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Reserved Collection Top Gem Lightning Ridge Black Opals
AU$140,587We often have some reserved black opals that we withhold from promoting on our social media and website. Often buyers of top gem grade black opals do not want the opals they are buying distributed on the internet. We therefore accept applications to view these opals. Please fill in the application in order to view them. Thank you.
Absolute Gem Rare Harlequin Boulder Opal 14.7 ct
AU$87,164Dimensions: 24.5×15.5×5.5 mm
Weight: 14.7 ct
Source: Opal Creek, Winton, Queensland, Australia
Black Opal 18K White Gold Pendant with Natural Diamonds
AU$42,176Opal: Natural, Solid, Untreated, Polished
Opal Weight: 6.1 ct (Stamped)
Opal Dimensions: 18.2×13.6×5 mm
Source: Lightning Ridge, NSW, Australia
Color: Blue, Green
Pattern: Blocky / Jigsaw
Total Weight of Necklace, Bail, Pendant and Opal: 18.3 gram / 91.5 carat
Natural Diamonds: 32 x Brilliand Cut Diamonds @ 1.95mm. 0.97 ctw (stamped) D/E VS
18k White Gold Necklace, Bail and Pendant (Stamped)
Necklace Length: Adjustable between 42cm and 46cm
Note – The primary image in this listing was taken with minimal light hence the difference in color appearance
Black Opal 9.82ct Certified Neon Rainbow Fire Butterfly Wing
AU$31,8299.82ct certified Lightning Ridge black opal displaying full spectrum rainbow fire in a defined radiating broad flash pattern. Solid natural untreated Australian opal suited for high end jewelry or serious gemstone holding. Certificate included.
Dimensions: 26.94 × 18 × 3.7 mm approx
Origin: Lightning Ridge Australia
Opal Type: Natural Solid Black Opal
Weight: 9.82 ct approx
Certification: Certified Report includes
Shape: Freeform polished cabochon
Treatment: 100% natural untreated opal
3.95ct Certified Black Opal Chinese Writing Pattern
AU$26,4303.95ct natural solid black opal from Lightning Ridge, Australia featuring rare Chinese writing pattern with neon gold yellow and green fire, Includes gemologist certificate. Expertly cut and polished, untreated and authentic. Ideal for high end ring or pendant jewelry and a premium October birthstone collector gemstone.
Type: Natural solid black opal gemstone
Pattern: Chinese writing
Origin: Lightning Ridge, NSW, Australia
Weight: 3.95ct approx
Dimensions: 12.2 x 11.4 x 5 mm approx
Color: Neon gold yellow and green fire on dark body tone
Cut Shape: Freeform cabochon
Treatment: 100% natural and untreated (not a doublet or triplet)
Certification: Includes gemologist certificate
Natural Black Opal Platinum Diamond Ring
Opal Type: Natural Black Opal
Origin: Lightning Ridge, Australia
Opal Weight: 1.75 ct
Opal Size: 10.4 x 10.4 x 1.8 mm
Diamond Weight: 0.83 ct
Diamond Type: Natural VS-SI high quality, excellent sparkle
Metal: Platinum (PT850 stamped)
Ring Band Dimension: 1.7mm
Ring Size: US #6
Whole Ring Weight: 33.95 ct
Setting Dimensions: 18.8 x 17.4 x 11.5 mm
SKU: JJ118
Black Opal Neon Blue Teal Fire 11.98ct
AU$19,514Natural black opal from Lightning Ridge Australia with Electric blue and green fire. Strong color coverage and size create a bold high end center stone presence for fine jewelry.
Type: Natural Solid Untreated Black Opal
Origin: Lightning Ridge Australia
Dimensions: 22.2 x 14.1 x 6.2 mm
Weight: 11.98ct
Dark Opal 8.22ct Metallic Red Pink Rainbow Fire
AU$17,152High grade Natural Lightning Ridge dark opal showing strong metallic red and pink fire with rainbow flashes across a deep body tone. Bright, high contrast color in a polished oval cabochon suited for a high end ring or pendant.
Type: Natural Solid Untreated Dark Opal
Origin: Lightning Ridge Australia
Dimensions: 17.8 x 13.9 x 4.6 mm approx
Weight: 8.22ct approx
5.47ct Black Opal Blue Green Fire
AU$15,4445.47ct solid Australian black opal from Lightning Ridge featuring intense blue and green fire with electric flashes across a deep dark body tone. Polished oval cabochon with excellent dome, perfect as a statement ring stone or high end opal jewelry centerpiece.
Type: Natural Solid Black Opal Gemstone
Origin: Lightning Ridge, New South Wales Australia
Weight: 5.47 carats
Dimensions: 14.3 x 11 x 5.6 mm approx
Color: Vivid blue and green fire
Cut Shape: Oval cabochon
Treatment: 100 percent natural untreated opal not a doublet or triplet
10.21ct Boulder Opal Electric Multicolor Fire
AU$11,66910.17ct Australian boulder opal showing dazzling golden orange yellow red green and blue fire. Expertly cut and polished in a freeform cabochon shape, 100% natural and untreated. Ideal for rings, pendants, statement jewelry, and a vibrant October birthstone gemstone.
Type: Natural Solid Boulder Opal Gemstone
Origin: Queensland, Australia
Dimensions: 21×12.1×4.7mm
Weight: 10.17ct
Color: Golden orange yellow red green and blue fire
Cut/Shape: Freeform polished cabochon
Treatment: 100% natural untreated opal (not a doublet or triplet)
Double Sided Black Opal 1.51ct Multicolor Fire
AU$11,247Natural Australian black opal with vivid multicolor fire including fuchsia pink, red, orange, yellow, green, blue, and purple across a polished oval cabochon. Double sided color play makes this opal ideal for opal ring, opal pendant, or high end opal jewelry.
Type: Natural Solid Untreated Black Opal
Origin: Lightning Ridge Australia
Dimensions: 8.8 x 7.7 x 3.3 mm approx
Weight: 1.51ct approx
Natural Neon Green Dark Opal Platinum Ring 4.76 ct
Opal Type: Natural, Solid, Untreated Dark Opal ( mSemi Black Opal)
Opal Weight: 4.76 ct (Stamped)
Opal Colors: Vivid green, orange and golden yellow fire
Diamond Weight: 0.153 ctw (8 round brilliant diamonds)
Metal: Pt900 Platinum (Stamped)
Total Ring Weight: 37.35 ctw (Approximate)
Ring Size: US 6 (Complimentary resizing available)
Setting Type: Four-prong setting with diamond accents
Shank Style: Elegant split tapered shank
Origin: Lightning Ridge, NSW, Australia
Rolling Green Blue Black Opal Platinum Ring 3.3 ct
Opal Type: Natural, Solid, Untreated Black Opal
Opal Weight: 3.3 ct (Stamped)
Origin: Lightning Ridge, NSW, Australia
Opal Dimensions: 14.4×8.7×3 mm (Approximate)
Diamond Weight: 0.61 ctw (Baguette & Round) (Stamped)
Metal: Pt900 Platinum (Stamped)
Total Ring Weight: 41.35 ctw (Approximate)
Ring Size: US 5 3/4 (Complimentary resizing available)
2.65ct Solid Black Opal Pear Green Blue Fire
AU$9,180Type: Natural Solid Untreated Black Opal
Origin: Lightning Ridge Australia
Dimensions: 10.6×9.4×4.3mm approx
Weight: 2.65ct approx
Color: Electric green and blue fire in vivid rolling pattern
Shape: Pear shape gemstone perfect for fine jewelry
4.34ct Natural Black Opal Heart Red Fire
AU$8,8574.34ct solid black opal heart from Lightning Ridge Australia showing vivid red fire with hints of blue and green. 100% natural untreated opal, investment grade gem for collectors and fine jewelry.
Type: Natural Solid Black Opal Heart Cabochon
Origin: Lightning Ridge, Australia
Dimensions: 11.1 x 11.9 x 4.8 mm approx
Weight: 4.34 ct approx
Color: Intense vivid red fire with blue and green flashes across a dark body tone
Cut/Shape: Polished heart cabochon
Treatment: 100% natural untreated opal (not a doublet or triplet)
Use: Ready to set in fine jewelry, investment grade gemstone, collector’s stone
Birthstone: October birthstone, symbolizing creativity, passion, and inspiration
1.56ct Solid Black Opal Oval Neon Green Gold Yellow
Type: 100% Natural Solid Black Opal, Untreated, Polished
Origin: Lightning Ridge, NSW, Australia
Dimensions: 9.6 × 7.5 × 3.6 mm approx.
Weight: 1.56ct approx.
Green Black Opal 1.39 ct set in 18K White Gold Ring
💎 Gemstone Details:
Opal Type: Natural Australian Black Opal
Opal Weight: 1.39 carats
Opal Colors: Vivid blue-green with deep body tone
Diamond Total Weight: 0.52 carats
Diamond Cut: Round brilliant
Diamond Clarity: VS-SI (high-quality, excellent sparkle)
💍 Ring Details:
Metal: Solid 18K White Gold (K18WG)
Total Ring Weight: 30.9 ctw
Ring Size: US #5 (Resizing available – please inquire)
Setting Style: Elegant diamond halo with side diamond accents
1.84ct Black Opal Rolling Multicolor Fire
AU$6,9871.1ct natural solid black opal from Lightning Ridge Australia features vivid cherry red, orange, blue, green, and cyan fire across its polished cabochon surface. This untreated gemstone is perfect for October birthstone jewelry, ready to set into a custom engagement ring, pendant, or collector’s piece.
Type: Natural Solid Black Opal, Untreated
Origin: Lightning Ridge, NSW, Australia
Dimensions: 8.3 x 6.8 x 3.1 mm (approx.)
Weight: 1.1 ct (approx.)
Color: Bright cherry red, orange, green, blue, cyan fire with black body tone
Cut/Shape: Oval polished cabochon
Treatment: 100% natural, untreated opal (not a doublet or triplet)
1.6ct Natural Black Opal Oval Neon Rainbow Fire
AU$6,931Type: Natural Solid Untreated Black Opal
Origin: Lightning Ridge Australia
Dimensions: 10.7×7.7x3mm approx
Weight: 1.6ct approx
Natural solid untreated black opal from Lightning Ridge
Brilliant neon rainbow fire with unicorn tones
Ideal for opal jewelry design such as ring or pendant
Ethically sourced and cut to showcase its natural beauty
October birthstone with vibrant symbolic meaning
Rolling Fire Dark Opal Platinum Ring 1.46 ct
💎 Gemstone Details:
Opal Type: Natural Australian Dark Opal (Semi Black Opal)
Opal Weight: 1.46 carats
Opal Pattern: Rolling Fire
Color: Vibrant Red, Orange, Yellow, Blue and Green play-of-color
Diamond Total Weight: 0.3 carats (stamped)
Diamond Cut: Round & baguette brilliant
Diamond Clarity: VS-SI (high-quality sparkle)
💍 Ring Details:
Metal: Solid Platinum 900 (Pt900 Stamped)
Total Ring Weight: 24.62 ctw
Ring Size: US #6 3/4 (Resizing may be available – please inquire)
Setting Style: Vintage-inspired diamond halo with baguette & round diamonds
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.