Value
Price
noun, の adjective
The kanji and the word are exactly the same. That means they share meanings as well.
価 refers to the monetary value or the price of goods in a transaction. Although it's somewhat old-fashioned and less common these days, you may still see it used in advanced phrases like 価をつける (to set a price) or 一文の価もない (not even worth a penny).
Note that あたい can also refer to a numerical value in mathematics, such as the value a variable or function takes, but it's more commonly written with the kanji 値 in this use.
Since this word is made up of a single kanji, it probably uses the kun'yomi reading. You did not learn this reading, so here's a mnemonic to help you to remember: Okay, this is a great value and price. Wait, what is? A tie (あたい). Get a tie, and it will make you more professional which will help you to get a better job. Great value, right there, just for a tie.
その価には同意できないな。タダ同然じゃないか。
I can’t agree with this price. It's like a freebie.
いやいや、これ、五百万円の価が付いている時計だよ？
No, no, no, this is a watch worth 5 million yen, okay?
春に桜が満開になった時のここからの眺めは、まさに価千金です。
The view from here in the spring when the cherry blossoms are in full bloom is truly priceless.