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Black Boulder Opal


186CT 100% Natural Australian Black Boulder Opal Cab SBOg37

$90.00


Lightning Ridge Black Boulder Opal 1.0cts S7613

$49.99


40.2Ct 100% Natural Australian Black Boulder Opal Cab SBO3358

$9.50


15.4CT 100% Natural Australian Black Boulder Opal Carving Fish

$17.00


51ct Gem Grade Australian Black Boulder Opal ~Bright Multi-color Fire

$24.50


33CT 100% Natural Australian Black Boulder Opal Cab

$35.00


35.5CT 100% Natural Australian Black Boulder Opal Carving Swan

$12.00


Lightning Ridge Semi Black Opal Coober Pedy Australian Boulder Rough 200 Cts

$14.61


Natural Australian Boulder Black Opal - beautiful old stock! 4.75ct

$71.25


Natural Australian Boulder Black Opal - beautiful old stock! 2.80ct

$9.99


Black Boulder Opal Multi color Oval shape 1.10 carats

$1,475.00


16.45 Ct 100% Natural Australian Black Boulder Opal ( ANDAMOOKA)

$290.00


Australian Black Boulder. Picture Opal. The Bay at Twilight

$14,500.00


Black Boulder Opal Multi color Oval shape 2.29 carats

$13,500.00


Black Boulder Opal blue color pear shape 0.64 carats

$165.00


35.7 carat boulder opal on black cord, 37 x 22 x 8mm, bright green fire

$36.62


Black Boulder Opal blue color oval shape 1.11 carats

$240.00


Black Boulder Opal Multi color Oval shape 1.33 carats

$1,147.00


Black Boulder Opal multi color round shape 0.46 carats

$145.00


Black Boulder Opal Multi color Round shape 1.28 carats

$1,090.00


Black Boulder Opal multi color pear shape 0.55 carats

$155.00


Black Boulder Opal multi color pear shape 0.51 carats

$150.00


Black Boulder Opal Multi color Oval shape 3.15 carats

$2,665.00


Black Boulder Opal Multi color Trillion shape 2.40 carats

$1,660.00


Black Boulder Opal blue color pear shape 0.75 carats

$175.00


Black Boulder Opal blue color triangular shape 2.98 carats

$475.00


Black Boulder Opal multi color triangular shape 2.01 carats

$350.00


Black Boulder Opal Darkish Blue color Oval shape 4.63 carats

$1,300.00


Black Boulder Opal Multi color Oval shape 12.91 carats

$11,850.00


Black Boulder Opal Multi color Oval shape 4.18 carats

$3,900.00


Black Boulder Opal Multi color Oval shape 2.49 carats

$1,390.00


Black Boulder Opal Blue color Oval shape 3.15 carats

$916.00


Black Boulder Opal multi color pear shape 0.41 carats

$140.00


Black Boulder Opal multi color pear shape 0.32 carats

$130.00


Black Boulder Opal multi color round shape 0.38 carats

$140.00


Black Boulder Opal multi color oval shape 0.54 carats

$155.00


Black Boulder Opal multi color pear shape 0.48 carats

$150.00


Black Boulder Opal multi color pear shape 0.52 carats

$150.00


Black Boulder Opal multi color pear shape 0.87 carats

$185.00


Black Boulder Opal blue color oval shape 2.45 carats

$405.00


Black Boulder Opal multi color oval shape 0.49 carats

$150.00


Natural Australian Boulder Black Opal - beautiful old stock! 3.55ct

$9.99


Black Boulder Opal Multi color Pear shape 7.71 carats

$6,000.00