154 Results: New & Used in opal in Australia

Dark Opal 9.9 Carat, Oval Shape, translucent transparency, red multi colour from Lightening Ridge.Comes with valuation

10ct great for rings

3.6ct bright colours

Shining streak of precious green opal showing on main face of rock. A second similar green opal formation showing on adjacent surface. Attractive wood grain-like patterns in the host rock. Traces of potential additional seams to explore. Perfect for cutting to jewellery stones or keep as specimen. High density ironstone host rock mined at Winton opal fields. Weight approximately 67 grams Dimensions approximately 5 x 4 x 3 cm Some photos in outdoor daylight, dry as-mined condition. Some photos w

Red line of precious colour shining out along the main face opal. Paint-like formation of opal steeaks along main face of rock. Opal formation runs along adjacent surface and opposite face. Distinctive white opal line alongside colour opal adds character. Traces of potential additional seams to explore. Great for for cutting to multiple artisan picture stones. Ironstone host rock mined at famous Winton opal fields. Weight approximately 488 grams Dimensions approximately 9 x 7 x 4 cm Some photos

Natural loose Australian opal Weight- 0.31 carats Colour- White with colour play Shape- Octagon cabochon Dimensions- 5.97mm x 4.05mm x 1.88mm

Queensland teardrop boulder opal. A beautiful opal, weighing 7.5 cts and measuring 23mm x 11mm x 3mm, showing mainly blues, greens, and some purple. It's ready for you to have set in a pendant or ring. Please contact me with any questions or to make an offer.

Alstonville nsw Australia boulder opal polished 3.55 ct with all colours.

We are family owned & operated opal mines, currently fourth generation as of 2024. Selling only natural & authentic Australian Opal with respect to the beauty, uniqueness & history of the stone. (Item no: 22-2024) Natural Solid Australian Opal Untreated Region: Lightning Ridge (Grawin Fields), NSW Approx Weight: 1.5 carats Approx Dimensions: 10x8mm Colours: Green, teal, blue, purple

We are family owned & operated opal mines, currently fourth generation as of 2024. Selling only natural & authentic Australian Opal with respect to the beauty, uniqueness & history of the stone. (Item no: 21-2024) Natural Solid Australian Opal Untreated Region: Lightning Ridge (Grawin Fields), NSW Approx Weight: 1.2 carats Approx Dimensions: 8x8mm Colours: Green, teal, pearl, white

HAVE 1 OPAL STONE. found in Coober pedy, nice colours, full bar goes all around, thickness 3 to 5 mm .sell for $10 per carat ,,$ $450 .Ono. have few other stones cut or rough wholesale prices

We are family owned & operated opal mines, currently fourth generation as of 2024. Selling only natural & authentic Australian Opal with respect to the beauty, uniqueness & history of the stone. Natural Solid Australian Opal Untreated Region: Lightning Ridge (Grawin Fields), NSW Approx Weight: 2.2 carats Approx Dimensions: 12x8mm Colours: Green, teal, blue, purple (Item no: 20-2024)

We are family owned & operated opal mines, currently in our fourth generation as of 2024. Selling only natural & authentic Australian Opal with respect to the beauty, uniqueness & history of the stones. Natural Solid Australian Black Opal Untreated, Cut & Polished, Triangle shape Region: Lightning Ridge (Grawin Fields), NSW Approx Weight: 3.3 carats Approx Dimensions: 14x10x12mm Colours: Blue, teal, purple, green (Item no: 83-2024)

black opal + gems on 14k gold plated brooch $50 Express Post Aus wide $14.10 Contact me on as I don't monitor Gumtree messages very often. Do not ask for my phone number. Absolutely NO PayID scammers! You will pay by internet transfer with ONLY my BSB, account name & number.

Honey opal + sapphire shard + sodalite + zircons + 2 opal shards, cab on 14k gold plated brooch $100 Express Post Aus wide $14.10 Contact me on as I don't monitor Gumtree messages very often. Do not ask for my phone number. Absolutely NO PayID scammers! You will pay by internet transfer with ONLY my BSB, account name & number.

my loss your gain worth alot more then asking price

Solid black opal lightning ridge.5ctw

Stunning colour in these three stones from lightning ridge.

Stunning boulder opal many colours in this unique gem.

Beautiful piece of qld boulder opal.9ctw

Lightning ridge solid black opal pair These two opals together weigh 5cts.

Stunning black Opals from lightning ridge ×3 displaying red.

Glowing blocks of precious purple opal on front face. Flashing play of electric colour as the stone rolls in hand. Double colour bar runs deep towards rear surface. Professionally hand-cut to symmetrical oval cabochon. Polished finish ready for setting to your chosen design. Mine Area: Lightning Ridge, New South Wales, Australia Body Tone: N2 Black Opal. Brightness: B4 Very Bright. Type: solid natural untreated Australian opal Approximate dimensions: 8.70 x 7.17 x 3.79 mm Approximate weight: 1.

Dominant red rainbow colours sparkle across faces of stones. Seven colours of precious opal with pinfire and line patterns. Full face colour bars and healthy clean stones. Professionally hand-cut to a nicely matched oval pair. Highly polished and ready for setting to your jewellery design. Mine Area: Lightning Ridge, New South Wales, Australia Body Tone: N4 Black Opal. Brightness: B4 Very Bright. Type: solid natural untreated Australian opal Approx. sizes: (1) 6.43 x 4.52 x 1.78 mm (2) 6.22 x 4