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76.4 ct lilac purple crystal boulder opal pendant from Winton Australia set in rhodium plated S925 sterling silver
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Large Australian crystal boulder opal pendant with purple and pink color shown worn on a silver chain
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Silver Crystal Boulder Opal Pendant Large Lilac Purple 76.4 ct

AU$840
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Australian Boulder Opal Multicolor Fire 1.98ct

AU$833
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Australian Boulder Opal Metallic Fire 0.89ct

AU$833
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Sterling Silver Sparkling Boulder Opal Ring US 8

AU$833
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Sterling Silver Purple Boulder Opal Ring US7

AU$833
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Purple Blue Winton Boulder Opal 22.32 ct

AU$833
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60.4 ct purple boulder opal pendant from Winton Australia with natural brown matrix and S925 sterling silver setting
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Natural 60.4 ct Winton boulder opal pendant shown worn on a black necklace with rich purple color and brown matrix
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Silver Boulder Opal Pendant 60.4 ct

AU$833
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1.63ct Natural Faceted Crystal Opal – Cushion Cut

AU$826
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silver Australian green boulder opal pendant with necklace 18.2 ct showing soft green and blue fire
silver Australian green boulder opal pendant with necklace 18.2 ct held on finger showing natural green fire
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Silver Australian Green Boulder Opal Pendant with Necklace 18.2 ct

AU$812
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silver Australian boulder opal pendant with necklace 16.4 ct showing soft blue and pink fire
close view of silver Australian boulder opal pendant with necklace 16.4 ct showing natural color pattern
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Solid Boulder Opal Pendant Sterling Silver Pink and Mint Green 16.4 ct

AU$812
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Boulder Opal Ring Sterling Silver Size 8 1/2

AU$812
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Boulder Opal Pendant Sterling Silver Deep Blue Purple 24.5ct

AU$812
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2.96ct Dark Opal Green Blue Fire

AU$812
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23.94ct Natural Boulder Opal

AU$812
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2.29ct Natural Dark Opal Blue Green Fire

AU$798
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4.8ct Natural White Opal Cooberpedy

AU$791
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Boulder Opal Ring Sterling Silver Size 7

AU$784
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1.95ct Natural Faceted Crystal Opal – Oval Green Blue

AU$784
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51 ct wood fossil boulder opal pendant from Winton Australia with pink orange green color and natural brown matrix
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51 ct Winton wood fossil boulder opal pendant shown worn on a black necklace with freeform sterling silver setting
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Silver Boulder Opal Pendant Wood Fossil 51 ct

AU$784
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39.4 ct green and blue boulder opal pendant from Winton Australia with teardrop shape and sterling silver setting
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Green and blue Australian boulder opal pendant shown worn on a silver chain for illustrative styling reference
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Silver Boulder Opal Pendant 39.4 ct

AU$784

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.

What are the different types of Australian opals?

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.

How do I know if my Australian opal is real?

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.

How do I care for my Australian opal jewelry?

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.

What is the difference between black opal and white opal?

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.

Can Australian opals be worn every day?

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.

Why is Lightning Ridge famous for opals?

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.