Triangular lightning ridge black opal with vivid red dominant color
Triangular black opal held close showing bright rainbow flash
Small triangular black opal held on fingers showing size
0.5 ct Solid Black Opal - Neon Red Rainbow Fire - side shot1
0.5 ct Solid Black Opal - Neon Red Rainbow Fire - side shot
0.5 ct Solid Black Opal - Neon Red Rainbow Fire - back shot1
0.5 ct Solid Black Opal - Neon Red Rainbow Fire - back shot
Triangular black opal showing intense rainbow fire full face
Triangular lightning ridge black opal with strong red orange fire
Triangular black opal showing dense rainbow color pattern

This 0.5ct Natural Black Opal from Lightning Ridge, Australia is a radiant example of premium quality in a compact, triangle-cut gemstone. Despite its size, it bursts with intense rainbow fire, flashing vivid hues of red, orange, gold, green, and violet. Each movement reveals a new layer of brilliance, magnified by its dark body tonea signature trait of solid black opals from this renowned Australian opal region.
The gem is finely polished into a sleek triangle cabochon, offering a modern and geometric look perfect for high-end custom jewelry. Whether you're designing a luxury black opal ring, a one-of-a-kind pendant, or looking for a standout piece to add to your gemstone collection, this natural metallic opal offers fire, rarity, and elegance in equal measure.
Sourced ethically and left untreated, this opal is 100% natural showcasing the raw, untamed beauty that defines the best Australian opals. Lightning Ridge is known worldwide for producing some of the brightest and most stable opals, and this gemstone is no exception. The shape, fire pattern, and finish make it ideal for small opal ring settings, minimalist high-luxury designs, or collectors looking for investment-grade stones under 1 carat.
As the official October birthstone, this opal also holds symbolic meaning, tied to creativity, clarity, and inner strength. It's a rare and dazzling treasure small in size, bold in impact, and unmistakably luxurious.

Features & Benefits:
Australian Black Opal Ethically sourced from Lightning Ridge
Red Orange Fire Rare and powerful neon play-of-color
Triangle Cut Bold, modern, and great for designer settings
Perfect for Fine Jewelry Custom rings, earrings, or pendants
October Birthstone Fiery gem of passion and protection

Watch more opals on our YouTube Channel

Shipping Updates - March 2026

Latest international delivery information from Australia Post and FedEx.

USA Tariffย 

USA customers do not need to pay any tariffs on their purchase. Opal Galaxy covers all tariff charges to the USA, with no additional government fees added after checkout.

Delivery Status

USA: No delays
Asia: No delays
UK: Minor delays possible (Complimentary EMS Express upgrade)
Europe: Minor delays possible (Complimentary EMS Express upgrade)
Middle East: Shipping temporarily suspended - Please contact us to discuss shipping arrangements before purchase.

Shipping Information

All shipping includes complimentary insurance.

Registered Shipping $15 under $200
Free Registered Shipping over $201
Free Worldwide EMS Express Shipping over $1000
Free Worldwide FedEx Shipping over $4000
Extra Cost $25 EMS Shipping Upgrade under $200
Extra Cost $10 EMS Shipping Upgrade under $999
Extra Cost $100 FedEx Shipping Upgrade under $3999

Please view ourย Shipping Policyย page for more information.

7 day return and refund policy.
Please view ourย Return and Refundย page for more information.

We offer a lifetime guarantee for natural cracks that may form in our opals.
There is a very low chance that this can happen, however occasionally it might.
Our guarantee excludes any opals sold with existing fractures.
Please view our Terms and Conditions.

Caring for Your Australian Opal

Opal Jewelry

Important: Opals Are Fragile Gemstones
Opals are softer than sapphires, rubies, or diamonds and will crack or chip if struck hard against solid surfaces.

Always remove opal jewelry before:
Sports or physical activities
Manual labor, gardening, or gym workouts
Household tasks where impact is possible (lifting, moving furniture, etc.)

Even a minor knock during everyday wear can cause permanent damage. Treat opals as delicate gemstones, not everyday workwear.

Cleaning Your Opal

Clean with warm water and mild soap. Avoid harsh chemicals like bleach, ammonia, or chlorine. Light exposure to hand soap or dishwashing detergent is safe.

Storage

Store opal jewelry separately from harder gemstones (diamonds, sapphires) to prevent scratching.

Solid Natural Opals

(Black, Boulder, Crystal, White Opal)
Natural solid opals are stable and won't change color or crack from water, humidity, or temperature changes. They are safe to submerge in water and can be worn daily, provided they are protected from physical impact. Solid opals are a single piece of gemstone with no artificial backing, making them ideal for heirloom quality jewelry when handled with care.

Opal Doublets

Opal doublets consist of a thin slice of natural opal bonded to a dark backing. Do not submerge doublets in water as prolonged exposure can weaken the adhesive bond and cause separation or cloudiness. Remove doublet jewelry before swimming, bathing, or washing dishes. Clean with a damp cloth only; do not soak or use ultrasonic cleaners.

Like all opals, doublets are fragile and must be protected from impact.

Not sure which type you have? Solid opals show natural color throughout the stone. Doublets have a visible dark backing layer when viewed from the side.

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0.5ct Black Opal – Neon Red Rainbow Fire

US$2,850

In stock

Details

Dimension:

8.7x6.4x1.9 mm

Weight:

0.5ct

Type:

Natural Solid Untreated Black Opal

Source:

Lightning Ridge, NSW, Australia

Sku:

XX1652

This 0.5ct Natural Black Opal from Lightning Ridge, Australia is a radiant example of premium quality in a compact, triangle-cut gemstone. Despite its size, it bursts with intense rainbow fire, flashing vivid hues of red, orange, gold, green, and violet. Each movement reveals a new layer of brilliance, magnified by its dark body tonea signature trait of solid black opals from this renowned Australian opal region.
The gem is finely polished into a sleek triangle cabochon, offering a modern and geometric look perfect for high-end custom jewelry. Whether you're designing a luxury black opal ring, a one-of-a-kind pendant, or looking for a standout piece to add to your gemstone collection, this natural metallic opal offers fire, rarity, and elegance in equal measure.
Sourced ethically and left untreated, this opal is 100% natural showcasing the raw, untamed beauty that defines the best Australian opals. Lightning Ridge is known worldwide for producing some of the brightest and most stable opals, and this gemstone is no exception. The shape, fire pattern, and finish make it ideal for small opal ring settings, minimalist high-luxury designs, or collectors looking for investment-grade stones under 1 carat.
As the official October birthstone, this opal also holds symbolic meaning, tied to creativity, clarity, and inner strength. It's a rare and dazzling treasure small in size, bold in impact, and unmistakably luxurious.

Features & Benefits:
Australian Black Opal Ethically sourced from Lightning Ridge
Red Orange Fire Rare and powerful neon play-of-color
Triangle Cut Bold, modern, and great for designer settings
Perfect for Fine Jewelry Custom rings, earrings, or pendants
October Birthstone Fiery gem of passion and protection

Watch more opals on our YouTube Channel

Shipping Updates - March 2026

Latest international delivery information from Australia Post and FedEx.

USA Tariffย 

USA customers do not need to pay any tariffs on their purchase. Opal Galaxy covers all tariff charges to the USA, with no additional government fees added after checkout.

Delivery Status

USA: No delays
Asia: No delays
UK: Minor delays possible (Complimentary EMS Express upgrade)
Europe: Minor delays possible (Complimentary EMS Express upgrade)
Middle East: Shipping temporarily suspended - Please contact us to discuss shipping arrangements before purchase.

Shipping Information

All shipping includes complimentary insurance.

Registered Shipping $15 under $200
Free Registered Shipping over $201
Free Worldwide EMS Express Shipping over $1000
Free Worldwide FedEx Shipping over $4000
Extra Cost $25 EMS Shipping Upgrade under $200
Extra Cost $10 EMS Shipping Upgrade under $999
Extra Cost $100 FedEx Shipping Upgrade under $3999

Please view ourย Shipping Policyย page for more information.

7 day return and refund policy.
Please view ourย Return and Refundย page for more information.

We offer a lifetime guarantee for natural cracks that may form in our opals. There is a very low chance that this can happen, however occasionally it might. Our guarantee excludes any opals sold with existing fractures.
Please view our Terms and Conditions.

Caring for Your Australian Opal

Opal Jewelry

Important: Opals Are Fragile Gemstones
Opals are softer than sapphires, rubies, or diamonds and will crack or chip if struck hard against solid surfaces.

Always remove opal jewelry before:
Sports or physical activities
Manual labor, gardening, or gym workouts
Household tasks where impact is possible (lifting, moving furniture, etc.)

Even a minor knock during everyday wear can cause permanent damage. Treat opals as delicate gemstones, not everyday workwear.

Cleaning Your Opal

Clean with warm water and mild soap. Avoid harsh chemicals like bleach, ammonia, or chlorine. Light exposure to hand soap or dishwashing detergent is safe.

Storage

Store opal jewelry separately from harder gemstones (diamonds, sapphires) to prevent scratching.

Solid Natural Opals

(Black, Boulder, Crystal, White Opal)
Natural solid opals are stable and won't change color or crack from water, humidity, or temperature changes. They are safe to submerge in water and can be worn daily, provided they are protected from physical impact. Solid opals are a single piece of gemstone with no artificial backing, making them ideal for heirloom quality jewelry when handled with care.

Opal Doublets

Opal doublets consist of a thin slice of natural opal bonded to a dark backing. Do not submerge doublets in water as prolonged exposure can weaken the adhesive bond and cause separation or cloudiness. Remove doublet jewelry before swimming, bathing, or washing dishes. Clean with a damp cloth only; do not soak or use ultrasonic cleaners.

Like all opals, doublets are fragile and must be protected from impact.

Not sure which type you have? Solid opals show natural color throughout the stone. Doublets have a visible dark backing layer when viewed from the side.

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