Harlequin Boulder Opal 14.7 ct
USD $102,900
Rainbow Piano Boulder Opal 45.7 ct
USD $80,500
Rainbow Gem Boulder Opal 23.5 ct
USD $38,845
Top Gem Boulder Opal 80.75 ct
USD $25,105
Gem Rainbow Boulder Opal 37.2 ct
USD $25,105
Gem Rainbow Boulder Opal 55.3 ct
USD $25,000
Crystal Boulder Opal Specimen 106.4 ct
USD $15,700
Gem Boulder Opal Parcel 142.3 ct
USD $13,950
Boulder Opal 37.1 ct
USD $13,324
Blue Green Boulder Opal 23.66 ct
USD $13,300
Neon Crystal Boulder Opal 54.18 ct
USD $13,000
Gem Fire Boulder Opal 30.2 ct
USD $11,900
Green Blue Boulder Opal 71.27 ct
USD $11,155
Gem Green Boulder Opal 13.18 ct
USD $11,000
Bright Blue Boulder Opal 27.79 ct
USD $10,460
Green Blue Boulder Opal 34.99 ct
USD $10,460
Colorful Sparkling Boulder Opal 28.86 ct
USD $10,460
Boulder Opal 28.62 ct
USD $10,357
Boulder Opal 32.86 ct
USD $10,326
Boulder Opal 29.86 ct
USD $10,322
Boulder Opal Pair 22.43 ctw
USD $10,186
Blue Boulder Water Opal 36.13 ct
USD $10,050
Pinfire Pattern Boulder Opal 23.67 ct
USD $9,800
Turquoise Green Boulder Opal 65 ct
USD $9,660
Crystal Boulder Opal Heart 36.28 ct
USD $9,070
Purple Crystal Boulder Opal 31.9 ct
USD $9,000
Pink Orange Boulder Opal 14.52 ct
USD $8,425
Neon Green Boulder Opal 53.83 ct
USD $8,425
Neon Fire Boulder Opal 16.75 ct
USD $8,425
Gem Boulder Water Opal Pair 19.65 ct
USD $8,425
Gem Boulder Opal Specimen 267 ct
USD $8,425
Teardrop Gem Boulder Opal 27.2 ct
USD $8,150
Multi Color Boulder Opal 20.14 ct
USD $7,700
Multi Color Boulder Opal 22.4 ct
USD $6,965
Multi Color Boulder Opal 6.4 ct
USD $6,965
Boulder Opal 25.66 ct
USD $6,964Boulder 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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