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2.72ct Dark Opal MultiColor Fire
AU$1,012Source: Lightning Ridge, NSW, Australia
Dimensions: 13x7x4 mm approx
Weight: 2.72ct approx
10x5mm Crystal Opal Calibrated 7ct
AU$984Australian crystal opal calibrated parcel from Coober Pedy featuring fifteen marquise cut cabochons. Displaying bright neon fire with orange yellow green blue and cyan flashes. Ideal for professional jewelry making, matched designs, and custom settings.
Type: Natural Crystal Opal Calibrated Parcel
Origin: Coober Pedy South Australia
Quantity: 15 pieces
Total Weight: 7ctw
Stone Size: 10 x 5 mm approx
Shape: Marquise polished cabochon
Color: Bright neon fire with orange yellow green blue and cyan flashes
Appearance: Crystal to semi crystal transparency
Treatment: 100% natural untreated opal not doublet or triplet
Suitable For: Rings earrings pendants matched jewelry sets
1.35 ct Dark Opal Lightning ridge
AU$984Natural Solid Untreated Dark Opal / Semi Black Opal Polished Stone
Weight: 1.35 ct
Dimensions: 9.5x8x2 mm
Source : Lightning Ridge, NSW, Australia
Size and weight are approximate
Blue Green Boulder Opal 12.76 ct
AU$977Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 12.76 carats
Dimensions: 36x8x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
10.8ct Natural Boulder Opal Wood Fossil
AU$963Opal: Natural, Solid, Untreated, Polished
Color: Purple
Shape: Freeform
Weight: 10.8 ct
Dimensions: 33×9.5x4mm
Source: Winton, QLD, Australia
Size and weight are approximate
1.71ct Natural Black Crystal Opal Green Blue Fire
AU$963100% Natural Solid Black Crystal Opal Polished Stone
Weight: 1.71 ct
Dimensions: 10.8×8.2×3 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate
37.57ct Natural Boulder Opal | Blue Green Fire
AU$963100% Natural Boulder Opal
Weight: 37.57 ct
Dimensions: 49.5×16.5×6 mm
Source: Winton, QLD, Australia
0.88ct Dark Opal Lightning Ridge Orange Fire
AU$963100% Natural Australian Opal, Untreated, Polished
Dimensions: 11x5x2.5 mm
Weight: 0.88 ct
Source: Lightning Ridge, NSW, Australia
(Size and weight are approximate)
5.1ct Natural Dark Opal Lightning Ridge
AU$963Natural Solid Untreated Dark Opal
Weight: 5.1 ct
Dimensions: 18x10x4 mm
Source: Lightning Ridge Australia
Boulder Opal 12.18ct Blue Green Fire
AU$956Natural Australian boulder opal displaying blue and green fire with a bright central color bar surrounded by softer light blue body tone. Polished freeform cabochon, ideal for pendant or statement jewelry use.
Opal Type: Natural boulder opal
Source: Winton, QLD, Australia
Weight: 12.18ct approx
Dimensions: 26.5x14x4 mm approx
Source: Winton, QLD, Australia
Silver Natural Boulder Opal Pendant 34.9 ct – Stripe Rainbow Fire
Original price was: AU$1,125.AU$956Current price is: AU$956.Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Dimensions: 30x18x6.8 mm
Whole Pendant Weight: 34.9 ct
(Size and weight are approximate)
1.31ct Natural Dark Opal Multi-Color Fire
Original price was: AU$1,364.AU$955Current price is: AU$955.💎 Opal Details:
Type: Natural Dark Opal (Semi Black Opal)
Origin: Lightning Ridge, Australia
Dimensions: 10×5.5×3 mm approx
Weight: 1.31ct approx
2.42ct Natural Dark Opal Teardrop Pink Green
AU$9502.42ct Natural Solid Dark Opal Teardrop from Lightning Ridge Australia with vivid pinkish red, green and blue fire. 100% untreated opal, perfect for opal rings, opal pendants, opal jewelry and collectors.
Silver Ocean Boulder Opal Pendant with Necklace 26.1 ct
Original price was: AU$1,097.AU$932Current price is: AU$932.Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Dimensions: 34x15x5 mm
Whole Pendant Weight: 26.1 ct
(Size and weight are approximate)
Silver Solid Boulder Opal Pendant Necklace 27 ct
Original price was: AU$1,097.AU$932Current price is: AU$932.27ct solid boulder opal silver pendant from Queensland Australia with vivid blue violet fire. Natural untreated October birthstone jewelry gift ready.
Type: Natural Solid Boulder Opal Silver Pendant
Origin: Queensland Australia
Dimensions: 33×13.6×5.8 mm approx
Weight: 27 ct approx
Color: Vivid blue and violet fire with ironstone matrix
Cut/Shape: Freeform cabochon polished
Setting: S925 rhodium plated sterling silver
Treatment: 100% natural untreated opal
11.13ct Natural Dark Opal – Oval Pastel Sunset Fire
AU$914Opal Details:
Type: Natural Solid Untreated Dark Opal
Origin: Lightning Ridge Australia
Dimensions: 23×16.2×4.7mm approx
Weight: 11.13ct approx
1.42ct Natural Crystal Opal Lightning Ridge
AU$914100% Natural Lightning Ridge Crystal Opal
Weight: 1.42 ct
Dimensions: 10x6x3 mm
Source: Lightning Ridge, NSW, Australia
7.37 ct Natural Boulder Opal
AU$914Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 7.37 carats
Dimensions: 27×9.5×4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Boulder Opal Pendant Sterling Silver 31.9ct
Original price was: AU$1,068.AU$908Current price is: AU$908.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 31.9ctw approx. including pendant and necklace
Dimensions: 11 x 23 x 9 mm approx
Color: Vivid blue and green fire
Shape: Elongated horizontal polished cabochon
Metal: 925 sterling silver pendant and necklace (stamped)
Chain: 18 inch (slightly adjustable)
Treatment: 100% natural untreated opal
28.74ct Natural Boulder Opal Deep Blue Fire
AU$907100% Natural Boulder Opal
Weight: 28.74 ct
Dimensions: 39x15x5 mm
Source: Winton, QLD, Australia
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.