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1.94ct Natural Black Opal Round Blue & Green Fire

AU$382

Opal Details:

  • Type: Natural Black Opal
  • Origin: Lightning Ridge, Australia
  • Dimensions: 9.7 × 9.4 × 3 mm
  • Weight: 1.94ct
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Wood Fossil Boulder Opal Pendant 23ct

AU$382

23ct Australian wood fossil boulder opal pendant necklace featuring vivid green, yellow, and blue fire within natural fossilized ironstone matrix. Polished elongated cabochon with a natural drilled hole, ready to wear on a beige adjustable cord necklace. 100% natural and untreated October birthstone jewelry.

Stone Type: Natural Solid Wood Fossil Boulder Opal
Style: Pendant Necklace
Weight: 23 carat
Dimensions: 35 x 11 x 5 mm (approx.)
Origin: Winton, Queensland, Australia
Matrix: Fossilized wood ironstone
Fire Color: Green, yellow, and blue fire
Cut Shape: Polished elongated cabochon (not freeform)
Necklace: Beige adjustable cord necklace, ready to wear
Treatment: 100% natural, untreated opal (not a doublet or triplet)

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Crescent Moon Crystal Opal 1.52 ct

AU$382

Natural Solid Untreated Crystal Opal Polished Stone
Weight: 1.52 carats
Dimensions: 18x7x2 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate

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Boulder Opal Pendant Necklace 56.4 ct

AU$382

Type: Natural solid boulder opal pendant necklace
Origin: Winton Queensland Australia
Dimensions: 35.4 x 23.6 x 6.4 mm
Weight: 56.4ct approx
Color: flashes of blue and cyan fire with ironstone
Cut and Shape: polished freeform drilled
Necklace: adjustable brown cord
Treatment: 100 percent natural untreated opal not a doublet or triplet

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Purple Striped Boulder Opal 28.1 ct

AU$382

Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 28.1 carat
Dimensions: 27×19×5.5 mm
Source: Winton, QLD, Australia

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Boulder Opal Pendant 137ct

AU$382

This 137ct natural solid boulder opal pendant features a bold Tribal Leaf carving across polished brown ironstone with glowing opal veins. Handcrafted in Winton Australia, it is designed as men’s opal jewelry and a unisex opal pendant, ready to wear on an adjustable leather cord.

Type: Natural Solid Boulder Opal Pendant
Origin: Queensland, Australia
Weight: 137ct approx.
Dimensions: 62 × 20 × 9 mm approx.
Color: Blue veins with brown ironstone body
Cut/Shape: Rectangular freeform, hand carved tribal leaf design
Necklace: Genuine Greek leather adjustable necklace, ready to wear
Treatment: 100% natural, untreated opal (not a doublet or triplet)

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23 ct pink and orange boulder opal pendant from Winton Australia set in rhodium plated S925 sterling silver
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Natural pink boulder opal pendant with orange color and ironstone matrix shown worn on a silver chain

Silver Boulder Opal Pendant 23 ct

AU$382

NN645
Silver Boulder Opal Pendant 23 ct
/silver-boulder-opal-pendant-23-ct
23 ct
29.6×17.2×4.2 mm
Natural Solid Untreated Boulder Opal
Winton, QLD, Australia
Pink, Orange
Freeform
Pendant: S925 Stamped Sterling Silver with Rhodium Plated

Select options This product has multiple variants. The options may be chosen on the product page
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Wood Fossil Boulder Opal Pendant 58ct

AU$375

58ct Australian wood fossil boulder opal pendant featuring vivid green blue and soft pink fire within natural ironstone and fossil patterns. Polished freeform cabochon with drilled hole, paired with a brown adjustable cord necklace. 100% natural and untreated October birthstone opal.

Type: Natural Solid Boulder Opal Pendant
Material: Wood Fossil Boulder Opal
Origin: Queensland, Australia
Weight: 58 ct
Dimensions: 46 x 19 x 7 mm approx.
Color: Green blue pink fire with fossil wood pattern
Cut Shape: Freeform polished cabochon
Hole: Naturally drilled
Necklace: Brown adjustable cord necklace included
Treatment: 100% natural untreated opal not a doublet or triplet

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39.17ct Double Sided Koroit Boulder Opal

AU$375

100% Natural Polished Boulder Opal
Weight: 39.17 ct
Dimensions: 32x23x7 mm
Source: Koroit,QLD, Australia

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78.76ct Large Boulder Opal Teardrop Veins

AU$375

100% Natural Polished Boulder Opal
Weight: 78.76 ct
Dimensions: 45.5×22.5×8 mm
Source: Koroit,QLD, Australia

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Boulder Opal Pendant 16.6ct

AU$375

Type: Natural Solid Untreated Boulder Opal

Origin: Queensland, Australia

Dimensions: 25.5 × 12 × 5 mm approx

Weight: 16.6ct approx

Color: White base with bright green, pink, and blue fire

Shape: Polished pendant with adjustable black cord

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Large Boulder Opal Pendant 187ct

AU$375

187ct Australian Boulder Opal pendant featuring vivid blue and green fire flowing through natural ironstone patterns. Expertly polished with a bold geometric shape and set on a genuine Greek leather adjustable necklace. A natural untreated opal ideal for daily wear, gifting, and meaningful October birthstone jewelry.

Type: Natural Solid Boulder Opal Pendant
Origin: Winton, Queensland, Australia
Dimensions: 68x35x11 mm (approx.)
Weight: 187 ct (approx.)
Color: Blue and green fire with rich brown ironstone
Cut/Shape: Large geometric freeform polished pendant
Necklace: Genuine Greek leather adjustable necklace
Treatment: 100% natural untreated opal (not a doublet or triplet)

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Sterling Silver Oval Boulder Opal Ring US6 3/4

AU$368

Opal: 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

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2.7ct Natural Faceted Crystal Opal Pair – Oval

AU$368

💎 Opal Details:
Type: Natural, Solid, Untreated, Polished Faceted Crystal Opal
Origin: Lightning Ridge, NSW, Australia
Dimensions: 10 × 7 × 3.5 mm (each, approx.)
Total Weight: 2.7ctw (approx.)

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7.52ct Natural Boulder Opal Blue Fire

AU$354

100% Natural Solid Boulder Opal Polished Stone
Weight: 7.52 ct
Dimensions: 12×12.5×5.5 mm
Source: Winton,QLD, Australia
Size and weight are approximate

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australian-opal-doublet-halo-earrings-13-33ct-sterling-silver-925-opal-galaxy
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opal-doublet-cluster-earrings-13-33ct-finger-display-opal-galaxy

Australian Opal Earrings Silver Green Blue Fire 13.33ct

AU$347

Australian opal doublet earrings set in sterling silver. Comes with a gift box and jewelry cleaning cloth.
Metal: Solid Sterling Silver (Stamped 925)
Opal Type: Australian Opal Doubet
Accent Stones: Round Brilliant Cut Cubic Zirconia
Earring Dimensions: 11.3 mm x 9.3 mm approx
Total Weight: 13.33ct approx

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Crystal Boulder Opal rough parcel from Winton Australia showing 1.8kg of mixed natural ironstone and colorful opal rough pieces
-17%
1.8kg Crystal Boulder Opal rough parcel from Winton Australia showing mixed ironstone pieces with visible opal color beside a ruler

Crystal Boulder Opal Rough 1.8kg

Original price was: AU$416.Current price is: AU$347.

Weight: 1.8kg
Dimensions: See ruler in image
Source: Winton, QLD, Australia
Price: $300
Description:
Opals are wet to show color and taken under LED Lightning on an iphone camera. Price includes Worldwide registered shipping with insurance.

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1.47ct Crystal Boulder Opal

AU$347

1.47ct Australian crystal opal with soft blue and green fire polished oval cabochon. 100% Natural and untreated, ideal for fine opal jewelry, ring settings, and October birthstone gifts.

Type: Natural solid crystal opal gemstone
Origin: Australia
Dimensions: 11.7 x 7.5 x 2.8 mm
Weight: 1.47ct
Color: Soft blue and green fire
Cut/Shape: Oval cabochon
Treatment: 100 percent natural, untreated, not a doublet or triplet

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18.44ct Natural Boulder Opal Deep Purple Fire

AU$347

100% Natural Boulder Opal
Weight: 18.44 ct
Dimensions: 28x15x5 mm
Source: Winton, QLD, Australia

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25.1ct Natural Crystal Boulder Opal

AU$347

Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Total Weight: 25.1 carats
Dimensions: 23.5x19x9.5mm
Source: Winton, QLD, Australia
Item code : PP299
Size and weight are approximate

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.