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0.45ct Coober Pedy Crystal Opal – Round Cabochon, Natural

0.45ct Coober Pedy Crystal Opal – Round Cabochon, Natural

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SKU: 4633

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Description

0.45ct Coober Pedy Crystal Opal, Natural

Certificate: FGAA
Weight: 0.45ct
Dimension: 6.32 x 6.33 x 1.76mm
Origin: Coober Pedy, South Australia
Type: Crystal opal with natural host rock backing
Play of Colour: Green and orange, with blue and violet
Shape: Round
Cut: Low-domed cabochon
Treatment: Untreated

This 0.45ct natural opal from Coober Pedy is a crystal opal, cut as a neat round cabochon. A thin layer of its natural host rock remains on the back, just as it formed in the ground.

Bright green and glowing orange flash across the centre of the stone, framed by cooler blue and violet that shift and move as it turns in the light.

Untreated and certified by our in-house FGAA gemmologist, with the certificate included. Its petite round shape suits a stud earring or a delicate pendant in a protective bezel setting, which also neatly encloses the back. With a hardness of 5.5 to 6.5 on the Mohs scale, it is best suited to pieces that are not exposed to hard knocks.

Browse more loose gemstones.

Gems and Gold is proudly part of the Gemstone Western Australia family, specialists in natural gemstones and fine jewellery for over 40 years.

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Natural Gemstones

We work exclusively with genuine, natural gemstones known for their vivid hues, clarity, and character. Each gem is hand-selected for its beauty and integrity, offering you a piece of nature’s brilliance — untouched by lab synthesis or artificial enhancements.

Quality Work

Every piece is meticulously crafted by skilled artisans in our Perth workshop, where attention to detail and precision are paramount. From stone setting to final polish, quality is not a feature — it's our foundation.

Responsible Practices

We are committed to transparency, fairness, and sustainability across our entire process. From sourcing to craftsmanship, we uphold practices that respect people, communities, and the planet.

Mindfully Sourced and Crafted

Each design begins with a purpose — to create jewellery that’s as meaningful as it is beautiful. Our sourcing is ethical, and our craftsmanship is thoughtful, ensuring your piece carries values as enduring as its design.

Expert Advice

Our gemologists and design consultants are here to guide you with clarity and confidence. Whether you're customising a piece or selecting the perfect gift, expert advice is just a conversation away.