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0.77ct Natural Dark Opal Multicolor fire
AU$668100% Natural Solid Dark Opal Polished Stone
Weight: 0.77 ct
Dimensions: 9.5x6x2 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate
5.9ct Natural Dark Opal Lightning Ridge
AU$668Opal Details:
Natural Solid Untreated Australian Lightning Ridge Dark Opal / Semi Black Opal Polished Stone
Weight : 5.9 ct
Dimension : 17x11x4.3 mm
Source : Lightning Ridge, NSW, Australia
Size and weight are approximate
Boulder Opal Rubs Rough Parcel 4 Piece 113g
Original price was: AU$872.AU$654Current price is: AU$654.Weight: 113 grams total weight
Dimensions: See ruler in image
Quantity: 4 Pieces
Source: Winton, QLD, Australia
Price: $620
Description: Opal rubs are wet to show color and taken under LED lighting. Price includes Worldwide Shipping with Insurance.
Sterling Silver Sparkling Boulder Opal Ring 24 ct US 7
Original price was: AU$766.AU$651Current price is: AU$651.Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 18x17x5 mm
Whole Ring Weight: 24 ct
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm
Ring Size: US7 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Size and weight are approximate
Boulder Opal Pendant Sterling Silver Necklace
Original price was: AU$759.AU$645Current price is: AU$645.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 23.3 ctw approx. including pendant and necklace
Dimensions: 11 x 18 x 3.2 mm approx
Color: ocean blue green
Shape: Elongated horizontal polished cabochon
Metal: 925 sterling silver pendant and necklace (stamped)
Chain: 18 inch (slightly adjustable)
Treatment: 100% natural untreated opal
4.28ct Natural Boulder Opal
AU$640Natural Solid Untreated Polished
Weight: 4.28 carats
Dimensions: 17x7x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Opal Doublet Pair Multicolor Fire 4.82ct
AU$633Australian opal doublet set with intense neon green, orange, yellow, and blue fire. Ideal for statement earrings, pendants, rings and custom designer jewelry.
Stone Type: Australian Opal Doublet
Origin: Australia
Size: 15.1 x 7.9 mm and 8.9 x 5.3 mm approx
Total Weight: 2.41ctw approx
1.11ct Black Crystal Opal Heart – Green & Blue Fire
AU$633Opal Details:
Type: Natural, Solid, Untreated Black Crystal Opal
Origin: Lightning Ridge, Australia
Dimensions: 9.3×7.3×2.9mm (approx.)
Weight: 1.11ct (approx.)
1.79ct Natural Faceted Crystal Opal – Oval
AU$633 Opal Details:
Type: Natural, Solid, Untreated, Faceted Opal
Origin: Andamooka, Australia
Dimensions: 9.5 × 8 × 4.5 mm (approx.)
Weight: 1.79ct (approx.)
1ct Natural Crystal Boulder Opal
AU$633100% Natural Solid Crystal Boulder Opal Polished Stone
Weight: 1 ct
Dimensions: 13x6x1.8 mm
Source: Queensland, Australia
Size and weight are approximate
Transparent
Blue Green Boulder Opal 8.03 ct
AU$633Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 8.03 carats
Dimensions: 26x8x3.5 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Boulder Opal Ring 27ct Sterling Silver US8
Original price was: AU$738.AU$627Current price is: AU$627.Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 23x15x6 mm approx
Whole Ring Weight: 27 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: U8 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
Boulder Opal Pendant Sterling Silver Necklace
Original price was: AU$731.AU$621Current price is: AU$621.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 28.3 ctw approx. including pendant and necklace
Dimensions: 12 x 21.5 x 4 mm approx
Color: ocean blue green
Shape: Elongated horizontal polished cabochon
Metal: 925 sterling silver pendant and necklace (stamped)
Chain: 18 inch (slightly adjustable)
Treatment: 100% natural untreated opal
Boulder Opal Pendant Sterling Silver 28.8ct
Original price was: AU$731.AU$621Current price is: AU$621.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 28.8ctw approx. including pendant and necklace
Dimensions: 9.6 × 25.5 × 4 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
86ct Boulder Opal Pendant Teardrop Multicolor Flash
Original price was: AU$731.AU$621Current price is: AU$621.Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Koroit, Queensland, Australia
Dimensions: 46x29x8mm
Whole Pendant Weight: 86 ct
(Size and weight are approximate)
Necklace Details:
• Type: Adjustable Slide Knot Cord
• Color: Black (or as preferred)
1.5ct Crystal Opal Parcel 4pcs Calibrated 9x6mm 8x5mm
AU$605Australian 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$605Australian 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
9.98ct Natural Boulder Opal Purplish Blue Green
AU$605100% Natural Boulder Opal
Weight: 9.98 ct
Dimensions: 34x8x4mm
Source: Winton, QLD, Australia
Boulder Opal Pendant Sterling Silver 14.8ct
Original price was: AU$703.AU$597Current price is: AU$597.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 14.8 ct approx including pendant and necklace
Dimensions: 29 x 8.4 x 4.2 mm approx
Color: Purple blue green fire
Shape: Teardrop polished cabochon
Metal: 925 sterling silver pendant (stamped)
Chain: Optional
Treatment: 100% natural untreated opal
3.51ct Natural Boulder Opal Turquoise
AU$597Natural Solid Untreated Polished
Weight: 3.51 carats
Dimensions: 14×7.5×4 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.