This 3.45ct Solid Winton Boulder Opal Heart captures the vibrant spirit of the Australian outback. Carved from natural boulder opal sourced from Winton, Queensland, this heart-shaped gemstone ignites with intense flashes of red, green, and blue across a rich, earthy matrix.
The polished surface amplifies the opal’s fiery brilliance, creating a dynamic, eye-catching piece ideal for custom jewelry settings, personal keepsakes, or fine gemstone collections. Its small yet impactful size makes it perfect for dainty pendants, rings, or wearable talismans full of meaning.
Winton boulder opals are revered for their durability and stunning color displays, and this gem embodies both qualities perfectly. Whether you’re designing an heirloom piece or searching for a rare, natural symbol of love and creativity, this opal heart offers unmatched beauty and authenticity.
Features & Benefits:
✨ Natural Solid Boulder Opal Heart – From Winton, Queensland, Australia
✨ Bright Red, Green, and Blue Fire – Stunning play-of-color over earthy base
✨ Polished Heart-Shaped Cabochon – Ideal for high-end jewelry making
✨ Untreated Australian Boulder Opal – Ethically sourced and one-of-a-kind
✨ October Birthstone Gem – Represents emotional clarity, creativity, and passion
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.
3.45ct Solid Boulder Opal Heart – Vivid Fiery Play-of-Color
USD 345
Opal Details:
Type: Natural, Solid, Untreated Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 9.8×12.1×3.5mm (approx.)
Weight: 3.45ct (approx.)
In stock
This 3.45ct Solid Winton Boulder Opal Heart captures the vibrant spirit of the Australian outback. Carved from natural boulder opal sourced from Winton, Queensland, this heart-shaped gemstone ignites with intense flashes of red, green, and blue across a rich, earthy matrix.
The polished surface amplifies the opal’s fiery brilliance, creating a dynamic, eye-catching piece ideal for custom jewelry settings, personal keepsakes, or fine gemstone collections. Its small yet impactful size makes it perfect for dainty pendants, rings, or wearable talismans full of meaning.
Winton boulder opals are revered for their durability and stunning color displays, and this gem embodies both qualities perfectly. Whether you’re designing an heirloom piece or searching for a rare, natural symbol of love and creativity, this opal heart offers unmatched beauty and authenticity.
Features & Benefits:
✨ Natural Solid Boulder Opal Heart – From Winton, Queensland, Australia
✨ Bright Red, Green, and Blue Fire – Stunning play-of-color over earthy base
✨ Polished Heart-Shaped Cabochon – Ideal for high-end jewelry making
✨ Untreated Australian Boulder Opal – Ethically sourced and one-of-a-kind
✨ October Birthstone Gem – Represents emotional clarity, creativity, and passion
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.
