Certain gemstone

The answer to “Certain gemstone” in the USA Today Quick Cross crossword is OPAL — a 4-letter word. It most recently appeared in the USA Today Quick Cross crossword on September 1, 2026 at 5-Across. Below you'll find why that fill fits, every other answer we've recorded for this clue, and links into the puzzle it came from.

“Certain gemstone” answer

OPAL (4 letters)

Use the reveal tiles above to uncover the solution one letter at a time if you'd rather nudge yourself toward it than see the whole word at once. Prefer the full answer straight away? It's OPAL.

What does OPAL mean?

Reading the plain dictionary sense of OPAL is often the fastest way to see why it answers this clue.

When else has “Certain gemstone” appeared?

USA Today Quick Cross reuses clues across dates, sometimes with a different answer depending on the grid. Here's where this exact clue has shown up, and what the answer was each time — handy when you're checking whether today's fill is the only one.

September 1, 2026 (most recent) → OPAL. We haven't indexed another appearance of this exact clue yet.

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