Blue opal
Blue opal for sale on Ireland's largest auction and classifieds sites
Fire opal hoops earrings - fire, - £12.95
Synthetic opal stones • Inner 8mm outer • 10mm - Free postage - New and Used
Synthetic opal stones • Inner 8mm outer • 10mm - Free postage - New and Used
Blue opal pendant necklace 925 - £56.86
Blue opal doublet • Set within handcrafted • Bezel pendant sterling - Free postage - New and Used
Blue opal doublet • Set within handcrafted • Bezel pendant sterling - Free postage - New and Used
Australian triplets opal - australian, - £18.02
Australian triplets opal • Rare find ensuring • That you stand - Free postage - New and Used
Australian triplets opal • Rare find ensuring • That you stand - Free postage - New and Used
925 sterling silver white fire - 925, - £14.53
Advise everyone this • Great product looks • Amazing very happy - Free postage - New and Used
Advise everyone this • Great product looks • Amazing very happy - Free postage - New and Used
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Pair 925 sterling silver - 925, - £6.99
3mm opal 4mm • Including bezel 925 • Sterling silver love - Free postage - New and Used
3mm opal 4mm • Including bezel 925 • Sterling silver love - Free postage - New and Used
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48 listings · from £3.49 · avg £20.37
⚠️ These listings were last updated more than 13 days ago.
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Browse 48 blue opal listings currently in our index. Prices range from £3.49 to £116.62, with an average of £20.37. 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 opal →
9ct yellow gold blue fire - yellow, - £26.99
Add touch elegance • Your outfit this • Stunning blue fire - Free postage - New and Used
Add touch elegance • Your outfit this • Stunning blue fire - Free postage - New and Used
White opal stone - stone, pendant - £5.50
Add touch elegance • Charm your jewelry • Collection thiscute water - Free postage - New and Used
Add touch elegance • Charm your jewelry • Collection thiscute water - Free postage - New and Used
925 sterling silver - 925, - £10.00
Pair simple but • Stunning 925 sterling • Silver stud earrings - Free postage - New and Used
Pair simple but • Stunning 925 sterling • Silver stud earrings - Free postage - New and Used
Sterling silver white fire - sterling, - £12.18
- Free postage - New and Used
- Free postage - New and Used
Silver plated synthetic blue - silver, - £11.00
Its hypoallergenic high • Polished finish makes • Safe sensitive skin - Free postage - New and Used
Its hypoallergenic high • Polished finish makes • Safe sensitive skin - Free postage - New and Used
925 sterling silver - 925, and - £13.99
Beautiful elegant dangle • Earrings lovely blue • Opal detail - Free postage - New and Used
Beautiful elegant dangle • Earrings lovely blue • Opal detail - Free postage - New and Used
White opal stone pendant - white, - £8.99
Receive item you • Ordered get your • Money back always - Free postage - New and Used
Receive item you • Ordered get your • Money back always - Free postage - New and Used
925 sterling silver blue - sterling, - £3.49
925 stamped - Free postage - New and Used
925 stamped - Free postage - New and Used
Smooth blue opal rough 35 - opal, - £41.81
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
Australian opal gemstone - opal, ring - £15.35
Gemstone australian opal • Style band ring • All images are - Free postage - New and Used
Gemstone australian opal • Style band ring • All images are - Free postage - New and Used
Vintage style jewellery - vintage, - £12.34
Very good condition • They look like • New beautiful vintage - Free postage - New and Used
Very good condition • They look like • New beautiful vintage - Free postage - New and Used
Blue andean opal polished palm - polished, - £18.29
This exquisite polished • Blue andean opal • Palm stone measures - Free postage - New and Used
This exquisite polished • Blue andean opal • Palm stone measures - Free postage - New and Used
Crushed opal pacific blue - crushed, - £6.99
Hand crush all • Our opal using • Solid slabs authentic - Free postage - New and Used
Hand crush all • Our opal using • Solid slabs authentic - Free postage - New and Used
Opal bead nose ring sterling - £6.94
This hoop made • 925 sterling silver • Which has beautiful - Free postage - New and Used
This hoop made • 925 sterling silver • Which has beautiful - Free postage - New and Used
Bohemian oval australian white - oval, - £7.58
This bohemian oval • Australian white opal • Aqua clear zirconia - Free postage - New and Used
This bohemian oval • Australian white opal • Aqua clear zirconia - Free postage - New and Used
Silver plated synthetic - silver, blue - £11.00
Synthetic blue opal • Experience vibrant beauty • This philip jones - Free postage - New and Used
Synthetic blue opal • Experience vibrant beauty • This philip jones - Free postage - New and Used
925 sterling silver jewelry - 925, - £11.42
Will not shared • Any other way • Your details are - Free postage - New and Used
Will not shared • Any other way • Your details are - Free postage - New and Used
Crushed opal ocean - crushed, blue/ - £6.99
Hand crush all • Our opal using • Solid slabs authentic - Free postage - New and Used
Hand crush all • Our opal using • Solid slabs authentic - Free postage - New and Used
925 sterling silver blue fire - 925, - £10.65
- Free postage - New and Used
- Free postage - New and Used
925 silver dolphin - silver, charm - £21.99
Silver dolphin charm • Blue opal inlay • Add splash ocean - Free postage - New and Used
Silver dolphin charm • Blue opal inlay • Add splash ocean - Free postage - New and Used
Single monroe labret - single, back - £4.50
Blue green brilliant • White opal bezel • Setting internal thread - Free postage - New and Used
Blue green brilliant • White opal bezel • Setting internal thread - Free postage - New and Used
Blue fire opal stone round - fire, - £12.93
This great product • Looks amazing very • Happy - Free postage - New and Used
This great product • Looks amazing very • Happy - Free postage - New and Used
9ct gold opal white fire - gf, - £5.75
- Free postage - New and Used
- Free postage - New and Used
Smooth blue opal - smooth, - £59.29
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
Smooth blue opal - smooth, 11.25 - £40.91
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
Ladies solid sterling - solid, 925 - £39.99
This pendant decorated • Centre oval cut • Stone opal white - Free postage - New and Used
This pendant decorated • Centre oval cut • Stone opal white - Free postage - New and Used
Smooth blue opal rough 30 - smooth, - £33.62
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
Starburst simulated blue topaz - blue, - £4.87
Lab grown synthetic • Opal also known • Takes about year - Free postage - New and Used
Lab grown synthetic • Opal also known • Takes about year - Free postage - New and Used
Dark blue synthetic opal oval - synthetic, - £5.89
Blue oval synthetic • Opal cabochons vibrant • Base lively flashes - Free postage - New and Used
Blue oval synthetic • Opal cabochons vibrant • Base lively flashes - Free postage - New and Used
Camber surface stick - surface, - £4.87
Lab grown synthetic • Opal also known • Takes about year - Free postage - New and Used
Lab grown synthetic • Opal also known • Takes about year - Free postage - New and Used
9ct yellow gold - 9ct, fire - £15.07
- Free postage - New and Used
- Free postage - New and Used
9ct gold opal white - gold, - £5.38
Boho fashion style • Perfect blend classic • Add elegance sparkle - Free postage - New and Used
Boho fashion style • Perfect blend classic • Add elegance sparkle - Free postage - New and Used
925 sterling silver white blue - silver, - £12.49
- Free postage - New and Used
- Free postage - New and Used
Smooth blue opal rough 60 - blue, - £42.26
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
Blue opal rough cts - 18.25, - £67.26
Variety ethiopian opal • Blue body tone • Stable durable cutting - Free postage - New and Used
Variety ethiopian opal • Blue body tone • Stable durable cutting - Free postage - New and Used
Sky blue synthetic lab created - synthetic, - £116.62
Lab created opal • Mineral type synthetic • Color sky blue - Free postage - New and Used
Lab created opal • Mineral type synthetic • Color sky blue - Free postage - New and Used
Stunning owhyee blue opal - blue, - £10.25
Stunning owhyee blue • Opal oval 925 • Silver pendant chain - Free postage - New and Used
Stunning owhyee blue • Opal oval 925 • Silver pendant chain - Free postage - New and Used
Synthetic blue opal stud - synthetic, - £14.00
Synthetic blue opal • Sparkle shine these • Stud earrings philip - Free postage - New and Used
Synthetic blue opal • Sparkle shine these • Stud earrings philip - Free postage - New and Used
9ct gold opal white fire - white, - £11.98
These 9ct gold • Opal white fire • Stone teardrop boho - Free postage - New and Used
These 9ct gold • Opal white fire • Stone teardrop boho - Free postage - New and Used
9ct gold opal - gf, fire - £5.89
I2.6744rahjrahjey style box • Webkit tap highlight • Color transparent outline - Free postage - New and Used
I2.6744rahjrahjey style box • Webkit tap highlight • Color transparent outline - Free postage - New and Used
Three stone ocean blue fire - ocean, - £4.87
Lab grown synthetic • Opal 6x8mm 5x7mm • Created ocean blue - Free postage - New and Used
Lab grown synthetic • Opal 6x8mm 5x7mm • Created ocean blue - Free postage - New and Used
Smooth blue opal - opal, rough - £45.44
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
Smooth blue opal rough 90 - rough, 10.90 - £40.91
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
This exceptional welo • Opal boasts deep • Naturally enhanced dark - Free postage - New and Used
Try this: silver torque | clogau gold necklace | thomas sabo rings | tiffany brooch | lovelinks | mystic topaz ring | ortak | 22ct rings | red fire opal ring | 24ct gold bracelet
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Everything you need to know about blue opal
Whether you are looking for a brand-new or second-hand blue opal, 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 £3.49, while premium listings can reach £116.62 — giving you a wide budget spread to work with. The average price of £20.37 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.