Opal Brightness Explained
Opal brightness is graded on the B1–B5 scale, where B1 is very dim and B5 is vivid and intense.
Georgie's Gem Studio
Oval Silver Earrings - Red, Orange, Blue & Green Boulder Opal
Oval Silver Earrings - Red, Orange, Blue & Green Boulder Opal
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Skyfire - A pair of boulder opal earrings that look like fire burning in the sky, their red, orange, blue and green flashes rising through the polished surface like mystical embers drifting across a twilight horizon. Bright, vivid and a little other‑worldly, they have that rare “elemental” feel - heat and colour suspended in air.
These oval sterling‑silver earrings feature vibrant boulder opals flashing red, orange, blue, and green across their polished surfaces.
Each stone is hand‑set in 925 silver, creating a lively, colourful pair that catches the light beautifully and celebrates the natural artistry of Australian opal.
- Opal Type: Boulder Opal
- Colour: Red, Orange, Blue, Green
- Pattern: Broad Flash
- Shape: Oval
- Finish: Polished
- Brightness: B4 (of 5)
- Jewellery Size: 5 × 4 mm
- Fitting: 925 Silver
- Source: Miner‑direct
- Origin: Boulder Opal Fields Australia
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About Our Opals
We only work with Australian opals, direct from #MinerToMaker.
Every stone is natural, untreated, and individually cut.
No two opals are ever the same - each piece is one‑of‑a‑kind.
We source directly from small Australian miners and cutters.
Every opal comes from Queensland’s ethical, regulated opal fields.
All photos are taken with a macro lens, remember to check the opal dimensions before purchasing.
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More from the Studio
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Stories from the Studio
Read our latest posts -
Ethical Opal Sourcing
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Caring for Australian Opal
A simple guide -
Opal Brightness Guide
Judging brightness