Showing 1–40 of 78 results

Round Winton Crystal Boulder Opal for Large Ring 13.1 ct

Original price was: USD $2,600.Current price is: USD $1,820.

Rectangle Shape Rainbow Winton Crystal Boulder Opal 6.4 ct

Original price was: USD $1,920.Current price is: USD $1,536.

Winton Crystal Boulder Opal ideal for Ring or Pendant 10 ct

Original price was: USD $2,000.Current price is: USD $1,400.

Pastel Rainbow Winton Crystal Boulder Opal Teardrop 4.3 ct

Original price was: USD $1,525.Current price is: USD $1,220.

Blue Green Australian Crystal Boulder Opal Ringstone 3.35 ct

Original price was: USD $1,340.Current price is: USD $1,072.

Rainbow Winton Crystal Boulder Opal Ringstone 3.6 ct

Original price was: USD $1,260.Current price is: USD $1,008.

Multi Color Double Sided Crystal Boulder Opal 0.96 ct

Original price was: USD $1,116.Current price is: USD $893.

Radiant Faceted Crystal Opal 3.91 ct

Original price was: USD $975.Current price is: USD $780.

Pink Blue Teardrop Australian Crystal Boulder Opal 1.05 ct

Original price was: USD $892.Current price is: USD $714.

Multi Color Winton Crystal Boulder Opal Ringstone 1.18 ct

Original price was: USD $880.Current price is: USD $704.

Rainbow Winton Sandstone Crystal Boulder Opal 12.7 ct

Original price was: USD $850.Current price is: USD $680.

Multi Color Winton Sandstone Crystal Boulder Opal 13.04 ct

Original price was: USD $850.Current price is: USD $680.

Double Sided Australian Crystal Boulder Opal Ringstone 1.37 ct

Original price was: USD $822.Current price is: USD $658.

Bright Australian Crystal Boulder Opal Ringstone 1.25 ct

Original price was: USD $812.Current price is: USD $650.

Sparkling Rectangle Winton Crystal Boulder Opal 12.47 ct

Original price was: USD $780.Current price is: USD $624.

Winton Crystal Boulder Opal ideal for Ringstone 1.5 ct

Original price was: USD $780.Current price is: USD $624.

Double Sided Teardrop Australian Crystal Boulder Opal 1.19 ct

Original price was: USD $714.Current price is: USD $571.

Double Sided Australian Crystal Boulder Opal Ringstone 1.64 ct

Original price was: USD $660.Current price is: USD $528.

Green Winton Crystal Boulder Opal Ringstone 3.62 ct

Original price was: USD $630.Current price is: USD $504.

Australian Crystal Boulder Opal Teardrop Ringstone 1.75 ct

Original price was: USD $618.Current price is: USD $494.

Blue Australian Crystal Boulder Opal Ringstone 2.06 ct

Original price was: USD $618.Current price is: USD $494.

Double Sided Crystal Boulder Opal Teardrop Ringstone 0.84 ct

Original price was: USD $571.Current price is: USD $457.

Faceted Crystal Opal 1.95 ct

Original price was: USD $538.Current price is: USD $430.

Green Rectangle Winton Crystal Boulder Opal 5.38 ct

Original price was: USD $500.Current price is: USD $400.

Winton Crystal Boulder Opal Pair for Earrings 1.45 ctw

Original price was: USD $485.Current price is: USD $388.

Crystal Boulder Opals


Crystal Boulder Opals are found in Boulder Opal mining, often unintentionally whilst searching for Ironstone Boulder Opals.
They are different to Boulder Opals in that they are found in Sandstone apposed to Ironstone, and often in pockets rather than inside of large boulders that you need to smash open with a sledgehammer.
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