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Semi-Black Opals

Also known as dark opal and grey opal, semi-black opal refers to opals which have a darker body tone than white opals, yet are not quite dark enough to be classified as black opals. The body tone of these stones falls in either the N5 or N6 category in the above tone chart diagram. Semi black opals are found mostly at Lightning Ridge, however they have also been found at Mintabie in South Australia. To give a rough idea, top quality semi-black opal can fetch prices up to $3,500 per carat.

Examples of Semi-Black Opal

Current black opal stock

Here's a sample of the latest black opals currently available in our Australian opal catalogue:

Shop the latest from our range of Opals


ID #: 20208455
Doublet Opal Pendant
$1,068.18 AUD (tax free)

ID #: 20214302
Solid Boulder Opal
$2,704.55 AUD (tax free)

ID #: 20157678x
Doublet Opal Pendant
$477.27 AUD (tax free)

SOLD
ID #: 13062019
Solid Boulder Opal Ring
$9,718.18 AUD (tax free)

ID #: 20214296
Solid Boulder Opal Earrings
$654.55 AUD (tax free)

ID #: 20214289
Solid Boulder Opal Earrings
$900.00 AUD (tax free)

ID #: 20139452
Doublet Opal Pendant
$450.00 AUD (tax free)

ID #: 20191139
Doublet Opal Pendant
$363.64 AUD (tax free)

ID #: 20175146
Doublet Opal Pendant
$581.82 AUD (tax free)

ID #: 20182532
Doublet Opal Pendant
$404.55 AUD (tax free)

ID #: 20213749
Solid Crystal Opal
$1,131.82 AUD (tax free)

ID #: 20213992
Doublet Opal Watch
$262.73 AUD (tax free)

ID #: 20206802
Doublet Opal Watch
$408.18 AUD (tax free)

ID #: 20213930
Solid Boulder Opal Ring
$1,581.82 AUD (tax free)

ID #: 20214081
Solid Crystal Opal Earrings
$2,713.64 AUD (tax free)