Entry
CommercialPrice index106.0▲ 1.4% qtr
Q1 2025Q2 2026
Example grade (e.g.)White / Crystal opalPinfire patternUntreated · light tone< 3 ct
Market band$140 to $290 / ct
The Gemius IndexOPL
Opal
Four market segments for opal, Entry to Investor. Each shows its price index, market band and an example grade. Refreshed every quarter.
By market segment
Where a opal lands depends on its origin, colour, clarity, treatment and size.
Mid
GoodPrice index104.0▲ 1.0% qtr
Q1 2025Q2 2026
Example grade (e.g.)Welo Ethiopia / Boulder AustraliaBroadflash / rolling flashUntreated3 – 7 ct
Market band$290 to $970 / ct
Premium
Fine · HeadlinePrice index122.0▲ 4.7% qtr
Q1 2025Q2 2026
Example grade (e.g.)Black opal Lightning RidgeStrong play-of-colorUntreated5 – 15 ct
Market band$1,800 to $6,300 / ct
Investor
Extra-FinePrice index130.0▲ 6.1% qtr
Q1 2025Q2 2026
Example grade (e.g.)Black opal Lightning RidgeHarlequin patternRed dominant flash5 ct +
Market band$6,500+ / ct
Price index base 100 at Q1 2025. Market band is the per-carat range across the segment. Example grades are illustrative, not an offer to buy or sell. As of Q2 2026.
Other gems
See the market data for any other species we cover.
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