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Boulder Opal Stones

$0-$100

$101-$300

$301-$500

$501+

Showing 1–96 of 217 results

XX380A

xx380b

Full Faced Gem Rainbow Duck Creek Boulder Opal 55.3 Ct

$25,000 USD

LR33a

LR33b

Beautiful A+ Grade Freeform Full Faced Australian Boulder Opal 54.20 Ct

$13,550 USD

LR34a

LR34b

Gorgeous A+ Grade Full Faced Australian Boulder Opal 59.90 Ct

$11,980 USD

LR36b

LR36E

Lovely Gem Grade Full Faced Australian Boulder Opal 60.90 Ct

$9,150 USD

MM312N

MM312B

Large Double Sided Wood Fossil Boulder Opal Specimen 214.9 Ct

$3,500 USD

MM313AN

MM313C

Large Wood Fossil Boulder Opal Specimen 141.20 Ct

$1,750 USD

ss47 1

ss47a 1

Amazing Large Boulder Opal Specimen 145 Ct

$1,600 USD

XX598

XX598a

Stunning Gem Ocean Reef Boulder Opal Teardrop 15.7 carat

$1,500 USD

SS51N

SS51A

Massive Stunning Ocean Boulder Opal Specimen 286.30 Ct

$1,200 USD

120.55 Carats Rare Wood Fossil Boulder Opal

Rare Wood Fossil Boulder Opal 120.55 Ct

$1,200 USD

MM114 900x900 1

MM114B

Stunning Boulder Opal Ringstone 6.85 ct

$1,200 USD

XX599

XX599a

Spectacular Purple Wood Fossil Boulder Opal 20.6 carat

$1,000 USD

XX601

XX601a

Gorgeous Flashy Green Boulder Opal Teardrop 11.45 carat

$900 USD

SS129cN

SS129b

Green Pendant Size Boulder Opal 54.55 Carats

$900 USD

MM184DN

MM184A

Wood Fossil Boulder Opal 113.85 Ct

$825 USD

MM84aN

MM84c

Beautiful Bright Blue Polished Yowah Nut 52.7 Ct

$800 USD

XX600

XX600a

Elegant Purple Rectangle Shape Gem Boulder Opal 24 carat

$795 USD

MM186N

MM186A

Rare Wood Fossil Boulder Opal 58.05 Ct

$725 USD

SK94

SK94 4

Large Square Shape Electric Rainbow Flash Wood Fossil Boulder Opal 63.5 ct

$685 USD

Large Koroit Pendant Size Stripe Pattern Boulder Opal Stone 87 ct

SK260 4

Large Koroit Pendant Size Stripe Pattern Boulder Opal Stone 87 ct

$650 USD

SK123

SK123 5

Purple Australian Boulder Opal 25.5 ct

$650 USD

SS245 1N

SS245 5

Deep Blue Ocean Winton Boulder Opal

$568 USD

SS250 1N

SS250 6

Pretty Purple Dark Ironstone Winton Boulder Opal

$560 USD

Unique Long Teardrop Shape Koroit Boulder Matrix Opal Pendant Stone 71 ct

SK265 5

Unique Long Teardrop Shape Koroit Boulder Matrix Opal Pendant Stone 71 ct

$525 USD

SS253 1N

SS253 2

Stripey Flash Winton Boulder Opal

$525 USD

SS240 1N

SS240 2

Supernatural Purple 3D Effect Winton Boulder Opal

$525 USD

SS152 1

SS152 9

Purple Green Blue Boulder Opal 10.7 Ct

$525 USD

45.2 Carat Gorgeous Stripe Boulder Opal

SS48F

Gorgeous Stripe Boulder Opal 45.2 Ct

$520 USD

SK124

SK124 5

Ocean Blue Green Australian Boulder Opal 5.35 ct

$500 USD

SK67 1

SK67 4

Lilac Square Shape Australian Boulder Opal 61.5 Ct

$500 USD

XX166

Large Surf Board Ocean Boulder Opal 29 ct

$500 USD

XX1622

Beautiful Turquoise Green Shimmer Boulder Opal 14 ct

$490 USD

XX152

Awesome Large Blue Purple Boulder Opal 37 ct

$450 USD

XX151

Phenomenal Purple Dark Ironstone Boulder Opal

$435 USD

SS290 1N

SS290 5

Awesome Green Flash Winton Boulder Opal

$425 USD

SS162N

Electric Purple Large Boulder Opal

$425 USD

Rainbow Sparkling Large Semi Teardrop Shape Australian Boulder Opal 131 ct

SK216 5

Rainbow Sparkling Large Semi Teardrop Shape Australian Boulder Opal 131 ct

$400 USD

SK70 1

SK70 5

Rectangle Shape Blue Purple Australian Boulder Opal 43.3 ct

$400 USD

SS239 1N

SS239 5

Gorgeous Lavender Purple Winton Boulder Opal

$395 USD

SK133 1

SK133 4

Green Flash Blue Australian Boulder Opal loose stone 14.8 ct

$380 USD

SK119

SK119 4

Gorgeous Blue Green Australian Boulder Opal 17.3 ct

$380 USD

SK114

SK114 f

6 pcs Sparkling Rainbow Rectangle Shape Flashy Wood Fossil Australian Boulder Opal Parcel 25.2 ct

$375 USD

SK7

SK7 5

Deep Purple Triangle Shape Winton Boulder Opal 37.95 ct

$370 USD

SK301 1

SK301 4

57 ct Natural Solid Boulder Opal from Koroit Queensland Australia

$365 USD

SK27 1

SK27 3

Blue Green Boulder Opal 40 ct

$365 USD

Large Free Form Yowah Boulder Opal Specimen 120.5 ct

$350 USD

SK139 1

SK139 4

Diamond shape Australian Boulder Opal 25.7 ct

$350 USD

SK122 1

SK122 5

Gorgeous Blue Green Deep Ocean Australian Boulder Opal 11.7 ct

$350 USD

SK96

SK96 4

Sparkling Rainbow Wood Fossil Boulder Opal 28.6 ct

$350 USD

SK86

SK86 3

Large Green Blue Flash Insane Veins Yowah Boulder Opal Specimen 112 ct

$350 USD

SK66 1

SK66 5

Gorgeous Ocean Boulder Opal from Australia 68 Ct

$350 USD

SS30N

SS30B

Natural Solid Boulder Opal Stone 37.9 Ct

$350 USD

SS196 1N

SS196 3

Large Rectangular Shape Boulder Opal

$345 USD

SS88N

SS88H

Brilliant Multi Color Flash Boulder Opal 9.25 Ct

$345 USD

SS194 1

SS194 6

Large Blue Rectangle Shape Boulder Opal

$335 USD

SK150

SK150 4

Beautiful Shiny Stripes Australian Boulder Opal 10 ct

$325 USD

SS270 1N

SS270 7

Elegant Colored Winton Boulder Opal

$325 USD

SS207 1N

SS207 7

Cute 3D effect Boulder Opal

$325 USD

SS198 1N

SS198 4

Stunning Green and Purple Flash 3D Effect Boulder Opal Ringstone

$325 USD

SS160 1N

SS160 2

Awesome Rainbow Stripe Large Boulder Opal 27.65 Ct

$325 USD

MM259N

MM259A

Gorgeous Triangular Wood Replacement Boulder Opal Stone

$325 USD

Large Oval Shape Yowah Boulder Opal Specimen 84.7 ct

$300 USD

SK165

SK165 4

Gorgeous Purple Flash Australian Boulder Opal 32.35 ct

$300 USD

SK113

SK113 4

3 pcs Sparkling Rainbow Flash Wood Fossil Australian Boulder Opal Parcel 25.5 ct

$300 USD

SK50 1

SK50 4

Unique Wood Fossil Boulder Opal 35.3 ct

$300 USD

SK34 1

SK34 4

Green Pink Fang Shape Boulder Opal 25.8 ct

$300 USD

MM345N

MM345C

Gem Neon Bright Stunning Boulder Opal 4 Ct

$300 USD

SK306 1

SK306 4

Large Opal 72 ct Natural Solid Boulder Opal from Koroit Queensland Australia

$295 USD

Unique Turtle Skin Pattern Teardrop Koroit Boulder Opal 112ct

SK266 4

Unique Turtle Skin Pattern Teardrop Koroit Boulder Opal 112ct

$295 USD

Deep Blue Free Form Australian Boulder Opal Stone 11.7 ct

$295 USD

Australian Boulder Opal Square Shape Loose Stone 34 ct

$295 USD

Deep Purple Blue with Green Sparkle Australian Boulder Opal 10.2 ct

$295 USD

Blue Green Australian Boulder Opal Free Form Stone 20.6 ct

$295 USD

Beautiful Multi color Australian Boulder Opal 14.8 ct

$295 USD

SK59 1

SK59 4

Unique Koroit Matrix Austrlaian Boulder Opal 59 Ct

$295 USD

SK52 2

SK52 3

Electric Green Purple Veins Matrix Boulder Opal 15 ct

$295 USD

SK33 1

SK33 4

Large Green Boulder Opal 33 ct

$295 USD

SK103

SK103 4

Double sided Rainbow Flash Wood Fossil Boulder Opal TearDrop shape 13.2 ct

$290 USD

SK8

SK8 1

Blue Purple Boulder Opal Pendant Stone 63.9 ct

$285 USD

XX156

Blue Purple Boulder Opal 21 ct

$285 USD

SS228 1

SS228 3

Rainbow Stripe Pendant Size Winton Boulder Opal

$285 USD

SK309 4

SK309 2

Large Opal 96 ct Natural Solid Boulder Opal from Koroit Queensland Australia

$280 USD

SS230 1N

SS230 6

Large Beach Vibes Boulder Opal 55.35 ct

$280 USD

SK291 1

SK291 4

Freeform Opal 32 ct Natural Solid Boulder Opal from Koroit Queensland Australia

$275 USD

SK224

Sparkling Green Free Form Australian Boulder Opal Stone 13.3 ct

$265 USD

SK 92

SK92 3

Electric Flash Australian Wood Fossil Boulder Opal loose stone 17.25 ct

$265 USD

SS226 1

SS226 2

Beautiful Colored Pendant Size Winton Boulder Opal 46 ct

$260 USD

SK137

SK137 4

Green Blue Flash Egg Shape Australian Boulder Opal 27 ct

$260 USD

SS136 1N

SS136 8

Gorgeous Ocean Stripe Boulder Opal 25.3 Carats

$255 USD

Unique Pattern Koroit Boulder Opal Pendant Stone 68 ct

SK262 4

Unique Pattern Koroit Boulder Opal Pendant Stone 68 ct

$250 USD

Large Blue Purple Green Veins Freeform Australian Boulder Opal 56 ct

SK257 4

Large Blue Purple Green Veins Freeform Australian Boulder Opal 56 ct

$250 USD

Awesome Green Blue Purple Vein Boulder Opal Ideal for Pendant 89 ct

SK255 4

Awesome Green Blue Purple Vein Boulder Opal Ideal for Pendant 89 ct

$250 USD

Huge Green Flash Half Moon Shape Australian Boulder Opal 120 ct

SK210 4

Huge Green Flash Half Moon Shape Australian Boulder Opal 120 ct

$250 USD

Green Purple Gradation Free form Australian Boulder Opal 9 ct

$250 USD

Deep Purple Blue Australian Boulder Opal 12.45 ct

$250 USD

Large Free Form Blue Green Veins Yowah Boulder Opal Specimen 47 ct

$250 USD

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