Australian Loose Gemstones
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Place of Origin: Australian
Natural 20.94 Ct Australian rainbow boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 20.94 Ct Australian boulder opal was mined by Sue Cooper at her Russells opal mine in western Queensland, Australia in 2020. Sue processed the rough opal herself and c...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 9.47 Ct Australian crystal conch-shell opal carving mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 9.47 Ct Australian gem crystal opal, carved into a conch shell, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupled wit...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 11.94 Ct Australian Crystal Nautilus opal carving mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 11.94 Ct Australian gem crystal opal, carved into a nautilus shell, is a truly exceptional addition to any collection, mined by Sue...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 8.68 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 8.68 Ct Australian boulder opal was mined by Sue Cooper at her Mt. Margaret opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself an...
Category
2010s Australian Loose Gemstones
Materials
Opal
6.39ct Freeform Gray Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number: 5234220342
Shape: NONE
Cutting Style:
Cutting Style: Crown:
Cutting Style: Pavilion:
...
Category
2010s Australian Loose Gemstones
Materials
Opal
8.01ct Freeform Gray Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal
The GIA report reads as follows:
GIA Report Number: 2239220404
Shape: NONE
Cutting Style:
Cutting Style: Crown:
Cutting Style: Pavilion:
...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 4.98 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 4.98 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cut ...
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
Natural 1.78 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This stunning Ct Australian boulder opal was mined by Sue Cooper at her Russells opal mine in western Queensland, Australia in 2023. Sue processed the rough opal herself and cut into...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 2.75 Ct Australian green and pink black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 2.75 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and cut ...
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
Natural 4.26 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 4.26 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and cut int...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 3.33 Ct Crystal Australian Opal Carved Opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 3.33 Ct Australian wood replacement opal was mined by Sue Cooper at her Russells opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herse...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 2.85 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This gorgeous 2.85 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself and cut i...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 12.54 Ct Australian heart boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 12.54 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cut...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 4.37 Ct Gem Boulder Opal pair mined by Sue Cooper
Located in BELCONNEN, ACT
Introducing our exquisite narrow rectangle black boulder pair! This rare 3.37 Ct Australian black boulder opal pair was mined by Sue Cooper at her Yaraka opal mine in western Queens...
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
Natural 4.38 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 4.38 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2023. Sue processed the rough opal herself and cut ...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 7.66 Ct Australian green and pink boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 7.66 Ct Australian boulder opal was mined by Sue Cooper at her Mt. Margaret opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself an...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 4.88 Ct Crystal Shell Australian opal pair mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 4.88 Ct Australian gem crystal opal pair, carved into shells, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupled with ...
Category
2010s Australian Loose Gemstones
Materials
Opal, Crystal
Natural 5.53 Ct Australian Gem Opal Crystal Butterfly Wings mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 5.53 Ct natural Australian gem crystal opal, carved into a pair of butterfly wings, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 12.35 Ct Australian Crystal Carved Butterfly wings mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 12.35 Ct natural Australian gem crystal opal, carved into a pair of butterfly wings, is a truly exceptional addition to any collection, mined by Sue Cooper herself. It...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 4.14 Ct Australian heart boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 4.14 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cut int...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 3.66 Ct Australian Gem Crystal Angel Wings Opal mined by Sue Cooper
Located in BELCONNEN, ACT
This 3.66 Ct natural Australian gem crystal opal, carved into a pair of angel wings, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupl...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural solid 4.92 Ct Gem Crystal Angel Wings Opal mined by Sue Cooper
Located in BELCONNEN, ACT
This 4.92 Ct natural Australian gem crystal opal, carved into a pair of angel wings, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupl...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 9.59 Ct rainbow Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 7.66 Ct Australian boulder opal was mined by Sue Cooper at her Mt. Margaret opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself an...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 13.54 Ct carved Boulder Opal butterfly wings mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 13.54 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough boulder opal herself...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 3.53 Australian pink and green boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 3.53 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself and cut int...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 56.64 Ct Australian matrix boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 56.64 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and cut into into an large oval shape. We especially love the bright rainbow colours popping out from the host rock.
The opal's size of 37.5 x 23 mm also make it perfect to wear as either a pendant piece or very large statement...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 9.42 Ct Australian light pastel boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 9.42 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself and cut int...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 6.07 Ct Australian Gem Crystal Angel Wings Opal mined Sue Cooper
Located in BELCONNEN, ACT
This beautiful 12.35 Ct natural Australian gem crystal opal, carved into a pair of angel wings, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its ra...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 5.10 Ct Australian Opal Crystal Butterfly Wings mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 5.10 Ct natural Australian crystal opal, carved into a pair of butterfly wings, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 20.08 Ct Carved Boulder Opal Butterfly Wings mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 20.08 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough boulder opal herself...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 5.59 Ct Carved Fossilised Opal carved Flower mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 5.95 Ct Australian crystal opal, carved into a flower, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupled with the ama...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 17.99 Ct Australian stripy green-blue boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This amazing 17.99 Ct Australian boulder opal was mined by Sue Cooper at her Mt. Margaret opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself and...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 9.35 Ct Carved Crystal Australian Opal Scarab mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 9.35 Ct Australian crystal opal was mined by Sue Cooper at her Russells opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and se...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 7.61 Ct Australian carved flower opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 7.61 Ct Australian wood replacement opal was mined by Sue Cooper at her Russells opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herse...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 5.24 Ct Australian pink boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 5.24 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cut int...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 9.36 Ct Australian wood replacement opal heart mined by Sue Cooper
Located in BELCONNEN, ACT
This brilliant 9.36 Ct wood replacement opal, carved into a heart, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupled with its modern...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 12.61 Ct Australian green-blue black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This rare 12.61 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cu...
Category
2010s Australian Loose Gemstones
Materials
Black Opal, Opal
Natural 20.39 Ct Australian kite-shaped boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This unique 20.39 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2020. Sue processed the rough opal herself and cut in...
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
Natural 23.20 Ct large teardrop boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 23.20 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cut...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural solid 21.67 Ct Crystal Starfish Australian Opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 21.67 Ct Australian gem crystal opal, carved into a large starfish, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupled...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 11.52 Ct Australian rainbow boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 11.52 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in Western Queensland, Australia in 2021. Sue processed the rough opal herself and cut...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural Australian Opal GRS 3.53 ct
Located in Bangkok, TH
Introducing an exquisite marvel of nature: the Natural Australian Opal, ablaze with the fire of the heavens! This majestic collector's item, GRS certified and originating from the la...
Category
15th Century and Earlier Antique Australian Loose Gemstones
Materials
Opal
Natural 4.40 Ct Gem Grade Black Boulder Opal Heart mined by Sue Cooper
Located in BELCONNEN, ACT
Introducing our exquisite black boulder heart opal! This rare 4.40 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia i...
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
Natural 5.89 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This amazing 5.89 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2023. Sue processed the rough opal herself and ...
Category
2010s Australian Loose Gemstones
Materials
Black Opal, Opal
Natural 8.30 Ct Australian pastel boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 8.30 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and cut int...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 4.28 Ct Australian stripy circle boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This stunning 4.28 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2023. Sue processed the rough opal herself and cut i...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 4.15 Ct Australian pastel boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 4.15 Ct Australian boulder opal was mined by Sue Cooper at her Russells opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself and cut i...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 4.95 Ct Wood Replacement Cloud Boulder Opal mined by Sue Cooper
Located in BELCONNEN, ACT
This pretty two-tone 4.95 Ct wood replacement opal, carved into a cloud, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupled with its ...
Category
2010s Australian Loose Gemstones
Materials
Crystal, Opal
Natural 13.31 Ct Austalian Boulder Oval Opal mined by Sue Cooper
Located in BELCONNEN, ACT
Discover the mesmerising beauty of this exquisite 13.31 Ct Australian Boulder oval opal, mined by Sue Cooper from her Mt. Margaret opal mine in Western Queensland, Australia.
This...
Category
2010s Australian Loose Gemstones
Materials
Opal
Natural 6.27 Ct Wood Replacement Australian Opal Cloud mined by Sue Cooper
Located in BELCONNEN, ACT
This brilliant purple 4.95 Ct wood replacement opal, carved into a cloud, is a truly exceptional addition to any collection, mined by Sue Cooper herself. Its rarity, coupled with its...
Category
2010s Australian Loose Gemstones
Materials
Opal
Superb Australian Loose Solid Type 1 Black Opal of 9.20ct. Lightning Ridge. GSL.
Located in MELBOURNE, AU
This magnificent Australian Black Opal is
from Lightning Ridge, NSW
It's of impressive & rarely encountered size:
9.20ct (17.13mm x 11.36mm x 7.41mm)
It's Natural, of type 1,
me...
Category
Early 2000s Australian Loose Gemstones
Materials
Opal, Black Opal
"Kimberley Heart" Pink Diamond - 0.34ct 2PP P2 Argye Certified
Located in ADELAIDE, SA
Rare and unique Argyle certified Pink Diamond.
Round Brilliant Pink diamond weight: 0.34ct, colour: 2PP, clarity: P2.
Argyle certificate ID Number: 325803 this is also laser inscribed on the girdle of the diamond.
This diamond also comes with a GIA Coloured diamond report number: 2205642090.
We have named this diamond the “Kimberley Heart” owing to the unique heart-shaped outline formed in the gap between two internal inclusions. The presence of this heart is quite remarkable, we have never seen a diamond quite like this.
Australian pink diamonds...
Category
21st Century and Contemporary Modern Australian Loose Gemstones
Materials
Pink Diamond
Natural Untreated Premium Quality 2.16ct Australian Black Opal
By Renata Bernard
Located in Sydney, AU
Australia is the birthplace of the most beautiful precious opal gemstones in the world. Fine Australian opals mesmerise with colours changing and shifting the gem moves with an unrivalled vibrancy.
This opal was ethically sourced from Lightning Ridge mines in New South Wales. It is perfect for a bespoke ring or pendant. What makes Australian opal jewellery so alluring is that it guarantees that no one else will have the same piece. Each opal gem has a unique range of colours, patterns and colour-play. This particular gem displays a vivid red with a hint of blue and yellow play of colour.
Surprise yourself or your loved ones with this one-of-a-kind opal, a special gift, which can become an amazing piece of jewellery to cherish and admire forever. Opal Minded offers custom opal jewellery design services. On-site and remotely. We can make your opal jewellery dream come true, with a concept developed in partnership and refined by our award-winning Creative Director Renata Bernard.
PARTICULARS:
Size & Stone Measurements:
Opal Length: 10.36mm
Opal Width: 9.07mm
Opal weight: 2.16ct
This unset opal...
Category
2010s Contemporary Australian Loose Gemstones
Materials
Opal, Black Opal
'Black Galaxy' 99.60ct Natural Solid Untreated Australian Black Opal
Located in MAIN BEACH, QLD
This gem opal is an extremely rare South Australian black opal. Rivalling the quality and colour intensity of the best black opals ever mined, this gem is a museum-grade opal. Almost...
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
24.11ct Natural Solid Untreated Black Boulder Opal
Located in MAIN BEACH, QLD
Once-in-a-lifetime gem, this Australian black boulder opal has no equal. With its stunning ribbon pattern of vivid colours, it is a true wonder. Each colour is as bright as the next ...
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
10.32ct Oval Cabochon Cut Loose Australian Opal. Valued at $10000.
Located in MELBOURNE, AU
Magnificent Loose Australian Jelly Opal
of Cabochon Cut
of oval shape
of 10.32ct (26 x 14 x 4mm)
exhibiting great play of colours (blue, green, yellow)
Valued at $10,000.
Category
1980s Vintage Australian Loose Gemstones
Materials
Opal
Magnificent Australian Loose Black Boulder Opal of 5.50ct. 19mm x 12mm x 4mm.
Located in MELBOURNE, AU
This Australian Loose Boulder Opal is
of impressive 5.50ct (19mm x 12mm x 4mm)
from Winton, Queensland
displaying the superb & truly unique spectrum of colours:
from striking Indigo & Sky Blue
to superb vivid Emerald Green
The beauty of this spectacular opal is truly dazzling,
particularly under different lightings: the gem displays the most magnificent spectrum
The gem can be set in precious metals & turned into a piece of jewelry (pendant for example) -
please message us for details!
Australian Boulder opal is the second most valuable type of opal.
Mined from the large ironstone boulders under the ground,
boulder opals are easily recognisable by the layer of solid brown ironstone...
Category
1980s Vintage Australian Loose Gemstones
Materials
Opal
Certified Parti Sapphire 2.25ct
Located in Antwerpen, BE
Sapphires, like Rubies, are a variation from the mineral species corundum, composed of aluminum and oxygen. It is a fascinating gemstone mined in Australia, Burma, Cambodia, Sri Lank...
Category
21st Century and Contemporary Modern Australian Loose Gemstones
Materials
Sapphire
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