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1.3ct Natural Crystal Opal Lightning Ridge
AU$489Natural Solid Untreated Australian Crystal Opal Polished Stone
Weight : 1.3 ct
Dimension : 10.5×7.5×2.5 mm
Source : Lightning Ridge, NSW, Australia
(Size and weight are approximate
Opal Doublet Parcel Calibrated 8x5mm
AU$481Australian opal doublet parcel with calibrated 8x5mm teardrop stones showing electric green multicolor fire. Ideal for earrings, rings, pendants, and jewelry making.
Stone Type: Australian Opal Doublet
Size: 8 × 5 mm approx (calibrated)
Total Weight: 4.03 ctw approx
Origin: Coober Pedy, Australia
Suitable For: Earrings, rings, pendants, custom jewelry
Opal Doublet Parcel Calibrated 8x5mm
AU$481Australian opal doublet stones with bright multicolor fire in calibrated teardrop shapes, ideal for earrings, rings, pendants, and jewelry making.
Stone Type: Australian Opal Doublet
Size: 8 × 5 mm approx (calibrated)
Total Weight: 2.09 ctw approx
Origin: Coober Pedy, Australia
Suitable For: Earrings, rings, pendants, custom jewelry
Opal Doublet Pair 1.96ct
AU$481Australian opal doublet set with Vivid red and multicolor fire. Ideal for custom ring and pendant designs.
Stone Type: Australian Opal Doublet
Size : Round 4mm round approx
Size: 7.6 x 11.1mm approx
Total Weight: 1.96ctw approx
Origin: Australia
Suitable For: Rings, pendants, earrings, custom jewelry
Blue Winton Rubbed Rough Boulder Opal Parcel 220g
Original price was: AU$623.AU$467Current price is: AU$467.Weight: 220 gram total weight
Dimensions: See ruler in image
Source: Winton, QLD, Australia
Price: $440
Quantity: 12 Pieces
Opals are wet to show color and taken under LED Lighting. Price includes Worldwide Registered Shipping.
Boulder Opal Pendant 75ct
AU$46775ct Solid Boulder Opal pendant from Winton Queensland Australia with purplish blue fire across natural brown matrix. 100% natural untreated ready to wear jewelry perfect for collectors and opal lovers.
92.35ct Natural Koroit Boulder Opal Large Teardrop
AU$467Type: Natural Solid Untreated Boulder Opal
Origin: Koroit, Queensland, Australia
Dimensions: 40 x 28 x 10 mm approx
Weight: 92.35ct approx
Color: Orange blue fire in natural boulder opal
Use: Ideal for custom opal ring, pendant, or fine jewelry
37ct Koroit Boulder Opal Pendant
AU$460Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Koroit, Queensland, Australia
Dimensions: 35x15x6mm
Whole Pendant Weight: 37 ct
(Size and weight are approximate)
Opal Doublet Parcel 1.69ct Mixed Size
AU$460Mixed size Australian opal doublet parcel 1.69ctw, featuring vivid red, orange, yellow, green, blue, and cyan fire. Calibrated and freeform cabochons perfect for jewelers, designers, and collectors seeking vivid Australian opal doublets for creative jewelry applications.
Stone Type: Australian Opal Doublet
Quantity: 4 stones (matched set)
Total Weight: 1.69ctw approx
Dimensions: 10x5mm, 8x4mm, 6x3mm Marquise, 3mm round
Color: Red, orange, yellow, green, blue, cyan fire
Shape: Mixed calibrated and freeform cabochons
Treatment: Opal doublet (natural crystal opal bonded to ironstone)
Suitable For: Earrings, pendants, matching jewelry sets, custom designs
Opal Doublet Parcel 2.56ct
AU$460Australian opal doublet freeform parcel totaling 2.56ctw, featuring vivid metallic flashes of orange, yellow, green, blue, and cyan. Three individually polished cabochons ideal for custom earrings, pendants, and bespoke jewelry designs.
Stone Type: Australian Opal Doublet
Quantity: 3 stones (matched set)
Total Weight: 2.56ctw approx
Dimensions: 11.8 x 4.3 mm / 10 x 5.5 mm / 8.7 x 4.6 mm
Color: Orange, yellow, green, blue, cyan fire
Shape: Freform cabochon
Treatment: Opal doublet (natural crystal opal bonded to ironstone)
Suitable For: Earrings, pendants, custom jewelry, accent stones
Perfect for jewelers, designers, and collectors seeking vivid Australian opal doublets for creative jewelry applications.
Boulder Opal Pendant 21ct
AU$46021ct solid boulder opal from Queensland, Australia, shows vivid blue and green fire with fossil wood matrix. 100% natural, untreated drilled gemstone pendant, ideal for daily wear, custom opal jewelry, and collectors.
0.83ct Natural Black Opal Lightning Ridge
AU$460💎 Opal Details:
Type: Natural Black Opal
Origin: Lightning Ridge, Australia
Dimensions: 11 x 6.2 x 1.8 mm approx
Weight: 0.83ct approx
Boulder Opal Ring 28.5ct Sterling Silver US6 1/4
AU$460Green flash and electric blue shimmer across natural ironstone in this solid Australian boulder opal ring. Large freeform bezel set in sterling silver, perfect for bold October birthstone jewelry.
Ring Size: US6 1/4 (not resizable)
Metal: S925 Sterling Silver, rhodium plated
Origin: Queensland, Australia
Setting Dimensions: 19 × 17 × 5.5 mm approx.
Weight: 28.5 ct approx. (whole ring)
Opal Type: Natural Solid Boulder Opal
Treatment: None (100% natural, not a doublet or triplet)
Additional custom lighting image requests are not available.
Sterling Silver Vein Boulder Opal Ring 48ct US10
AU$460Opal: 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 Green Oval Boulder Opal Ring 20 ct US 8
AU$460Opal: 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 Australian Boulder Opal Ring US 8
AU$460Opal: Natural, Solid, Untreated, Polished
Setting Dimensions: 21x12x6 mm
Whole Ring Weight: 24 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
Wood Fossil Boulder Opal Pendant 16ct
AU$46016ct Australian wood fossil boulder opal pendant from Winton, Queensland featuring vivid pinkish red and green glittery fire. Polished drilled cabochon set on a beige adjustable necklace. 100% natural and untreated opal, ready to wear and perfect for October birthstone jewelry.
Type: Natural solid wood fossil boulder opal pendant
Origin: Winton, Queensland, Australia
Weight: 16 ct
Size: 25 x 14 x 5 mm
Color: Pinkish red fire with green flashes
Cut: Polished drilled cabochon
Necklace: Beige adjustable cord
Treatment: 100% natural and untreated
Wood Fossil Boulder Opal Pendant 77ct
AU$46077ct Australian wood fossil boulder opal pendant from Winton, Queensland. This freeform polished cabochon features glittery green, yellow, and orange fire across rich brown ironstone. Drilled and ready to wear on a dark brown adjustable cord. Natural, untreated October birthstone jewelry.
Type: Natural Solid Wood Fossil Boulder Opal Pendant
Origin: Winton, Queensland, Australia
Weight: 77ct
Dimensions: 43 × 29 × 8 mm
Colors: Glittery green, yellow, orange fire
Body tone: Brown ironstone wood fossil
Cut / Shape: Freeform polished cabochon
Necklace: Dark brown adjustable cord
Treatment: 100% natural, untreated (not doublet or triplet)
3.62ct Natural Crystal Boulder Opal
AU$460Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 3.62 carats
Dimensions: 15x9x3.5 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Aqua Blue Queensland Boulder Opal Teardrop Ringstone 3.7 ct
AU$460Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 3.7 carats
Dimensions: 13x10x3.5 mm
Source: Winton, QLD, Australia
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.