Opal
Opal is a precious gemstone known for its play-of-color, valued as a treasure with prices varying widely by type such as white, black, boulder, and crystal opals.
Estimated value as of 2026 · Source: Average retail price for common white opal from multiple sources including With …
Fun Fact
Black opals from Australia can exceed $50,000 per carat for exceptional specimens, making them among the rarest and most valuable opals despite comprising less than 5% of production.
Price History
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