137 products
137 products
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2 Solid Boulder Opals 12.76ct (ss1010)
$640.00 AUD
Unit price per2 Solid Boulder Opals 12.76ct (ss1010)
$640.00 AUD
Unit price per
0.77ct Solid Crystal Opals (lso540)
$420.00 AUD
Unit price per0.77ct Solid Crystal Opals (lso540)
$420.00 AUD
Unit price perThis Crystal Opal Weighs 0.77ct and is Shaped as a Freeform Cut.
Measuring in at 4.5mm(w) x 14.5mm(h), This Opal Displays Vibrant Flashes of Blue and Green Play in a Semi-Transparent Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
0.7ct Solid Crystal Opal (LSO550)
$385.00 AUD
Unit price per0.7ct Solid Crystal Opal (LSO550)
$385.00 AUD
Unit price perThis Crystal Opal Weighs 0.7ct and is Shaped as a Oval Cut.
Measuring in at 5mm(w) x 11mm(h), This Opal Displays Vibrant Flashes of Blue and Green Play in a Semi-Transparent Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
1.06ct Solid Crystal Opal
$350.00 AUD
Unit price per1.06ct Solid Crystal Opal
$350.00 AUD
Unit price perThis Crystal Opal Weighs 1.06ct and is Drop Shaped.
Measuring in at 8mm(w) x 11mm(h), This Opal Displays flashes of Fiery Red, Yellow and Mild Green Play with a Semi-Transparent Pale Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
1.15ct Solid Opal Stone (so6874)
$300.00 AUD
Unit price per1.15ct Solid Opal Stone (so6874)
$300.00 AUD
Unit price per1.15ct Solid Opal Stone.
This stone is 10.5mm (h) x 5mm (w).
This pieces comes presented in a gift box.
1.20ct Solid Crystal Opal (so9279)
$420.00 AUD
Unit price per1.20ct Solid Crystal Opal (so9279)
$420.00 AUD
Unit price perThis Crystal Opal Weighs 1.20ct and is Freeform Shaped.
Measuring in at 8mm(w) x 13mm(h), This Opal Displays a Floral Pattern with Flashes of Vibrant Fiery Red, Yellow and Mild Green Play on a Semi-Transparent Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
1.34ct Semi-Black Opal
$385.00 AUD
Unit price per1.34ct Semi-Black Opal
$385.00 AUD
Unit price perThis Semi-Black Opal Weighs 1.34ct and is Oval Shaped.
Measuring in at 5.5mm(w) x 11mm(h), This Opal Displays Mild flashes of Fiery Red, Yellow and Green Play on an Opaque Pale Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
1.69ct solid opal set (so9261)
$840.00 AUD
Unit price per1.69ct solid opal set (so9261)
$840.00 AUD
Unit price perThis set of 1.69ct solid crystal opal stones were mined at Coober Pedy, located in South Australia.
These stones are approximately 6.5mm(w) x 12mm(h) x 2mm(d).
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
1.87ct Solid Crystal Opal
$550.00 AUD
Unit price per1.87ct Solid Crystal Opal
$550.00 AUD
Unit price perThis Crystal Opal Weighs 1.87ct and is Drop Shaped.
Measuring in at 9mm(w) x 12mm(h), This Opal Displays flashes of Vibrant Fiery Red, Yellow and Mild Green Play with a Semi-Transparent Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
1.93ct Twin Solid Marquise Crystal Opal (SO569)
$812.00 AUD
Unit price per1.93ct Twin Solid Marquise Crystal Opal (SO569)
$812.00 AUD
Unit price perThis Pair of Crystal Opals Weighs in total 1.93ct and is Marquise Shaped.
Measuring in at 7mm(w) x 14mm(h), This Opal Displays flashes of Green and Red Play with a Semi-Transparent Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
11.54ct Solid Semi-Black Opal
$805.00 AUD
Unit price per11.54ct Solid Semi-Black Opal
$805.00 AUD
Unit price perThis Semi-Black Opal Weighs 11.54ct and is Oval Shaped.
Measuring in at 16mm(w) x 21mm(h), This Opal Displays mild flashes of Green, Yellow and Red with a Opaque Grey Background.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
12 Solid Opals 9.45ct (ss1006)
$160.00 AUD
Unit price per12 Solid Opals 9.45ct (ss1006)
$160.00 AUD
Unit price perThis set of 12 oval crystal
opals weigh a total of 9.45ct and are approximately 6mm(w) x 8mm(h) .
Mined in Coober Pedy, located in South Australia, these opals display speckles of orange, yellow and green.
All Our Loose Stones Come Packaged in a Display Box
If You Have Any Questions or Would like to Arrange a Setting to be Made for these Stones Please Either Call us During Our Opening Hours, Or Email us Directly on the Contacts Page.
Choose from a Wide Range of Quality Opal Stone Options
If you’re looking for the perfect opal stone to craft into a stunning piece of jewellery, Johnston Opals offers a spectacular selection of genuine Australian opals both online and in-store. Whether you’re drawn to the soft shimmer of white opals, the fiery brilliance of Coober Pedy fire opals or the mysterious depth of Lightning Ridge black opals, we’re sure to have an opal gemstone that matches your vision. We proudly source each opal stone from Australia, ensuring they’re authentic, ethically mined and of the highest quality. Our curated collection includes both solid opals and doublet opals, allowing you to find the right opal gem for any jewellery design.
Available Opal Gem Options
Australia is the world’s leading source of high-quality opal gemstones, producing over 90% of the global supply. Each region in Australia offers its own distinct style of opal gem, from the rich ironstone patterns of Queensland to the fiery brilliance of Coober Pedy and the dramatic contrasts of Lightning Ridge. At Johnston Opals, we’re proud to connect you with the finest examples of this iconic national gem.
Our dazzling inventory includes the following opal gemstone options:
- Queensland Boulder Opals – Queensland boulder opals are one of the most unique and prized types of opal gemstone Australia has to offer. These stunning stones form naturally within ironstone boulders, resulting in captivating patterns and rich earthy tones that contrast beautifully with the vibrant opal crystal veins. Each boulder opal is one-of-a-kind, with brilliant flashes of blue, green and red that shimmer as the stone moves.
- Solid Opals – Our collection of solid opals includes natural stones that haven’t been layered or treated, preserving the full integrity and depth of their colour. Solid opal gemstones are perfect for high-end jewellery thanks to their enduring beauty and natural strength. From pastel-hued white opals to rare black varieties, each solid opal stone we offer is a genuine product of nature.
- Doublet & Triplet Opals – For an affordable yet stunning option, consider our doublet and triplet opals. These layered stones feature a thin slice of vibrant opal backed with other materials to enhance durability and showcase the stone’s natural colours. Triplets include a clear cap that magnifies the opal’s brilliance. These types of opal gems are ideal for earrings, pendants and rings, offering a more accessible way to enjoy the beauty of opals.
- Lightning Ridge Black Opals – Renowned worldwide, Lightning Ridge black opals are among the most sought-after and valuable opals. Their dark body tone makes the colour play incredibly vivid, showcasing an intense spectrum of electric blues, greens, reds and purples. Each black opal crystal is a masterpiece of natural art, perfect for heirloom-quality jewellery.
- White Solid Opals – Delicate and luminous, white solid opals offer a softer alternative to their darker counterparts. Known for their milky base tone and flashes of pastel colour, these opals are classic and elegant. Whether set in gold or silver, white opal gemstones are timeless, making them a popular choice for everyday jewellery and special occasions alike.
- Opal Pairs – Perfectly matched opal pairs are ideal for earrings or other symmetrical designs. These pairs are carefully selected to ensure harmony in size, colour and pattern, allowing for beautifully coordinated pieces. Our experts work diligently to find the perfect complements among our collection.
- Opal Stones with Green – Vibrant green is one of the most desired opal colours, symbolising energy, nature and renewal. Our opal stones with green flashes are particularly captivating, often found in boulder opals and black opals. The interplay of green with other hues creates a magical glow that makes each stone feel alive.
- Coober Pedy Solid Fire Opals – Coober Pedy solid fire opals are famous for their dazzling colour and light. These stones typically feature a lighter body tone, allowing their fiery rainbow hues to shine brilliantly. Hailing from South Australia’s most iconic opal mining region, these opal stones are considered some of the most radiant in the world.
- And More – At Johnston Opals, our collection goes far beyond these popular Australian opal stone varieties. We offer a range of opals with rare colour patterns and unique cuts, with something in our collection to spark every imagination.
Explore Our Range Today
Browse our full range of opal stones online, or visit us in-store to explore these natural treasures in person and find the opal gemstone that’s right for you.