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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 #: 20192082
Solid Black Opal
$254.55 AUD (tax free)

ID #: 20084516
Solid Crystal Opal Ring
$722.73 AUD (tax free)

ID #: 20200756
Solid Crystal Opal Ring
$3,668.18 AUD (tax free)

SOLD
ID #: 20053581
Solid Crystal Opal Pendant
$654.55 AUD (tax free)

ID #: 20087296
Solid Crystal Opal Ring
$2,359.09 AUD (tax free)

ID #: 20100216
Solid Crystal Opal Ring
$1,050.00 AUD (tax free)

SOLD
ID #: 20200725
Solid Crystal Opal
$400.00 AUD (tax free)

SOLD
ID #: 20180195x
Solid Crystal Opal Ring
$722.73 AUD (tax free)

ID #: 20200664
Solid White Opal Pendant
$127.27 AUD (tax free)

ID #: 20193485
Solid White Opal Pendant
$213.64 AUD (tax free)

ID #: 20191122v
Doublet Opal Pendant
$290.91 AUD (tax free)

ID #: 20188504
Doublet Opal Pendant
$431.82 AUD (tax free)

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

ID #: 20191122
Doublet Opal Pendant
$290.91 AUD (tax free)

ID #: 20191122x
Doublet Opal Pendant
$290.91 AUD (tax free)