139 products
139 products
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Black opal 3.46ct (blk5914)
$18,000.00 AUD
Unit price perBlack opal 3.46ct (blk5914)
$18,000.00 AUD
Unit price perThis black opal is a highly sort rare piece of australian opal with blocks of red and green colourings
black opal carat weight 3.46ct
dimensions 14.5mm by 9.7mm
this opal has been mined at Lightning ridge in NSW
it comes presented in a gem stone box

Black Opal 4.28ct
$770.00 AUD
Unit price perBlack Opal 4.28ct
$770.00 AUD
Unit price perSolid Boulder Opal Stone
4.28 ct in size
Dimensions 8mm(w) x 16.5mm(h)
Comes beautifully presented in a gemstone box


Black Opal Stone (Sol50)
$4,000.00 AUD
Unit price perBlack Opal Stone (Sol50)
$4,000.00 AUD
Unit price per

Black Opal Stone (Sol51)
$5,250.00 AUD
Unit price perBlack Opal Stone (Sol51)
$5,250.00 AUD
Unit price per

Black Opal Stone (Sol53)
$1,710.00 AUD
Unit price perBlack Opal Stone (Sol53)
$1,710.00 AUD
Unit price per

Black Opal Stone (Sol54)
$1,890.00 AUD
Unit price perBlack Opal Stone (Sol54)
$1,890.00 AUD
Unit price per

Black Opal Stone (Sol55)
$1,910.00 AUD
Unit price perBlack Opal Stone (Sol55)
$1,910.00 AUD
Unit price per

Black Opal Stone 1.35ct
$1,620.00 AUD
Unit price perBlack Opal Stone 1.35ct
$1,620.00 AUD
Unit price perSolid Black opal stone
This opal has been mined at Lightning Ridge in NSW
1.35 ct in size
dimensions 7.5mm x 13mm
Comes beautifully presented in a gemstone box


Black Opal Stones (Sol56)
$800.00 AUD
Unit price perBlack Opal Stones (Sol56)
$800.00 AUD
Unit price per
Doublet Opal (10x 28)
$147.00 AUD
Unit price perDoublet Opal (10x 28)
$147.00 AUD
Unit price per
Doublet Opal (10x 29)
$147.00 AUD
Unit price perDoublet Opal (10x 29)
$147.00 AUD
Unit price per
Doublet Opal (10x28)
$147.00 AUD
Unit price perDoublet Opal (10x28)
$147.00 AUD
Unit price perChoose from a Wide Range of Quality Opal Stones
If you’re looking for the perfect opal stone to craft into a beautiful piece of jewellery, Johnston Opals has the best selection for you to choose from online and in-store. Whether you love the look of white opals or you prefer the striking appearance of a Coober Pedy fire opal or a Lightning Ridge black opal, we have opal stones available to suit all preferences.
Available in solid opal and doublet opal options, our range of opal stones includes:
- Queensland boulder opals
- Lightning Ridge black opals
- White solid opals
- Opal pairs
- Opal stones with green
- Coober Pedy solid fire opals
- And more