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7.37 ct Natural Boulder Opal

AU$906
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Boulder Opal Pendant Sterling Silver 31.9ct

Original price was: AU$1,059.Current price is: AU$900.
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28.74ct Natural Boulder Opal Deep Blue Fire

AU$899
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15.7ct Natural Boulder Opal Turquoise Blue Green

AU$899
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Opal Doublet 11.9ct Red Multicolor Fire

AU$892
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1.2 ct Dark Opal Rainbow Lightning Ridge

AU$892
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Boulder Opal Pendant 57ct

Original price was: AU$1,045.Current price is: AU$889.
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29.67ct Natural Boulder Opal Green Blue Fire

AU$885
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17.4ct Natural Boulder Opal Vivid Green Blue Gem

AU$885
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3.6ct Natural Crystal Boulder Opal Round

AU$878
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6.95ct Crystal Boulder Opal

AU$864
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1.24ct Dark Opal Rainbow Fire

AU$864
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4.26ct Natural Crystal Opal Lightning Ridge

AU$864
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Metallic Green Fire Lightning Ridge Black Opal Teardrop 1 ct

AU$857
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0.98ct Natural Black Opal – Oval Blue Green

AU$836
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Blue Green Boulder Opal 24.87 ct

AU$836
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Sterling Silver Purple Boulder Opal Ring 37ct US 8 3/4

Original price was: AU$976.Current price is: AU$829.
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Purple Blue Winton Boulder Opal 22.32 ct

AU$829
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Sterling Silver Ocean Blue Boulder Opal Ring 35.5 ct US 9 3/4

Original price was: AU$969.Current price is: AU$824.
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1.63ct Natural Faceted Crystal Opal – Cushion Cut

AU$822

Natural Australian Opal

Explore genuine natural Australian opals from the world’s premier opal fields including Lightning Ridge, Queensland, and South Australia. Our collection features stunning black opals with intense color displays, vibrant boulder opals with natural ironstone backing, luminous crystal opals showcasing transparency, and elegant white opals with soft pastel hues. Each opal is ethically sourced, 100 percent natural and untreated, displaying unique play of color with brilliant flashes of red, blue, green, and rainbow patterns that make every stone genuinely irreplaceable.

Shop loose opal gemstones perfect for custom jewelry creation, finished opal rings and pendants in silver, gold, and platinum settings. Whether you are a collector seeking investment quality specimens, a jeweler sourcing premium gemstones, or someone drawn to the mesmerizing beauty of Australian opals, our curated selection delivers exceptional quality, authenticity, and the timeless appeal of Australia’s national gemstone celebrated worldwide as the October birthstone.

Natural Australian Opal FAQs

What is Australian opal?

Australian opal is a precious gemstone formed from silica deposits that displays unique play of color with flashes of blue, green, red, orange, and rainbow hues. Australia produces over 95 percent of the world’s precious opals from mining fields including Lightning Ridge, Queensland, and South Australia, making it the global center for opal production.

The main types of Australian opals include black opal from Lightning Ridge with dark backgrounds enhancing color displays, boulder opal from Queensland with natural ironstone backing, crystal opal featuring transparency and luminosity, and white opal from South Australia with lighter milky backgrounds and pastel colors.

Real Australian opals display natural play of color that shifts with movement and viewing angle, have irregular patterns unique to each stone, and show depth when examined closely. Doublets and triplets have visible layers when viewed from the side, while solid opals are cut from single pieces. Professional gemological testing can confirm authenticity definitively.

Remove opal jewelry before swimming, bathing, or using harsh chemicals. Clean gently with mild soap and lukewarm water using a soft cloth. Avoid extreme temperature changes and prolonged direct sunlight. Store opals separately in soft pouches to prevent scratching from harder gemstones. With proper care, Australian opals remain beautiful for generations.

Black opal features a dark background that makes colors appear more vivid and dramatic, found primarily at Lightning Ridge. White opal has a lighter milky background displaying softer pastel colors, sourced mainly from South Australian fields like Coober Pedy. Both are genuine precious opals with play of color.

Yes, Australian opals can be worn daily with reasonable care. Boulder opals are particularly durable due to their natural ironstone backing. Remove opal jewelry during activities involving impacts, chemicals, or extreme temperatures. Rings may require more careful wear than pendants or earrings due to exposure.

Lightning Ridge is famous for producing the world’s finest black opals with exceptional color displays on dark backgrounds. The unique geological conditions in this New South Wales region created over millions of years result in opals found nowhere else on Earth, making Lightning Ridge material highly sought after by collectors worldwide.