filter - diamond, grids - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Fish tank background - tank, 90x45cm - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Fish tank background - fish, 90x45cm - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Fish tank background - tank, 90x45cm - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Fish tank background 90x45cm - fish, - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Fish tank background stag - tank, - £14.99
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Fish tank background 90x45cm - background, - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Fish tank background 90x45cm - background, - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Fish tank background 90x45cm - background, - £14.99
Art prints satin • Aquarium fish tank • Mugs travel flask - Free postage - New and Used
Art prints satin • Aquarium fish tank • Mugs travel flask - Free postage - New and Used
Fish tank background - fish, - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Fish tank background 90x45cm - fish, - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Diamond black 10lb premium - black, 10lb, - £19.46
Quartz gravel rolls • Royce our range • Not only looks - Free postage - New and Used
Quartz gravel rolls • Royce our range • Not only looks - Free postage - New and Used
Murano art glass aquarium - art, - £165.92
This gorgeous beautiful • Hand blown glass • Paperweight has been - Free postage - New and Used
This gorgeous beautiful • Hand blown glass • Paperweight has been - Free postage - New and Used
Fish tank background - fish, - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Fish tank background 90x45cm - fish, - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Fish tank background - background, waikiki - £14.99
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Our stickers are • Easy apply will • Stay glass long - Free postage - New and Used
Diamond cut filter grids - filter, - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Fish tank background 90x45cm - fish, - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Fish tank background - fish, - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Fish tank background 90x45cm - tank, - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Diamond cut filter - 15, grids - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Diamond cut filter grids - 3, - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Fish tank background 90x45cm - tank, - £14.99
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Aquarium fish tank • Mugs travel flask • Backgrounds background static - Free postage - New and Used
Fish tank background - fish, - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Fish tank background - fish, - £14.99
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Printed stocked warehouse • High quality aquarium • Fish tank background - Free postage - New and Used
Diamond cut filter grids egg - cut, - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Diamond cut filter - 4, grids - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Diamond cut filter - diamond, - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Suction cups sucker aquarium - sucker, - £4.24
Good suction can • Used aquarium glass • Acrylic any other - Free postage - New and Used
Good suction can • Used aquarium glass • Acrylic any other - Free postage - New and Used
Diamond cut filter - diamond, grids - £19.99
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Multi grid clip • Together filter support • Grids black quantity - Free postage - New and Used
Top fin diamond aquarium 1 - top, - £22.11
New box see • Photos - Free postage - New and Used
New box see • Photos - Free postage - New and Used
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Everything you need to know about diamond fish tank
Whether you are looking for a brand-new or second-hand diamond fish tank, 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 £4.24, while premium listings can reach £165.92 — giving you a wide budget spread to work with. The average price of £23.11 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.