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Various
925 sterling silver - 925,
£18.99
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Vintage black fire opal - black,
£58.00
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14k gold vermeil 925 - , synthetic
£29.82
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New beautiful ladies synthetic - new,
£6.52
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925 sterling silver teardrop - silver,
£11.99
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925 sterling silver teardrop - 925,
£18.99
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925 sterling silver teardrop - 925,
£11.99
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925 sterling silver round - 925,
£10.99
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316l surgical steel synthetic - 316l,
£2.89
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Earrings vintage 925 - vintage,
£12.00
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Pin shaped nose - -shaped, with
£3.49
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Synthetic black opal oval - synthetic,
£3.00
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Shimmering multicolour milky - shimmering,
£10.80
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Synthetic opal and zircon 9ct - and,
£300.00
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Crushed opal for - crushed, 0.5-1mm
£70.15
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925 sterling silver - , size
£14.01
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Vintage dainty sterling silver - sterling,
£16.95
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White synthetic opal oval - synthetic,
£5.89
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Multi lavender synthetic - synthetic, opal
£8.95
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Aqua opal shimmering 4mm - aqua,
£10.79
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Sol sea synthetic opal 9ct - sea,
£16.15
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White synthetic lab created - white,
£44.98
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316l steel synthetic - steel,
£3.49
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Opal 5pc brush - opal,
£6.52
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925 sterling silver classic - 925,
£17.21
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Sky blue synthetic - blue,
£170.26
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925 solid silver synthetic - solid,
£25.00
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925 silver and - silver,
£39.00
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Black beaded necklace with - black,
£12.94
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925 sterling silver - sterling,
£25.39
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Crushed opal coarse gemstone - opal,
£58.57
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Beautiful purple synthetic - beautiful,
£19.36
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925 sterling silver - sterling,
£9.95
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White synthetic opal oval - synthetic,
£5.33
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925 sterling silver synthetic - 925,
£21.99
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925 sterling silver lab blue - silver,
£27.99
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Floating opal pendant handmade - opal,
£136.62
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Opal drop earrings solid - opal,
£27.99
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Synthetic opal round - synthetic,
£70.91
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Cts synthetic opal pear - cts,
£44.32
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Opal nose stud shaped with - opal,
£3.70
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Light blue synthetic - light,
£5.33
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Opal belly bars glitter hand - opal,
£2.49
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925 sterling silver halo - silver,
£21.50
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Electric blue synthetic opal - blue,
£5.99
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Sterling silver 925 brand - silver,
£20.50
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Dark blue synthetic opal - dark,
£5.33
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Glitter opal tongue bar - glitter,
£2.89
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Vintage art deco style - vintage,
£4.37
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Pair implant grade - **implant,
£7.59
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Opal blue green - green, shimmering
£10.79
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925 sterling silver sparkling - silver,
£44.99
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Greek key opal - key, bracelet
£15.99
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New surgical steel synthetic - surgical,
£5.25
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White lab created synthetic - white,
£32.50
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Opal nose stud - stud, round
£4.99
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Beautiful ladies synthetic - ladies,
£7.59
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Sky blue synthetic lab - sky,
£19.04
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925 sterling silver flower - sterling,
£11.99
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Sterling silver synthetic - sterling,
£26.00
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Sterling silver 925 - ,, cubic
£17.22
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Opal nose stud - screw, twist
£3.99
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Mexico 925 silver fire - 925,
£23.58
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Vintage kite shape synthetic - kite,
£59.00
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White synthetic lab - lab, created
£170.26
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316l surgical steel synthetic - steel,
£2.49
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Attractive synthetic opal 925 - attractive,
£26.70
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Sterling silver synthetic - sterling,
£20.00
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6mm round lab created white - round,
£14.97
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Synthetic white opal and - opal,
£10.80
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Glitter opal tongue bar - opal,
£3.29
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925 sterling silver hamsa - sterling, hand
£6.95
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Red lab created - red, synthetic
£62.87
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925 sterling silver mint green - sterling,
£11.95
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925 sterling silver - 925, lab
£27.99
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Sterling silver synthetic - silver, &
£29.81
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Seller faceted light blue - seller!,
£12.89
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4mm round synthetic lab - round, /
£14.97
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Green synthetic opal 925 - green,
£6.95
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Silvego 925 sterling silver - 925,
£19.99
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Light blue synthetic opal oval - light,
£5.89
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Fire black synthetic - synthetic, lab
£42.32
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Large 9ct yellow - , gold
£435.00
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Dainty synthetic opal - opal, 925
£9.95
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Azure blue synthetic - blue,
£17.99
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Lunar glow synthetic opal - glow,
£5.45
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Seller natural gemstone - uk,
£4.99
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Dark blue synthetic opal - blue, oval
£5.89
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Synthetic white opal oval - synthetic,
£10.80
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Opal synthetic oval cabochon - opal,
£6.66
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Blue synthetic lab - synthetic,
£30.19
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316l surgical steel synthetic - surgical,
£2.49
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Crushed opal for inlay - crushed, mm
£167.05
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New 925 sterling silver - new,
£22.99
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Padders loafers opal - opal, womens
£39.95
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Elegant ladies coveted - coveted, choice
£15.08
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Looking for more synthetic opal?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 synthetic opal listings currently in our index. Prices range from £2.49 to £435, with an average of £31.65. 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 synthetic opal →
Try this: tiffany stud earrings | turquoise earrings | unusual earrings | versace earrings | viking 26 | garnet earrings | honora pearls qvc | pink diamonds | diamonds | pandora earrings genuine
Whether you are looking for a brand-new or second-hand synthetic opal, eBay offers one of the largest selections available online. With 96 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 £2.49, while premium listings can reach £435 — giving you a wide budget spread to work with. The average price of £31.65 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.