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Boulder Opal Pendant Sterling Silver Necklace
Original price was: AU$661.AU$562Current price is: AU$562.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 25.5ctw approx. including pendant and necklace
Dimensions: 9 x 21 x 4 mm approx
Color: green with hint of pink
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 Purple 25.6ct
Original price was: AU$661.AU$562Current price is: AU$562.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 25.6ctw approx. including pendant and necklace
Dimensions: 9 x 23 x 4 mm approx
Color: purple blue
Shape: Elongated horizontal polished cabochon
Metal: 925 sterling silver pendant and necklace (stamped)
Chain: 18 inch (slightly adjustable)
Treatment: 100% natural untreated opal
1.29ct Dark Opal Heart
AU$5551.29ct Australian semi black opal heart from Lightning Ridge features vivid orange yellow green and blue fire across its polished surface. Cut in a romantic heart shape, this natural untreated opal is ideal for rings or pendants and a meaningful October birthstone gemstone.
Type: Natural solid semi black opal / Dark Opal
Origin: Lightning Ridge, NSW, Australia
Weight: 1.29 ct
Dimensions: 7.6 × 9.3 × 3.1 mm approx
Color: Orange yellow green blue fire
Cut Shape: Heart cabochon
Treatment: 100% natural untreated opal (not a doublet or triplet)
Use: Ring stone, pendant stone, custom jewelry, collector gemstone
1.25ct Natural Black Opal Green Blue
AU$555💎 Opal Details:
- Type: Natural, Solid, Untreated Black Opal
- Origin: Lightning Ridge, Australia
- Dimensions: 10.2×6.8×3 mm
- Weight: 1.25ct
1ct Natural Black Opal Lightning Ridge
AU$555Opal Details:
Type: Natural Black Opal
Origin: Lightning Ridge, Australia
Dimensions: 8x8x2.2 mm approx
Weight: 1ct approx
15.3ct Natural Boulder Opal Deep Purple Blue Fire
AU$555100% Natural Boulder Opal
Weight: 15.3 ct
Dimensions: 21.5x12x4.5 mm
Source: Winton, QLD, Australia
33ct Double Sided Natural Koroit Boulder Opal
AU$555100% Natural, Untreated, Polished
Dimensions : 26x23x7 mm
Weight: 33 ct
Source: Koroit, QLD, Australia
(Size and weight are approximate)
Boulder Opal Pendant Sterling Silver 35.7ct
Original price was: AU$647.AU$550Current price is: AU$550.Type: Natural Solid Boulder Opal Necklace
Origin: Winton, Queensland, Australia
Weight: 35.7ctw approx. including pendant and necklace
Dimensions: 13.5 x 26 x 4 mm approx
Color: green and blue matrix
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 Rubs Rough Parcel 4 Piece 80g
Original price was: AU$731.AU$548Current price is: AU$548.Weight: 80 grams total weight
Dimensions: See ruler in image
Quantity: 4 Pieces
Source: Winton, QLD, Australia
Price: $520
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 US 7
Original price was: AU$640.AU$544Current price is: AU$544.Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 14.5x11x4 mm
Whole Ring Weight: 16 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
9.5ct Natural Boulder Opal Blue Green
AU$541Opal: Natural, Solid, Untreated, Polished
Source: Winton, QLD, Australia
Dimensions: 17x17x4mm
Weight: 9.5 ct
Color: Blue, Green
Shape: Freeform (Triangular)
(Size and weight are approximate)
2.2ct Natural Black Opal Blue Fire
AU$541100% Natural Solid Black Opal Polished Stone
Weight: 2.20 ct
Dimensions: 12.5×7.5×4 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate
Partially Transparent
Wood Fossil Boulder Opal Pendant 38ct
Original price was: AU$633.AU$538Current price is: AU$538.38ct Australian Boulder Opal pendant from Winton features vivid flashes of orange, yellow, green, and blue fire in a rounded teardrop cut. Polished and naturally drilled, it is ready to wear on a brown adjustable cord necklace. 100% natural and untreated, perfect October birthstone jewelry.
Opal Type: Natural Solid Boulder Opal Pendant
Origin: Winton, Queensland, Australia
Weight: 38 ct
Dimensions: 39 x 18 x 5 mm approx.
Cut Shape: Rounded teardrop, polished cabochon
Color: Sparkling orange, yellow, green, and blue fire
Pattern: Wood fossil boulder matrix with vivid play of color
Necklace: Brown adjustable cord necklace, ready to wear
Treatment: 100% natural untreated opal, not a doublet or triplet
Large Boulder Opal Pendant 193ct
Original price was: AU$633.AU$538Current price is: AU$538.193ct Natural Koroit boulder opal pendant from Queensland, Australia, subtle purple and blue fire veins in rich brown ironstone. 100% natural, untreated gemstone necklace, ideal for October birthstone jewelry and opal collectors.
Boulder Opal Pendant 26 ct, Sterling Silver Blue Purple Opal
Original price was: AU$633.AU$538Current price is: AU$538.Pendant: S925 Stamped Sterling Silver with Rhodium Plated
Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 31x17x5 mm approx
Whole Pendant Weight: 26 ct approx
60ct Silver Koroit Boulder Opal Pendant Orange
Original price was: AU$633.AU$538Current price is: AU$538.Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Koroit, Queensland, Australia
Dimensions: 46x25x6mm
Whole Pendant Weight: 60 ct
(Size and weight are approximate)
Silver Multi Color Boulder Opal Pendant with Necklace 18.7 ct
Original price was: AU$633.AU$538Current price is: AU$538.Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Dimensions: 28x9x5 mm
Whole Pendant Weight: 18.7 ct
(Size and weight are approximate)
Silver Boulder Opal Pendant with Necklace 27.6 ct – Blue Green
Original price was: AU$633.AU$538Current price is: AU$538.Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Dimensions: 41x10x6 mm
Whole Pendant Weight: 27.6 ct
(Size and weight are approximate)
7.2ct Crystal Boulder Opal
AU$5347.2ct Australian Crystal Boulder Opal from Queensland reveals green fire glowing through translucent natural opal body. Expertly polished in oval cabochon cut, 100% natural and untreated, this gemstone is ideal for jewelry design, October birthstone, or collection.
Type: Natural Solid Crystal Boulder Opal
Origin: Queensland, Australia
Dimensions: 15.9 × 12.5 × 5.6 mm (approx.)
Weight: 7.2 carats (approx.)
Color: Green fire through translucent body tone
Cut/Shape: Oval cabochon
Treatment: 100% natural, untreated opal (not a doublet or triplet)
4.5ct Natural Faceted Crystal Opal Pair – Oval
AU$534
Opal Details:
Type: Natural, Solid, Untreated, Faceted Crystal Opal
Origin: Lightning Ridge, NSW, Australia
Dimensions: 12x10x3.5 mm each (approx.)
Weight: 4.5ct total (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.