Updated as of June 2026
Opal vs Pearl
| Opal | Pearl | |
|---|---|---|
| Price / carat | $10 to $1,000 | $5 to $500 |
| Hardness (Mohs) | 5.75 | 2.75 |
| Color | White, Black, Fire, Boulder | White, Cream, Pink, Black, Gold |
| Treatment | None for solid natural opal | Bleaching |
The bottom line
Opal and Pearl both make beautiful jewelry. Choose by the look you want first, then weigh hardness against how hard you will wear the piece, and let price settle close calls. Read the full guides for Opal and Pearl.
Frequently asked questions
Is Opal or Pearl more durable?
Opal is harder (Mohs 5.75 vs 2.75), so it resists scratches better.
Which is cheaper, Opal or Pearl?
Opal runs about $10 to $1,000 per carat and Pearl about $5 to $500 per carat, so Pearl is usually the more affordable choice.
Which should I choose?
Pick Opal if you want white tones and Pearl if you prefer white. Match the stone hardness to how you will wear it and let budget break the tie.