Black Opal Heart Lightning Ridge 5.26ct Royal Blue Violet Gem
This 5.26ct Lightning Ridge Black Opal Heart natural Australian gemstone displays deep royal blue, radiant violet, and vivid green fire over a dark body tone. Polished into a romantic heart cabochon with an exceptional dome, this solid untreated gemstone features broad rolling color sheets that flash brilliantly as light glides across the surface. Its symmetrical sweetheart shape and generous spread make it an outstanding centerpiece for a custom statement pendant necklace, a luxury cocktail ring, or a prestigious gemstone collection.
Gemstone Profile
Mined in the famous opal fields of Lightning Ridge, Australia, this solid black opal offers extraordinary visual presence. The natural dark potch foundation provides strong color contrast, allowing the vibrant royal blue and violet hues to glow with rich saturation. Its rounded heart silhouette catches the eye with every subtle turn, showcasing intense color play across the high polished face.
Jewelry Design Ideas for Statement Pendants and Rings
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Romantic Heart Pendant: The balanced sweetheart shape hangs gracefully on a yellow gold, white gold, or platinum necklace chain.
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Luxury Cocktail Ring: With generous dimensions across the finger, this stone creates an unforgettable statement ring accented with fine gold work or natural diamonds.
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Custom Bezel Setting: A tailored gold or silver bezel secures the gemstone edges while framing the clean contours of the heart outline.
October Birthstone
Opal is the traditional birthstone for October. A genuine Australian black opal featuring deep blue and violet fire makes an unforgettable romantic gift for milestone birthdays, anniversaries, or fine gemstone collections.
Authenticity
Solid natural untreated Australian black opal. Guaranteed completely free from synthetic treatments, dye, smoke enhancements, doublets, or triplets.
Official certificate available upon request. Authentic & Trusted Opal Certification by Opal Galaxy
Learn more
Lightning Ridge Black Opal Complete Guide | What Makes an Opal Valuable| Australian Opal Buying Guide | Which Star Signs Should Wear Opal?
Browse all Black opals collection or contact us with questions.
Shipping Updates - March 2026
Latest international delivery information from Australia Post and FedEx.
USA TariffÂ
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 $5000
Extra Cost $25 EMS Shipping Upgrade under $200
Extra Cost $10 EMS Shipping Upgrade under $999
Extra Cost $100 FedEx Shipping Upgrade under $4999
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.
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.
5.26ct Lightning Ridge Black Opal Heart
AU$1,639
In stock
Details
|
Dimension: |
13.5 x 16.7 x 4 mm |
|
Weight: |
5.26ct |
|
Type: |
Natural Solid Untreated Black Opal |
|
Source: |
Lightning Ridge, NSW, Australia |
|
Sku: |
XX1808 |
|
Notes Dark foundation providing strong contrast for vivid blue and violet fire |
|
| Symmetrical heart shape ideal for necklace pendants | |
| Flat back for simple and secure bezel or prong mounting | |
| 100 percent natural gemstone with zero artificial enhancements | |
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