This 16.5ct Solid Winton Boulder Opal Heart is a dazzling celebration of nature’s artistry. Ethically sourced from Winton, Queensland—one of Australia’s most famed opal regions—this opal features a striking interplay of electric blue, vivid green, and deep violet fire flashing across a naturally rich brown matrix.
Carefully carved into a heart shape, the piece radiates energy, love, and creativity. The polished finish enhances the swirling bands of color and earthy texture, creating a vibrant, one-of-a-kind gemstone that is equally suited for fine jewelry creation, a collector's showcase, or as a cherished symbolic gift.
Opals from Winton are celebrated for their resilience and distinct play-of-color, and this piece embodies those traits beautifully. It offers a unique opportunity to own a tangible piece of Australia’s ancient and storied land—fossilized color captured for eternity.
Perfect for artisans, collectors, or anyone seeking a gem with both cosmic fire and earthy grounding.
Features & Benefits:
✨ Natural Boulder Opal Heart – Sourced from Winton, Queensland
✨ Electric Play-of-Color – Vivid flashes of blue, green, and violet
✨ Rich Earthy Matrix – Provides depth and authenticity
✨ Polished Surface – Highlights color movement and texture
✨ October Birthstone – Symbol of creativity and emotional healing
About Boulder Opals
Boulder Opal is a beautiful type of precious opal that is unique to Queensland, Australia. Boulder Opal is usually found in Ironstone, but sometimes found in sandstone which is referred to as Pipe Boulder Opal or Crystal Opal. Boulder opal is popularly used in pendant necklace designs, as well as in rings by jewelers around the world. Read more here about 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 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.
16.5ct Solid Boulder Opal Heart – Electric Blue Green Fire
USD 1,200
Opal Details:
Type: Natural, Solid, Untreated Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 19.1×22.5×4.2mm (approx.)
Weight: 16.5ct (approx.)
In stock
This 16.5ct Solid Winton Boulder Opal Heart is a dazzling celebration of nature’s artistry. Ethically sourced from Winton, Queensland—one of Australia’s most famed opal regions—this opal features a striking interplay of electric blue, vivid green, and deep violet fire flashing across a naturally rich brown matrix.
Carefully carved into a heart shape, the piece radiates energy, love, and creativity. The polished finish enhances the swirling bands of color and earthy texture, creating a vibrant, one-of-a-kind gemstone that is equally suited for fine jewelry creation, a collector's showcase, or as a cherished symbolic gift.
Opals from Winton are celebrated for their resilience and distinct play-of-color, and this piece embodies those traits beautifully. It offers a unique opportunity to own a tangible piece of Australia’s ancient and storied land—fossilized color captured for eternity.
Perfect for artisans, collectors, or anyone seeking a gem with both cosmic fire and earthy grounding.
Features & Benefits:
✨ Natural Boulder Opal Heart – Sourced from Winton, Queensland
✨ Electric Play-of-Color – Vivid flashes of blue, green, and violet
✨ Rich Earthy Matrix – Provides depth and authenticity
✨ Polished Surface – Highlights color movement and texture
✨ October Birthstone – Symbol of creativity and emotional healing
About Boulder Opals
Boulder Opal is a beautiful type of precious opal that is unique to Queensland, Australia. Boulder Opal is usually found in Ironstone, but sometimes found in sandstone which is referred to as Pipe Boulder Opal or Crystal Opal. Boulder opal is popularly used in pendant necklace designs, as well as in rings by jewelers around the world. Read more here about 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 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.
