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This 1.63ct natural crystal boulder opal from Australia glows with an electrifying mix of bright green and soft blue flashes that shimmer across its polished high-dome surface. Cut in a round cabochon with a flat bottom, this gem brings vibrant energy and dimension to any jewelry setting. Itโ€™s a showy yet refined choice for rings or custom keepsakes.

โœจ Features & Benefits:
โœจ 100% Natural Solid Opal โ€“ Ethically sourced from Australia
โœจ Vivid Play-of-Color โ€“ Green and blue flashes in a crystal-clear body
โœจ Versatile Use โ€“ Ideal for statement rings or bezel-set pendants
โœจ High-Dome Cabochon โ€“ Elevates light play and visual depth
โœจ Smooth Polished Surface โ€“ Jewelry-ready finish
โœจ October Birthstone โ€“ A meaningful and timeless gift
โœจ Australian Treasure โ€“ A one-of-a-kind collectorโ€™s opal

About Crystal Boulder Opals

Crystal Boulder Opals, or commonly referred to as P!pe Crystal Boulder Opals are a type of opal found in boulder opal mines in Winton.

These opals are found in pockets of sandstone within the boulder opal mine; referred to as โ€˜crystal boulderโ€™. Read more here about crystal boulder 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 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.

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.

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1.63ct Natural Crystal Boulder Opal

AU$232

Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Weight: 1.63 carats
Dimensions: 8x7x4.5 mm
Source: Winton, QLD, Australia
Shape: High Dome Cabochon Flat Bottom
Size and weight are approximate

In stock

SKU: PP469

This 1.63ct natural crystal boulder opal from Australia glows with an electrifying mix of bright green and soft blue flashes that shimmer across its polished high-dome surface. Cut in a round cabochon with a flat bottom, this gem brings vibrant energy and dimension to any jewelry setting. Itโ€™s a showy yet refined choice for rings or custom keepsakes.

โœจ Features & Benefits:
โœจ 100% Natural Solid Opal โ€“ Ethically sourced from Australia
โœจ Vivid Play-of-Color โ€“ Green and blue flashes in a crystal-clear body
โœจ Versatile Use โ€“ Ideal for statement rings or bezel-set pendants
โœจ High-Dome Cabochon โ€“ Elevates light play and visual depth
โœจ Smooth Polished Surface โ€“ Jewelry-ready finish
โœจ October Birthstone โ€“ A meaningful and timeless gift
โœจ Australian Treasure โ€“ A one-of-a-kind collectorโ€™s opal

About Crystal Boulder Opals

Crystal Boulder Opals, or commonly referred to as P!pe Crystal Boulder Opals are a type of opal found in boulder opal mines in Winton.

These opals are found in pockets of sandstone within the boulder opal mine; referred to as โ€˜crystal boulderโ€™. Read more here about crystal boulder 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 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.

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.

Recently Viewed
Reviews
Oval Gem Pipe Crystal Boulder Opal 7.4 ct
Oval Gem Pipe Crystal Boulder Opal 7.4 ct
May 29, 2024
Opal arrived fast, beautifully packaged, and the opal looked just as pictured. Will definitely order from this shop again.

KMD
Crystal Boulder Opal 0.52 ct
Crystal Boulder Opal 0.52 ct
May 26, 2024
Absolutely marvelous - stunning! I consider myself so lucky to have been able to pick up such a unique and excellent piece. Very grateful.

Richard
Pipe Crystal Boulder Opal 7.44 ct
Pipe Crystal Boulder Opal 7.44 ct
Feb 15, 2024
This opal is one of the most beautiful I have seen! It has so much fire, even in indirect light. I plan to turn this in to a pendant. Fast international shipping. Great seller!

Elizabeth
Top Gem Neon Green Crystal Boulder Opal 2.1 ct
Top Gem Neon Green Crystal Boulder Opal 2.1 ct
Apr 11, 2023
Superior flashiness in this opalโ€ฆso lovely!

Sandy
Multi Color Fire Teardrop Double Sided Crystal Boulder Opal 2.1 ct
Multi Color Fire Teardrop Double Sided Crystal Boulder Opal 2.1 ct
Mar 28, 2023
This opal is exceptional and matched the description and video beautifully. I got exceptional customer service as well.

Beverly S.
Gem Chaff Pattern Flash Rectangle Crystal Boulder Opal 2.91 ct
Gem Chaff Pattern Flash Rectangle Crystal Boulder Opal 2.91 ct
Feb 4, 2023
The Opal is so pretty and thank you for the gift of the amethyst too!

Debbie
Top Gem Neon Green Blue Fire Oval High Dome Australian Crystal Boulder Opal 2.3 ct
Top Gem Neon Green Blue Fire Oval High Dome Australian Crystal Boulder Opal 2.3 ct
Oct 24, 2022


Linli
Multi Color Fire Teardrop Crystal Boulder Opal 1.86 ct
Multi Color Fire Teardrop Crystal Boulder Opal 1.86 ct
Aug 24, 2022
Heat to heat. I love to make the colors of this opal dance in the sunlight. It's beautiful!!!!

Cornelia
Crystal Boulder Opal 0.91 ct
Crystal Boulder Opal 0.91 ct
May 30, 2022
This is my second time buying from here. The opal is absolutely stunning! Incredibly bright and colourful. So happy with it!

Sophie
Top Gem Neon Green Blue Fire Rectangle Crystal Boulder Opal 3.3 ct
Top Gem Neon Green Blue Fire Rectangle Crystal Boulder Opal 3.3 ct
Mar 22, 2022
Another perfect purchase and customer service was amazing as always. Thank you ๐Ÿ˜Š

Debbie