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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 #: 20194284
Solid Black Opal Pendant
$2,009.09 AUD (tax free)

ID #: 20193751
Solid Boulder Opal Earrings
$5,440.91 AUD (tax free)

ID #: 20194253
Solid Boulder Opal Pendant
$2,859.09 AUD (tax free)

ID #: 20193713
Solid Boulder Opal Ring
$4,309.09 AUD (tax free)

ID #: 20193683
Solid Black Opal Ring
$5,177.27 AUD (tax free)

ID #: 20193676
Solid Crystal Opal Ring
$2,095.45 AUD (tax free)

ID #: 20193669
Solid Crystal Opal Ring
$1,722.73 AUD (tax free)

ID #: 20193652
Solid Boulder Opal Ring
$1,345.45 AUD (tax free)

ID #: 20185800
Solid Crystal Opal Earrings
$1,163.64 AUD (tax free)

SOLD
ID #: 22092016
Solid Boulder Opal Pendant
$1,450.00 AUD (tax free)

SOLD
ID #: 20193690
Solid Crystal Opal Ring
$2,309.09 AUD (tax free)

ID #: 20193577
Solid Boulder Opal Pendant
$309.09 AUD (tax free)

ID #: 20193584
Solid Black Opal Pendant
$327.27 AUD (tax free)

SOLD
ID #: 20193591
Solid Black Opal Pendant
$309.09 AUD (tax free)

ID #: 20193607
Solid Black Opal Pendant
$345.45 AUD (tax free)