For Sale UK

Boulder opal

4

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Home / Rings / Boulder opal refurbished & used for sale | For Sale UK
925 sterling silver - 925,

925 sterling silver - 925,

£159.40
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Koroit boulder opal 4ct - opal, 8.4ct

Koroit boulder opal 4ct - opal, 8.4ct

£56.86
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9ct gold australian - 9ct,

9ct gold australian - 9ct,

£156.70
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Australian boulder opal matrix - australian,

Australian boulder opal matrix - australian,

£122.38
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Nice drilled boulder - 4,

Nice drilled boulder - 4,

£75.00
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Boulder opal pink - opal, stone

Boulder opal pink - opal, stone

£78.70
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Australian boulder rough - boulder,

Australian boulder rough - boulder,

£21.50
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Raw boulder opal - opal, —

Raw boulder opal - opal, —

£496.78
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Queensland boulder matrix opal

Queensland boulder matrix opal

£26.70
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Australian cts boulder - australian,

Australian cts boulder - australian,

£26.65
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Australian cts boulder opal - australian,

Australian cts boulder opal - australian,

£29.77
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Boulder opal - boulder,

Boulder opal - boulder,

£37.10
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2cts australian boulder - 26.2cts,

2cts australian boulder - 26.2cts,

£19.31
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Boulder opal from australia - opal,

Boulder opal from australia - opal,

£12.95
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Australian queensland boulder - australian,

Australian queensland boulder - australian,

£78.70
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Queensland boulder opal resin - queensland,

Queensland boulder opal resin - queensland,

£104.70
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86cts australian boulder - australian,

86cts australian boulder - australian,

£50.57
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Natural boulder opal polished - boulder,

Natural boulder opal polished - boulder,

£45.00
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Australian boulder opal - australian,

Australian boulder opal - australian,

£10.80
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Australian cts boulder opal - australian,

Australian cts boulder opal - australian,

£26.65
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Australian boulder opal ring - australian,

Australian boulder opal ring - australian,

£78.70
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Queensland boulder opal - queensland,

Queensland boulder opal - queensland,

£198.30
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Lovely little heart shaped - little,

Lovely little heart shaped - little,

£30.00
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Australian cts boulder opal - 28,

Australian cts boulder opal - 28,

£26.65
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155cts australian boulder - 155cts,

155cts australian boulder - 155cts,

£42.25
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Australian cts boulder opal - boulder,

Australian cts boulder opal - boulder,

£29.77
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Australian queensland boulder - australian,

Australian queensland boulder - australian,

£208.70
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Boulder opal large - opal, natural

Boulder opal large - opal, natural

£90.14
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5ct bolder opal cabochon - 9.5ct,

5ct bolder opal cabochon - 9.5ct,

£35.00
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10ct boulder opal cabochon - 10ct,

10ct boulder opal cabochon - 10ct,

£36.00
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Boulder opal quilpie - opal,

Boulder opal quilpie - opal,

£36.00
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Koroit boulder opal rough - boulder,

Koroit boulder opal rough - boulder,

£362.68
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Lapidary australian boulder - australian,

Lapidary australian boulder - australian,

£98.91
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Australian boulder opal - australian,

Australian boulder opal - australian,

£63.10
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Beautiful boulder opal - beautiful,

Beautiful boulder opal - beautiful,

£48.54
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Australian cts boulder opal - australian,

Australian cts boulder opal - australian,

£26.65
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Heart australian made - heart,

Heart australian made - heart,

£121.55
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Australian cts boulder opal - cts,

Australian cts boulder opal - cts,

£26.65
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5ct boulder opal cabochon - 19.5ct,

5ct boulder opal cabochon - 19.5ct,

£39.00
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5ct boulder opal cabochon - 19.5ct,

5ct boulder opal cabochon - 19.5ct,

£36.00
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Sterling silver 7ct natural - sterling,

Sterling silver 7ct natural - sterling,

£40.00
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Australian cts boulder opal - cts,

Australian cts boulder opal - cts,

£26.65
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241cts australian boulder - 241cts,

241cts australian boulder - 241cts,

£50.57
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1cts koroit queensland - 30.1cts,

1cts koroit queensland - 30.1cts,

£52.65
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0cts australian boulder - australian,

0cts australian boulder - australian,

£19.31
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217cts australian boulder - 217cts,

217cts australian boulder - 217cts,

£40.17
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4cts australian boulder - 88.4cts,

4cts australian boulder - 88.4cts,

£21.45
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159cts australian boulder - 159cts,

159cts australian boulder - 159cts,

£42.25
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Australian cts boulder - australian, 11

Australian cts boulder - australian, 11

£24.57
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118cts australian boulder - 118cts,

118cts australian boulder - 118cts,

£50.57
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6cts australian boulder - australian,

6cts australian boulder - australian,

£24.57
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142cts australian boulder - 142cts,

142cts australian boulder - 142cts,

£36.01
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5ct bolder opal cabochon - ,

5ct bolder opal cabochon - ,

£35.00
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511cts large australian - 511cts,

511cts large australian - 511cts,

£28.73
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Boulder opal large - boulder,

Boulder opal large - boulder,

£47.50
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682cts large australian - 682cts,

682cts large australian - 682cts,

£49.53
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Australian queensland boulder - australian,

Australian queensland boulder - australian,

£63.10
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4ctsaustralian yowah - 34.4ctsaustralian,

4ctsaustralian yowah - 34.4ctsaustralian,

£25.61
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5cts australian boulder - 62.5cts,

5cts australian boulder - 62.5cts,

£21.45
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4ctsaustralian yowah - 42.4ctsaustralian,

4ctsaustralian yowah - 42.4ctsaustralian,

£25.61
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Natural australian boulder - australian,

Natural australian boulder - australian,

£154.41
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Rough pipe boulder opals - rough,

Rough pipe boulder opals - rough,

£47.98
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Australian boulder opal 18ct - opal, 5.18ct

Australian boulder opal 18ct - opal, 5.18ct

£191.92
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69cts australian boulder - 69cts,

69cts australian boulder - 69cts,

£50.57
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Sterling silver 5ct natural - silver,

Sterling silver 5ct natural - silver,

£40.00
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Queensland australian boulder - queensland,

Queensland australian boulder - queensland,

£122.28
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Large australian boulder opal - australian,

Large australian boulder opal - australian,

£159.94
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Boulder opal large natural - boulder,

Boulder opal large natural - boulder,

£61.02
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14k boulder opal - boulder,

14k boulder opal - boulder,

£265.25
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Australian boulder opal oval - australian,

Australian boulder opal oval - australian,

£65.18
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102cts australian boulder - 102cts,

102cts australian boulder - 102cts,

£42.25
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1cts australian boulder - australian,

1cts australian boulder - australian,

£16.10
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122 grams australian boulder - ,

122 grams australian boulder - ,

£52.70
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52cts australian boulder - 52cts,

52cts australian boulder - 52cts,

£55.77
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29cts australian yowah boulder - 29cts,

29cts australian yowah boulder - 29cts,

£29.77
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Australian boulder opal with

Australian boulder opal with

£38.97
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Australian cts boulder - australian,

Australian cts boulder - australian,

£28.73
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Queensland natural boulder - queensland,

Queensland natural boulder - queensland,

£19.89
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93cts australian boulder - 93cts,

93cts australian boulder - 93cts,

£50.57
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Australian cts boulder opal - australian,

Australian cts boulder opal - australian,

£28.73
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Australian yowah boulder - yowah, opal

Australian yowah boulder - yowah, opal

£29.77
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Australian boulder opal 58ct - australian, 9.58ct

Australian boulder opal 58ct - australian, 9.58ct

£186.59
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105cts australian boulder - australian,

105cts australian boulder - australian,

£42.25
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2cts australian boulder - 17.2cts,

2cts australian boulder - 17.2cts,

£20.38
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10ct bolder opal - cabochon, from

10ct bolder opal - cabochon, from

£38.00
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Boulder opal gold vermeil - boulder,

Boulder opal gold vermeil - boulder,

£169.86
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178cts queensland boulder opal - queensland,

178cts queensland boulder opal - queensland,

£40.17
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0cts australian boulder opal - boulder,

0cts australian boulder opal - boulder,

£17.17
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103cts australian boulder - 103cts,

103cts australian boulder - 103cts,

£18.24
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Australian boulder opal - boulder,

Australian boulder opal - boulder,

£118.35
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6cts australian boulder - australian,

6cts australian boulder - australian,

£19.31
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80ct solid australian - 38.80ct,

80ct solid australian - 38.80ct,

£1461.11
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108cts queensland boulder - ,

108cts queensland boulder - ,

£52.65
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1cts australian boulder - 19.1cts,

1cts australian boulder - 19.1cts,

£20.38
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65cts quality very - quality, bright

65cts quality very - quality, bright

£130.00
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5ct boulder opal cabochon - boulder,

5ct boulder opal cabochon - boulder,

£35.00
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📊96 listings · from £10.8 · avg £82.47
⚠️ These listings were last updated more than 24 days ago. Search for fresh listings

Browse 96 boulder opal listings currently in our index. Prices range from £10.8 to £1461.11, with an average of £82.47. 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 boulder opal →

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Everything you need to know about boulder opal

Whether you are looking for a brand-new or second-hand boulder 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 £10.8, while premium listings can reach £1461.11 — giving you a wide budget spread to work with. The average price of £82.47 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.

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