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
Boulder Opal Ring – Bright Red Rolling Flash 18k Gold‑Plated 925 Silver
Boulder Opal Ring – Bright Red Rolling Flash 18k Gold‑Plated 925 Silver
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Firerise - A boulder opal that looks like a red flame swirling upward through blue and green, its rolling flash rising like molten colour inside warm gold.
This polished boulder opal doublet ring features a vivid oval stone with strong red rolling flash, accented by blue, orange and green.
With brightness 5, the colour play is exceptional - fiery, saturated and full of movement.
The 7 × 5 mm opal sits in an elegant 18k gold‑plated 925 silver setting, giving the ring a warm, premium finish that enhances the opal’s intensity.
A miner‑direct piece with a bold, colourful personality, perfect for statement wear or gifting.
Ring size:
- UK Q
- US 8.5
- EU 58
- Asia 18
Features:
- Opal Type: Boulder Opal
- Format: Doublet
- Colour: Red, Blue, Orange, Green
- Pattern: Rolling Flash
- Shape: Oval
- Finish: Polished
- Brightness: B5 (of 5)
- Stone Dimensions: 7 × 5 mm
- Fitting: 925 Silver, 18k Gold Plated
- 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