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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 #: 20205027
Solid Semi Black Opal
$2,040.91 AUD (tax free)

ID #: 20205010
Solid White Opal
$627.27 AUD (tax free)

ID #: 20130336v
Solid Crystal Opal Pendant
$204.55 AUD (tax free)

ID #: 20074661t
Triplet Opal Pendant
$150.00 AUD (tax free)

ID #: 20074661r
Triplet Opal Pendant
$150.00 AUD (tax free)

ID #: 20204983
Solid Crystal Opal Earrings
$1,200.00 AUD (tax free)

ID #: 20204853
Solid Black Opal Earrings
$540.91 AUD (tax free)

ID #: 20204860
Solid Black Opal Earrings
$813.64 AUD (tax free)

ID #: 20204990
Solid Black Opal Pendant
$1,804.55 AUD (tax free)

ID #: 20205003
Solid Black Opal Ring
$2,704.55 AUD (tax free)

SOLD
ID #: 20204976
Solid Crystal Opal
$181.82 AUD (tax free)

ID #: 20204754
Solid Black Opal
$972.73 AUD (tax free)

ID #: 20204808
Solid Black Opal
$400.00 AUD (tax free)

ID #: 20204846
Solid Semi Black Opal
$422.73 AUD (tax free)

ID #: 20204655
Solid Black Opal
$450.00 AUD (tax free)