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3mm Round Calibrated Opal Doublet Parcel 3.02ct
AU$34225pcs calibrated 3mm round opal doublet parcel with a total weight of 3.02ctw. Matched stones showing vivid green and blue fire, professionally polished and precision calibrated. Ideal for halo settings, earrings, rings, and fine detailed jewelry work.
Stone Type: Natural Australian Opal Doublet
Construction: Genuine precious opal bonded to natural ironstone backing
Size: 3mm calibrated
Quantity: 25 stones
Total Weight: 3.02ctw approx
Fire Color: Green and blue fire
Finish: Polished cabochon
Treatment: Natural opal doublet (not a solid opal or triplet)
Suitable For: Earrings, pendants, rings, accent stones, calibrated settings, fine jewelry, October birthstone designs
2mm Round Calibrated Opal Doublet Parcel 1.14ct
AU$34225 pieces of Australian opal doublets in calibrated 2mm round size, featuring vivid neon red, orange, yellow, green, and blue fire. These natural opal doublets are ideal for fine jewelry making, micro pavé settings, and October birthstone designs.
Stone Type: Natural Australian Opal Doublet
Construction: Genuine precious opal bonded to natural ironstone backing
Size: 2mm calibrated
Quantity: 25 stones
Total Weight: 1.14ctw approx
Color: Neon red, orange, yellow, green, blue
Treatment: Natural opal doublet (not a solid opal or triplet)
Suitable For: Earrings, pendants, rings, micro pavé jewelry, calibrated settings, fine jewelry, October birthstone designs
Opal Doublet Pair 6.7ct
AU$4202 piece Australian opal doublet parcel totaling 6.7ctw, featuring vivid green and blue fire. Freeform polished cabochons, uncalibrated, ideal for earrings, pendants, or custom jewelry designs.
Stone Type: Natural Australian Opal Doublet
Quantity: 2 stones
Total Weight: 6.7ctw approx
Dimensions: Approx 14 x 11.6 x 3 mm Approx 11.7 x 13.8 x 3 mm
Color: Green and blue fire
Shape: Freeform cabochonÂ
Treatment: Opal doublet (natural crystal opal bonded to ironstone)
4mm Round Calibrated Opal Doublet Parcel 3.45ct
AU$342A calibrated parcel of 16 round 4mm Australian opal doublets totaling approximately 3.45ctw. Matched stones displaying vivid rainbow fire with red, orange, yellow, green, and blue flashes, ideal for rings, pendants, earrings, and fine jewelry designs.
Stone Type: Natural Australian Opal Doublet
Construction: Genuine precious opal bonded to natural ironstone backing
Size: 4mm calibrated
Quantity: 16 stones
Total Weight: 3.45ctw approx
Fire Color: Red, orange, yellow, green, blue rainbow fire
Finish: Polished cabochon
Treatment: Natural opal doublet (not a solid opal or triplet)
Suitable For: Earrings, pendants, rings, accent stones, calibrated settings, fine jewelry, October birthstone designs
2.5mm Round Calibrated Opal Doublet Parcel 1.8ct
AU$34225 pieces of calibrated 2.5mm Australian opal doublets totaling approximately 1.8ctw. Matched round stones with vivid gold, orange, yellow, green, and blue fire, ideal for earrings, rings, and fine jewelry making.
Stone Type: Natural Australian Opal Doublet
Construction: Genuine precious opal bonded to natural ironstone backing
Size: 2.5mm calibrated
Quantity: 25 stones
Total Weight: 1.8ctw approx
Fire Color: Gold, orange, yellow, green, blue
Finish: Polished cabochon
Treatment: Natural opal doublet (not a solid opal or triplet)
Suitable For: Earrings, pendants, rings, micro pavé jewelry, calibrated settings, fine jewelry, October birthstone designs
2.5mm Round Calibrated Opal Doublet Parcel 2.21ct
AU$342A calibrated parcel of 25 round opal doublets in 2.5mm size, totaling 2.21ctw. These stones display vivid orange, yellow, green, and blue fire and are selected for consistent size, polish, and color. Ideal for micro pavé, accent settings, and fine jewelry making.
Stone Type: Natural Australian Opal Doublet
Construction: Genuine precious opal bonded to natural ironstone backing
Size: 2.5mm calibrated
Quantity: 25 stones
Total Weight: 2.21ctw approx
Fire Color: Orange, yellow, green, blue
Finish: Polished cabochon
Treatment: Natural opal doublet (not a solid opal or triplet)
Suitable For: Earrings, pendants, rings, micro pavé jewelry, calibrated settings, fine jewelry, October birthstone designs
2mm Round Calibrated Opal Doublet Parcel 1.16ct
AU$34225 pieces of Australian opal doublets in calibrated 2mm round size, showing vivid blue and green neon fire. Ideal for fine jewelry making, micro pavé settings, earrings, and small calibrated designs.
Stone Type: Natural Australian Opal Doublet
Construction: Genuine precious opal bonded to natural ironstone backing
Size: 2mm calibrated
Quantity: 25 stones
Total Weight: 1.16ctw approx
Fire Color: Blue green neon fire
Finish: Polished cabochon
Treatment: Natural opal doublet (not a solid opal or triplet)
Suitable For: Earrings, pendants, rings, micro pavé jewelry, calibrated settings, fine jewelry, October birthstone designs
7 Piece Unique Boulder Opal Rubs Parcel 177g
Original price was: AU$356.AU$267Current price is: AU$267.Weight: 177 gram total weight
Dimensions: see ruler in image
Source: Winton, QLD, Australia
Quantity: 7 Pieces
Photos and Video taken under LED Lighting. Opals are wet to show color. Price includes Worldwide Shipping.
7 Piece Unique Boulder Opal Rubs Parcel 136g
Original price was: AU$356.AU$267Current price is: AU$267.Weight: 136 gram total weight
Dimensions: see ruler in image
Source: Winton, QLD, Australia
Quantity: 7 Pieces
Photos and Video taken under LED Lighting. Opals are wet to show color. Price includes Worldwide Shipping.
Crystal Opal 2.33ct Calibrated 10x7mm / 9x6mm / 6x4mm
AU$1,853This calibrated crystal opal parcel from Coober Pedy, Australia features vivid neon flashes of orange, yellow, green, and blue. Polished teardrop and pear shapes in multiple sizes make this natural, untreated opal parcel ideal for fine jewelry setting and October birthstone designs.
Type: Natural Crystal Opal Calibrated Set
Origin: Coober Pedy South Australia
Total Weight: 2.33ctw approx
Stone Sizes: 1 piece 10 x 7 mm / 2 pieces 9 x 6 mm / 3 pieces 6 x 4 mm
Shape: Teardrop and pear polished cabochon
Color: Electric neon fire with orange, yellow, green, and blue flashes
Appearance: Crystal to semi crystal transparency
Treatment: 100% natural untreated opal not doublet or triplet
Suitable For: Pendant ring earrings matched jewelry designs
10x5mm Crystal Opal Calibrated 7ct
AU$998Australian 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
Gem Pipe Crystal Boulder Opal Chips Jar 81ct
AU$214Weight: 29 kilogram total weight
Dimensions: see ruler in image
Source: Queensland, Australia
Quantity: see image
Photos and Video taken under overcast outdoor shady conditions. Price includes Worldwide Shipping.
7x5mm + 6x4mm Crystal Opal Calibrated 4.71ct
AU$1,183Australian crystal opal calibrated parcel from Coober Pedy featuring four polished teardrop cabochons with electric neon orange yellow green cyan blue and pink fire. This matching set is ideal for rings earrings pendants and professional jewelry making.
Type: Natural Crystal Opal Calibrated Parcel
Origin: Coober Pedy South Australia
Total Weight: 4.71 ctw
Stone Sizes: 6 pieces approx 7 x 5 mm and 12 pieces approx 6 x 4 mm
Shape: Mixed calibrated shapes polished cabochon
Color: Electric neon orange yellow green cyan blue and pink fire
Treatment: 100 percent natural untreated opal not doublet or triplet
Suitable For: Rings earrings pendants matching sets and professional jewelry making
10x8mm + 7x5mm Crystal Opal Calibrated 2.4ct
AU$755Australian crystal opal calibrated parcel from Coober Pedy featuring three polished oval cabochons with vivid pink orange yellow green cyan and blue fire. This matching set includes one larger and two smaller stones, ideal for ring and earring designs or professional jewelry making.
Type: Natural Crystal Opal Calibrated Parcel
Origin: Coober Pedy South Australia
Total Weight: 2.4 ctw
Stone Sizes:1 piece 10 x 8 mm and 2 pieces 7 x 5 mm
Cut: Oval Polished cabochon calibrated
Color: Bright pink orange yellow green cyan and blue fire
Treatment: 100 percent natural untreated opal not doublet or triplet
Suitable For: Ring earrings pendant matching sets and professional jewelry making
10x5mm + 8x4mm Crystal Opal Calibrated 1.38ct
AU$1,140Australian crystal opal calibrated parcel from Coober Pedy featuring four polished marquise cabochons with vivid bright red pink orange yellow green blue and cyan fire. This matching set includes two larger and two smaller stones, ideal for ring and earring designs or professional jewelry making.
Type: Natural crystal opal calibrated parcel
Origin: Coober Pedy South Australia
Total Weight: 1.38ctw
Stone Sizes: 2 pieces 10 x 5 mm, 2 pieces 8 x 4 mm
Shape: Marquise cut polished cabochon
Color: Vivid bright red pink orange yellow green blue cyan fire
Treatment: 100 percent natural untreated opal not doublet or triplet
Suitable For: Ring earrings pendant matching sets professional jewelry making
1.5ct Crystal Opal Parcel 4pcs Calibrated 9x6mm 8x5mm
AU$613Australian crystal opal calibrated parcel from Coober Pedy featuring four polished teardrop cabochons with vivid red pink orange yellow green blue and cyan fire. This matching set includes two medium and two smaller stones, ideal for ring and earring designs or professional jewelry making.
Type: Natural Crystal Opal Calibrated Parcel
Origin: Coober Pedy South Australia
Total Weight: 1.5 ctw
Stone Sizes: 2 pieces 9 x 6 mm and 2 pieces 8 x 5 mm
Cut: Teardrop Polished cabochon calibrated
Color: Bright red pink orange yellow green blue and cyan fire
Treatment: 100 percent natural untreated opal not doublet or triplet
Suitable For: Ring earrings pendant matching sets and professional jewelry making
2.76ct Crystal Opal Parcel 4pcs Calibrated 10x7mm 8x5mm
AU$613Australian crystal opal calibrated parcel from Coober Pedy featuring four polished teardrop cabochons with vivid red pink orange yellow green blue and cyan fire. This matching set includes two larger and two smaller stones, ideal for ring and earring designs or professional jewelry making.
Type: Natural Crystal Opal Calibrated Parcel
Origin: Coober Pedy South Australia
Total Weight: 2.76 ctw
Stone Sizes: 2 pieces 10 x 7 mm and 2 pieces 8 x 5 mm
Cut: Teardrop Polished cabochon calibrated
Color: Bright red pink orange yellow green blue and cyan fire
Treatment: 100 percent natural untreated opal not doublet or triplet
Suitable For: Ring earrings pendant matching sets and professional jewelry making
2.96ct Dark Opal Green Blue Fire
AU$8272.96ct semi black opal from Lightning Ridge, Australia, displaying vivid green, cyan, and blue fire across a dark to translucent body. Polished oval cabochon loose stone, solid and untreated, ideal for fine jewelry or collector use.
Type: Natural solid semi black opal loose stone
Origin: Lightning Ridge, NSW, Australia
Weight: 2.96ct approx
Dimensions: 16.1 x 10.1 x 2.6 mm approx
Color: Green, cyan, and blue fire
Cut Shape: Polished oval cabochon
Treatment: 100% natural untreated not a doublet or triplet
3.93ct Dark Opal Blue Green Fire
AU$7413.93ct black opal from Lightning Ridge, Australia, displaying blue and green shimmer across a dark body tone. Untreated high dome cabochon loose stone, ideal for fine jewelry, rings, pendants, or an October birthstone collector piece.
Type: Natural solid black opal loose stone
Origin: Lightning Ridge, NSW, Australia
Weight: 3.93ct approx
Dimensions: 13.9 x 9.5 x 5.3 mm approx
Color: Blue and green fire
Cut Shape: High dome cabochon freeform
Treatment: 100% natural untreated not a doublet or triplet
2.23ct Black Crystal Opal Chinese Writing Pattern
AU$1,1122.23ct natural solid Australian black crystal opal featuring vivid teal, blue, and green fire with a rare Chinese writing pattern. Polished round cabochon, untreated and highly collectible. Ideal for fine jewelry, opal rings, or an October birthstone centerpiece.
Opal Type: Natural Solid Black Crystal Opal
Origin: Lightning Ridge, New South Wales, Australia
Weight: 2.23 carats
Dimensions: 9.5 x 9.1 mm approx
Shape: Round cabochon
Color: Teal, blue, green fire
Pattern: Rare Chinese writing pattern
Treatment: 100% natural and untreated, not a doublet or triplet
Use: Ring stone, pendant stone, fine jewelry, collector gemstone
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.