Explore opals by type
Black Opal
Boulder Opal
Pipe Opal
Crystal Opal
White Opal
Opal Jewelry
Explore opals by shape
Oval
Teardrop
Heart
Round
Square
Freeform
Filters
Sterling Silver Vein Boulder Opal Ring 34ct US9 3/4
AU$420Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 16×14.5×8 mm approx
Whole Ring Weight: 34 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: U9 3/4 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Vein Boulder Opal Ring 48ct US10
AU$463Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 19x19x6 mm approx
Whole Ring Weight: 48 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: U10 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Purple Teardrop Boulder Opal Ring 22.5ct US8
AU$420Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 23x10x5 mm approx
Whole Ring Weight: 22.5 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: U8 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Blue Green Boulder Opal Ring 24.5ct US7
AU$549Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 21.5×10.5×4 mm approx
Whole Ring Weight: 21.5 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: U7 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
0.98ct Natural Black Opal – Oval Blue Green
AU$855Opal: Natural, Solid, Untreated, Polished
Dimensions: 8.2×6.9×2.7 mm
Weight: 0.98 ct
Source: Lightning Ridge, NSW, Australia
(Size and weight are approximate)
0.42ct Natural Black Opal Oval Green Blue
AU$363Opal: Natural, Solid, Untreated, Polished
Dimensions: 7.4×4.9×2 mm
Weight: 0.42 ct
Source: Lightning Ridge, NSW, Australia
(Size and weight are approximate)
Sterling Silver Blue Triangle Boulder Opal Ring 17 ct US 7
AU$570Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 14x14x5 mm approx
Whole Ring Weight: 17 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US7 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Blue Rectangle Boulder Opal Ring 22 ct US 7
AU$563Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 16.5×11.5×4.5 mm approx
Whole Ring Weight: 22 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US7 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Blue Boulder Opal Ring 21.5 ct US 7 1/2
AU$563Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 20x16x4 mm approx
Whole Ring Weight: 21.5 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US7 1/2 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Green Oval Boulder Opal Ring 20 ct US 8
AU$463Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 17.5x12x5 mm approx
Whole Ring Weight: 20 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US8 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Purple Triangle Boulder Opal Ring 21 ct US 7
AU$235Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 16x14x5 mm approx
Whole Ring Weight: 21 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US7 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Green Oval Boulder Opal Ring 35 ct US9
AU$428Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 22×14.5×7 mm approx
Whole Ring Weight: 35 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US9 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Blue Oval Boulder Opal Ring 21 ct US 7
AU$221Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 16x13x6 mm approx
Whole Ring Weight: 21 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US7 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
0.5ct Black Opal – Neon Red Rainbow Fire
Original price was: AU$4,061.AU$2,850Current price is: AU$2,850.Opal Details:
Type: Natural, Solid, Untreated Black Opal
Origin: Lightning Ridge, Australia
Dimensions: 8.7×6.4×1.9 mm (approx.)
Weight: 0.5ct (approx.)
Sterling Silver Oval Green Boulder Opal Ring 18 ct US 7
AU$235Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 17x9x5 mm approx
Whole Ring Weight: 18 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US7 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Solid Teardrop Pipe Boulder Opal Ring 20 ct US 6 3/4
AU$335Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 22x14x4.5 mm approx
Whole Ring Weight: 20 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US6 3/4 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Oval Boulder Opal Ring US6 3/4
AU$378Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 18x12x4.5 mm approx
Whole Ring Weight: 16 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US6 3/4 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Australian Boulder Opal Ring 23 ct US 8
AU$534Ring Size: US8 (Size Change is not available)
Opal: Natural, Solid, Untreated, Polished
Setting Dimensions: 22×12.5×5.5 mm
Whole Ring Weight: 23 ct
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm
Sterling Silver Freeform Boulder Opal Ring 22 ct US 8
AU$534Opal: Natural, Solid, Untreated, Polished
Setting Dimensions: 24.5x11x4 mm
Whole Ring Weight: 22.5 ct
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm
Ring Size: US8 (Size Change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Sterling Silver Rectangle Boulder Opal Ring 22 ct US 7
AU$456Opal: Natural, Solid, Untreated, Polished
Setting Dimensions: 19x14x5 mm
Whole Ring Weight: 22 ct
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm
Ring Size: US7 (Size Change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
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.