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Rainbow Harlequin Boulder Opal 14.7 ct
Rainbow Harlequin Boulder Opal 14.7 ct
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Absolute Gem Rare Harlequin Winton Boulder Opal 14.7 ct

USD $102,900
Top Gem Boulder Opal 23.5 ct
Top Gem Boulder Opal 23.5 ct
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Stunning Rainbow Gem Winton Boulder Opal for Pendant 23.5 ct

USD $38,845
Gem Rainbow Boulder Opal 37.2 ct
Gem Rainbow Boulder Opal 37.2 ct
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Gem Metallic Rainbow Winton Boulder Opal Teardrop 37.2 ct

USD $25,105
Gem Turquoise Blue Green Shimmer Large Boulder Opal 65 ct
Gem Turquoise Blue Green Shimmer Large Boulder Opal 65 ct
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Tiffany Blue Turquoise Full Face Winton Boulder Opal 65 ct

USD $16,250
-40%
Gem Rainbow Boulder Opal 55.3 ct
Gem Rainbow Boulder Opal 55.3 ct
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Gem Rainbow Flash Rare Duck Creek Boulder Opal 55.3 ct

Original price was: USD $25,000.Current price is: USD $15,000.
Boulder Opal 37.1 ct Brilliant Neon Electric Green Blue Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
Boulder Opal 37.1 ct Brilliant Neon Electric Green Blue Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
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Absolute Gem Blue Ocean Queensland Boulder Opal 37.1 ct

USD $13,324
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Deep Blue Ocean Freeform Queensland Boulder Opal 23.66 ct

USD $13,300
Neon Green Fire Top Gem Large Crystal Boulder Opal 54.18 ct
Neon Green Fire Top Gem Large Crystal Boulder Opal 54.18 ct
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Large Rectangle Shape Winton Crystal Boulder Opal 54.18 ct

USD $13,000
Gem Green Blue Boulder Opal 71.27 ct
Gem Green Blue Boulder Opal 71.27 ct
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Long Shape Ocean Blue Queensland Boulder Opal 71.27 ct

USD $11,155
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Ocean Blue Winton Boulder Opal for Pendant 39.22 ct

USD $11,155
-30%
Huge Gem Crystal Boulder Opal 106.4 ct
Huge Gem Crystal Boulder Opal 106.4 ct
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Collectors Gem Winton Crystal Boulder Opal Specimen 106.4 ct

Original price was: USD $15,700.Current price is: USD $10,990.
Green Blue Boulder Opal 27.79 ct
Green Blue Boulder Opal 27.79 ct
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Long Shape Ocean Blue Queensland Boulder Opal 27.79 ct

USD $10,460
Green Blue Boulder Opal 34.99 ct
Green Blue Boulder Opal 34.99 ct
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Green Blue Reef Freeform Queensland Boulder Opal 34.99 ct

USD $10,460
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Multi Color Sparkling Freeform Winton Boulder Opal 28.86 ct

USD $10,460
Boulder Opal 28.62 ct Beautiful Neon Green Blue Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
Boulder Opal 28.62 ct Beautiful Neon Green Blue Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
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Gem Blue Ocean Freeform Queensland Boulder Opal 28.62 ct

USD $10,357
-7%
Boulder Opal 32.86 ct Brilliant Neon Green Blue Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
Boulder Opal 32.86 ct Brilliant Neon Green Blue Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
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Ocean Blue Queensland Boulder Opal ideal Pendant 32.86 ct

Original price was: USD $11,155.Current price is: USD $10,326.
-18%
Boulder Opal 29.86 ct Beautiful Neon Blue Green Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
Boulder Opal 29.86 ct Beautiful Neon Blue Green Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
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Blue Reef Queensland Boulder Opal Pendant Stone 29.86 ct

Original price was: USD $12,515.Current price is: USD $10,322.
Pair Boulder Opal 22.43 ctw Brilliant Blue Fire Boulder Opals. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
Pair Boulder Opal 22.43 ctw Brilliant Blue Fire Boulder Opals. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
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Blue Boulder Opal Set Pair ideal for Pendant 22.43 ctw

USD $10,186
Blue Boulder Water Opal 36.13 ct
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Blue Water Ocean Long Shape Winton Boulder Opal 36.13 ct

USD $10,050
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Pinfire Winton Boulder Opal ideal for Pendant 23.67 ct

USD $9,800
Green Fire Boulder Opal 53.83 ct
Green Fire Boulder Opal 53.83 ct
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Neon Green Queensland Boulder Opal Teardrop 53.83 ct

USD $8,425
Neon Fire Boulder Opal 16.75 ct
Neon Fire Boulder Opal 16.75 ct
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Neon Fire Freeform Queensland Boulder Opal 16.75 ct

USD $8,425
Teardrop Gem Boulder Opal 27.2 ct
Teardrop Gem Boulder Opal 27.2 ct
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Teardrop Gem Winton Boulder Opal ideal for Pendant 27.2 ct

USD $8,150
-30%
Gem Green Boulder Opal 13.18 ct
Gem Green Boulder Opal 13.18 ct
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Absolute Gem Green Freeform Winton Boulder Opal 13.18 ct

Original price was: USD $11,000.Current price is: USD $7,700.
Multi Color Boulder Opal 20.14 ct
Multi Color Boulder Opal 20.14 ct
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Multi Color Freeform Queensland Boulder Opal 20.14 ct

USD $7,700
Wood Fossil Boulder Opal Specimen 91.5 ct
Wood Fossil Boulder Opal Specimen 91.5 ct
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Wood Fossil Queensland Boulder Opal Specimen 91.5 ct

USD $7,700
Multi Color Boulder Opal 6.4 ct
Multi Color Boulder Opal 6.4 ct
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Multi Color Queensland Boulder Opal ideal for Ring 6.4 ct

USD $6,965
Boulder Opal 25.66 ct Beautiful Blue Green Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
Boulder Opal 25.66 ct Beautiful Blue Green Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
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Gem Ocean Blue Winton Boulder Opal ideal Pendant 25.66 ct

USD $6,964
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Green Blue Half Moon Queensland Boulder Opal 12.74 ct

USD $6,700
Boulder Opal 20.01 ct Beautiful Blue Green Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
Boulder Opal 20.01 ct Beautiful Blue Green Fire Boulder Opal. 100% Natural Solid Untreated Genuine Boulder Opal Loose Stone From Winton, Queensland, Australia. Freeform Shape, Well Polished Smooth Surface.
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Blue Purple Long Shape Queensland Boulder Opal 20.01 ct

USD $6,662
-30%
Top Gem Crystal Boulder Opal 36.28 ct
Top Gem Crystal Boulder Opal 36.28 ct
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Crystal Boulder Opal Heart ideal Pendant Stone 36.28 ct

Original price was: USD $9,070.Current price is: USD $6,349.
-30%
Purple Sparkling Crystal Boulder Opal 31.9 ct
Purple Sparkling Crystal Boulder Opal 31.9 ct
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Purple Winton Crystal Boulder Opal for Pendant 31.9 ct

Original price was: USD $9,000.Current price is: USD $6,300.
Green Blue Boulder Opal 14.5 ct
Green Blue Boulder Opal 14.5 ct
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Gem Green Blue Freeform Australian Boulder Opal 14.5 ct

USD $6,275
Blue-green Boulder Opal Pair 28.18 ctw
Blue-green Boulder Opal Pair 28.18 ctw
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Ocean Blue Boulder Opal Jewelers Ring Pendant Set 28.18 ctw

USD $6,135
Top Ocean Boulder Opal 17.4 ct
Top Ocean Boulder Opal 17.4 ct
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Ocean Blue Winton Boulder Opal ideal Pendant Stone 17.4 ct

USD $5,985
Sparkle Gem Boulder Opal 29.7 ct
Sparkle Gem Boulder Opal 29.7 ct
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Sparkling Green Australian Boulder Opal Teardrop 29.7 ct

USD $5,855
Gem Rainbow Boulder Opal 8.51 ct
Gem Rainbow Boulder Opal 8.51 ct
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Gem Rainbow Long Shape Winton Boulder Opal 8.51 ct

USD $5,855
Stripe Boulder Opal 52.5 ct
Stripe Boulder Opal 52.5 ct
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Stripe Freeform Winton Boulder Opal Specimen 52.5 ct

USD $5,800
Multi Color Boulder Opal 15.1 ct
Multi Color Boulder Opal 15.1 ct
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Multi Color Long Shape Queensland Boulder Opal 15.1 ct

USD $5,300
Boulder Opal Matching Set 55.4 ct
Boulder Opal Matching Set 55.4 ct
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Unique Potch Pattern Winton Boulder Opal Pair 55.4 ct

USD $4,980

Boulder Opal

Boulder Opals are mined in the state of Queensland in Australia.
They are precious opals discovered usually inside of large Ironstone formations found in the Earth.
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