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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 #: 20196332
Doublet Opal Pendant
$1,309.09 AUD (tax free)

ID #: 20144548
Doublet Opal Pendant
$1,631.82 AUD (tax free)

ID #: 20196325
Doublet Opal Pendant
$1,472.73 AUD (tax free)

SOLD
ID #: 05122016
Solid Crystal Opal Pendant
$904.55 AUD (tax free)

SOLD
ID #: 06122016
Solid Black Opal Ring
$2,240.91 AUD (tax free)

SOLD
ID #: 20192112x
Solid Boulder Opal Ring
$2,140.91 AUD (tax free)

ID #: 20196882
Solid Boulder Opal Specimen
$636.36 AUD (tax free)

ID #: 20196868x
Solid Boulder Opal Specimen
$909.09 AUD (tax free)

ID #: 20196868
Solid Boulder Opal Specimen
$909.09 AUD (tax free)

ID #: 20196271
Solid Crystal Opal Earrings
$522.73 AUD (tax free)

ID #: 20047450
Solid Crystal Opal Earrings
$654.55 AUD (tax free)

ID #: 20081430
Solid Crystal Opal Earrings
$813.64 AUD (tax free)

ID #: 20086022
Solid Crystal Opal Earrings
$1,631.82 AUD (tax free)

ID #: 20015916
Solid Crystal Opal Earrings
$654.55 AUD (tax free)

ID #: 20053581
Solid Crystal Opal Pendant
$722.73 AUD (tax free)