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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 #: 20199937
Solid Boulder Opal Pendant
$581.82 AUD (tax free)

ID #: 20199944
Solid Boulder Opal Ring
$1,268.18 AUD (tax free)

ID #: 20199869
Solid Crystal Opal Ring
$904.55 AUD (tax free)

ID #: 20199852
Solid White Opal Ring
$1,268.18 AUD (tax free)

ID #: 20194291
Solid Boulder Opal Pendant
$1,909.09 AUD (tax free)

ID #: 20194307
Solid White Opal Pendant
$2,177.27 AUD (tax free)

ID #: 20194260
Solid White Opal Pendant
$2,418.18 AUD (tax free)

SOLD
ID #: 20186760
Solid Boulder Opal Pendant
$177.27 AUD (tax free)

ID #: 20186210
Solid Boulder Opal Pendant
$600.00 AUD (tax free)

ID #: 20185879
Solid Boulder Opal Pendant
$722.73 AUD (tax free)

ID #: 20186609
Solid Boulder Opal Pendant
$204.55 AUD (tax free)

ID #: 20194376
Solid Boulder Opal Pendant
$1,204.55 AUD (tax free)

ID #: 20143404
Solid Crystal Opal Pendant
$890.91 AUD (tax free)
$445.45 AUD (tax free)

ID #: 20142605
Solid Black Opal Ring
$1,500.00 AUD (tax free)
$750.00 AUD (tax free)

ID #: 20142582
Solid Black Opal Ring
$1,500.00 AUD (tax free)
$750.00 AUD (tax free)