“precious / noble” in Japanese is 貴, read ki, tatto, touto (き, たっと, とうと). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 貴族 (nobility).
What does 貴 mean?
これは貴重な品だ。
Same sound, different character — the classic trap. Compare them side by side: