This 6.53ct natural black opal from Lightning Ridge Australia is a true collector’s treasure, offering intense red fire with bright green and blue flashes across a deep black body tone. Its striking color play, large face-up size, and elegant freeform shape make it ideal for designers, collectors, and gemstone investors seeking premium Australian opal.
Measuring 25.7x12.1x4.2mm and polished to a high finish, this solid opal is 100% natural and untreated. The rich contrast and broad flashes of color create a dramatic visual effect under any lighting. The elongated shape works beautifully as the centerpiece in a pendant necklace or as a bold setting in a custom statement ring.
This australian gemstone is perfect for a high end engagement ring, anniversary gift, or luxury pendant. Its size and pattern make it suitable for fine jewelry design, especially pieces that highlight one of a kind gemstones. Whether you are a jeweler looking for a loose stone ready to set or a collector searching for your next rare opal, this piece delivers both beauty and value.
As the official October birthstone, black opal is a meaningful and timeless choice for custom birthstone jewelry. It symbolizes inspiration, passion, and individuality, making it perfect for birthdays, engagements, or personal milestones.
Ethically sourced from Lightning Ridge, this black opal is not only rare but truly irreplaceable. The intense red fire is among the most coveted patterns in natural black opals and rarely found in this size and quality.
Whether you are designing an engagement ring, creating a pendant necklace, or curating a high grade gemstone collection, this 6.53ct black opal commands attention. Sourced from Australia and cut for maximum brilliance, it is more than beautiful it is one of a kind.
Features and Benefits:
Natural Black Opal Direct from Lightning Ridge Australia.
Intense Red Fire with contrasting blue and green flashes.
Freeform Polished Shape ideal for premium jewelry design.
Large 6.53ct solid gemstone with strong visual fire performance.
Watch more opals on our YouTube Channel
About Black Opals
Black Opal is the most rarest type of Opal, only found in a very few places in the world (mainly Lightning Ridge in NSW, Australia however some has been found in Mintabie and other small mine sites). Black Opal is non transparent. If you shine light onto it you will not be able to see through the Opal. It is made up of potch and magnificent colours and patterns. Because Black Opal is so rare and also so beautiful, it is the most expensive type of Opal you will find. Read more here about black opals
Please be aware that slight color variations in our opals may occur due to differences in screen configurations.
Registered Shipping $15 under $200
Free Registered Shipping over $201
Free Worldwide EMS Express Shipping over $1000
Free Worldwide FedEx Shipping over $6500
Extra Cost $25 EMS Shipping Upgrade under $200
Extra Cost $10 EMS Shipping Upgrade under $999
Extra Cost $100 FedEx Shipping Upgrade under $6499
All shipping includes complimentary insurance.
Please view our Shipping Policy page for more information.
7 day return and refund policy.
Please view our Return and Refund 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.
Australian Opals do not change their appearance after exposure to heat / climate / humidity / water.
An Australian Opal will not be damaged when exposed to light chemicals such as dishwashing detergent or hand soap. You should not however expose your opal to hasher chemicals such as bleach or ammonia.
They are however susceptible to cracking if knocked hard enough. If wearing your opal set in a ring you should always be careful that it is not knocked during physical activities.
If undertaking some form of sport or manual labour, please take off your ring or other opal jewelry so that it is not damaged.
6.53ct Solid Black Opal Triangle Shape Gem Rainbow Fire
USD 14,000
Opal Details:
Type: Natural Solid Untreated Polished
Origin: Lightning Ridge Australia
Dimensions: 25.7×12.1×4.2mm (approx.)
Weight: 6.53ct (approx.)
In stock
This 6.53ct natural black opal from Lightning Ridge Australia is a true collector’s treasure, offering intense red fire with bright green and blue flashes across a deep black body tone. Its striking color play, large face-up size, and elegant freeform shape make it ideal for designers, collectors, and gemstone investors seeking premium Australian opal.
Measuring 25.7x12.1x4.2mm and polished to a high finish, this solid opal is 100% natural and untreated. The rich contrast and broad flashes of color create a dramatic visual effect under any lighting. The elongated shape works beautifully as the centerpiece in a pendant necklace or as a bold setting in a custom statement ring.
This australian gemstone is perfect for a high end engagement ring, anniversary gift, or luxury pendant. Its size and pattern make it suitable for fine jewelry design, especially pieces that highlight one of a kind gemstones. Whether you are a jeweler looking for a loose stone ready to set or a collector searching for your next rare opal, this piece delivers both beauty and value.
As the official October birthstone, black opal is a meaningful and timeless choice for custom birthstone jewelry. It symbolizes inspiration, passion, and individuality, making it perfect for birthdays, engagements, or personal milestones.
Ethically sourced from Lightning Ridge, this black opal is not only rare but truly irreplaceable. The intense red fire is among the most coveted patterns in natural black opals and rarely found in this size and quality.
Whether you are designing an engagement ring, creating a pendant necklace, or curating a high grade gemstone collection, this 6.53ct black opal commands attention. Sourced from Australia and cut for maximum brilliance, it is more than beautiful it is one of a kind.
Features and Benefits:
Natural Black Opal Direct from Lightning Ridge Australia.
Intense Red Fire with contrasting blue and green flashes.
Freeform Polished Shape ideal for premium jewelry design.
Large 6.53ct solid gemstone with strong visual fire performance.
Watch more opals on our YouTube Channel
About Black Opals
Black Opal is the most rarest type of Opal, only found in a very few places in the world (mainly Lightning Ridge in NSW, Australia however some has been found in Mintabie and other small mine sites). Black Opal is non transparent. If you shine light onto it you will not be able to see through the Opal. It is made up of potch and magnificent colours and patterns. Because Black Opal is so rare and also so beautiful, it is the most expensive type of Opal you will find. Read more here about black opals
Please be aware that slight color variations in our opals may occur due to differences in screen configurations.
Registered Shipping $15 under $200
Free Registered Shipping over $201
Free Worldwide EMS Express Shipping over $1000
Free Worldwide FedEx Shipping over $6500
Extra Cost $25 EMS Shipping Upgrade under $200
Extra Cost $10 EMS Shipping Upgrade under $999
Extra Cost $100 FedEx Shipping Upgrade under $6499
All shipping includes complimentary insurance.
Please view our Shipping Policy page for more information.
7 day return and refund policy.
Please view our Return and Refund 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.
Australian Opals do not change their appearance after exposure to heat / climate / humidity / water.
An Australian Opal will not be damaged when exposed to light chemicals such as dishwashing detergent or hand soap. You should not however expose your opal to hasher chemicals such as bleach or ammonia.
They are however susceptible to cracking if knocked hard enough. If wearing your opal set in a ring you should always be careful that it is not knocked during physical activities.
If undertaking some form of sport or manual labour, please take off your ring or other opal jewelry so that it is not damaged.
