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8.67ct Natural Dark Opal Oval Flagstone Pattern
AU$3,093Opal Details:
Type: Natural Solid Dark Opal
Origin: Lightning Ridge, Australia
Dimensions: 22 × 11.2 × 5 mm
Weight: 8.67ct
(Size and weight are approximate)
3.06ct Black Opal Green Blue
AU$3,093Opal Type: Natural Solid Black Opal
Origin: Lightning Ridge, NSW, Australia
Weight: 3.06 carats approx
Dimensions: 11.5 × 8.2 × 5 mm approx
Color: Vivid blue and green fire
Cut Shape: Oval cabochon
Treatment: 100 percent natural and untreated
Use: Ring stone, pendant, fine jewelry, collector gemstone
Birthstone: October
Dark Opal 1.78ct Double Sided Fuchsia Pink
AU$3,051Australian opal oval cabochon from Lightning Ridge with vivid fuchsia pink, cyan, green, and blue multicolor fire visible on both sides.
Natural solid Australian opal ideal for a custom ring or pendant, perfect for October birthstone jewelry and a high end gift.
Type: Natural Solid Untreated Dark Opal (Semi Black Opal)
Origin: Lightning Ridge Australia
Dimensions: 9.2 x 7.2 x 4.5 mm approx
Weight: 1.78ct approx
26ct Natural Boulder Opal Rainbow Fire
AU$2,896Opal: 100% Natural, Solid, Untreated, Polished
Source: Winton, QLD, Australia
Dimensions: 28.5x20x6 mm
Weight: 26 ct
(Size and weight are approximate)
168.3ct Natural Boulder Opal Specimen
AU$2,812Opal Details:
- Type: Natural Matrix Boulder Opal Specimen
- Origin: Winton, Australia
- Weight: 168.3ct
- Dimensions: 67.8 × 44.2 × 8.9 mm
- Play-of-Color: blue and green veins
- Matrix: Natural ironstone
0.5ct Black Opal – Neon Red Rainbow Fire
Original price was: AU$4,007.AU$2,812Current price is: AU$2,812.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.)
13.1ct Natural Crystal Boulder Opal Round
AU$2,812💎 Opal Details:
- Type: 100% Natural Pipe Crystal Boulder Opal
- Origin: Winton, QLD, Australia
- Dimensions: 18 × 18 × 7 mm
- Weight: 13.1ct
This item is eligible to purchase on a Payment Plan
2.14ct Natural Black Opal Heart with Rolling Multicolor Fire
AU$2,791Natural Black Opal from Lightning Ridge Australia
Green and orange fire with deep neon glow and strong contrast
Heart shape solid untreated gem October birthstone for statement pendant or ring
Dimensions: 9.7 x 9.4 x 4.2 mm approx
Weight: 2.14 carats approx
Purity: 100% Australian opal no doublet or triplet
6.4ct Natural Crystal Boulder Opal
AU$2,791Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Weight: 6.4 ct
Dimensions: 19x12x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Opal Doublet 28.05ct Red Multicolor Fire
AU$2,601Australian opal doublet with intense red, orange and multicolor fire in a polished large freeform cabochon. Ideal for statement ring, pendant or custom jewellery, suitable as a centre stone for bold jewellery design.
Type: Australian Opal Doublet
Origin: Australia
Dimensions: 35.9 × 25.6 × 3.5 mm
Weight: 28.05ct
Opal Doublet 14.18ct Red Multicolor Fire
AU$2,601Type: Australian Opal Doublet
Origin: Australia
Dimensions: 29.5 × 13.2 × 3.2 mm
Weight: 14.18ct
Suitable For: Rings, pendants, earrings, custom jewelry
Opal Doublet 16.1ct Red Multicolor Fire
AU$2,531Australian opal doublet with intense red and multicolor fire. Freeform loose stone for pendants, and October birthstone jewelry.
Dimensions: 34.1 x 19.4 x 2.9 mm approx
Weight: 16.1 ct approx
Type: Australian Opal Doublet
Suitable For: Rings, pendants, custom jewelry settings
Black Opal Teardrop – 2.84 ct Green Blue Fire Gemstone
AU$2,355Opal: Natural, Solid, Untreated, Polished
Source: Lightning Ridge, Australia
Dimensions: 18.5×8.5×2.8 mm
Weight: 2.84 ct
(Size and weight are approximate)
Dark Opal 0.93ct Neon Multicolor Fire
AU$2,249Natural Australian opal displaying vivid neon bright pink, orange, yellow, green, and blue fire with strong color contrast. Polished oval cabochon, ideal as a premium center stone for a ring or fine jewelry setting.
Type: Natural Solid Untreated Dark Opal (Semi Black Opal)
Origin: Lightning Ridge Australia
Dimensions: 6.8×5.8×3.5 mm
Weight: 0.93ct
2.75ct Crystal Opal Lightning Ridge
AU$2,249Natural Solid Untreated Crystal Opal Polished Stone
Weight: 2.75 ct
Dimensions: 15.2x9x3 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate
15.9ct Natural Boulder Opal Wood Fossil
AU$2,249Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 15.9 carats
Dimensions: 26×17.5x5mm
Source: Winton, QLD, Australia
Size and weight are approximate
Crystal Opal 2.42ct Lightning Ridge
AU$2,193Bright rolling rainbow fire with neon flashes of red, orange, yellow, green, and blue across a polished oval crystal opal. Strong color movement with high brightness, ideal for a standout jewelry piece. Perfect for opal ring, opal pendant, or fine custom jewelry where vibrant color play is the focus.
Type: Natural Solid Untreated Crystal Opal
Origin: Lightning Ridge Australia
Dimensions: 13.6 x 10.7 x 2.7 mm approx
Weight: 2.42 ct approx
Opal Doublet 35.89ct
AU$2,053Australian opal doublet with strong red, orange, yellow, green, blue and cyan fire in a large cushion cabochon. Suitable for pendant or custom jewellery. Suitable as a centre stone for statement jewellery and bold pendant designs.
Type: Australian Opal Doublet
Origin: Australia
Dimensions: 31.8 x 31.4 x 3.7 mm
Weight: 35.89ct
5.25ct Natural Dark Opal Lightning Ridge
AU$2,039Natural Solid Untreated Australian Lightning Ridge Dark Opal Polished Stone
Dimensions: 17×10.5×5 mm
Weight : 5.25 ct
Source : Lightning ridge, NSW, Australia
Size and weight are approximate
8.32ct Dark Opal Heart – Neon Green Blue Fire
AU$2,024Opal Details:
Type: Natural, Solid, Untreated, Polished Dark Opal
Origin: Lightning Ridge, Australia
Dimensions: 17.4 × 23.6 × 3.1 mm (approx.)
Weight: 8.32ct (approx.)
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.