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Huge Gem Crystal Boulder Opal 106.4 ct

USD $15,700
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Absolute Gem Multi Color Crystal Boulder Opal 8.78 ct

USD $11,000
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Top Gem Crystal Boulder Opal 36.28 ct

USD $9,070
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Large Rectangle Crystal Boulder Opal 54.2 ct

USD $5,500
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Purple Sparkling Crystal Boulder Opal 31.9 ct

USD $4,800
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Huge Teardrop Crystal Boulder Opal 47.1 ct

USD $4,700
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Crystal Boulder Opal 38.1 ct

USD $4,000
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Top Gem Crystal Boulder Opal 19.37 ct

USD $3,975
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Top Gem Crystal Boulder Opal 13.2 ct

USD $3,960
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Neon Green Blue Crystal Boulder Opal 9.5 ct

USD $3,355
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Blue Fire Crystal Boulder Opal 11.3 ct

USD $3,200
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Large Crystal Boulder Opal 25.1 ct

USD $3,200
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Gem Crystal Boulder Opal 7.6 ct

USD $2,690
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Round Crystal Boulder Opal 13.1 ct

USD $2,600
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Gem Crystal Boulder Opal 20.2 ct

USD $2,020
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Triangle Gem Crystal Boulder Opal 10 ct

USD $2,000