の値段は

the price of ... is

→ の
phrase Uncommon #13,888
the price of ... is の links the price to the preceding noun, and は marks the price as the topic of the sentence.
JA: この本の値段は安いです。
EN: The price of this book is low.

プロ用のカメラの値段は?

How much does a professional camera cost?

— きっと、うまくいく (2009)

金の値段は日ごとに変わる。

The price of gold changes from day to day.

肉の値段はやがて下がるだろう。

The price of meat will probably come down eventually.

このバイクの値段はわからない。

I don't know how much this motorcycle costs.

野菜の値段は日々変わる。

Vegetable prices change from day to day.

その車の値段は高すぎる。

That car is too expensive.

ここの値段はとても高いわ。

The prices here are very high.

その絵の値段はとても高い。

The price of that painting is very high.

ほかの品の値段は、スターランディングより少し安い程度。

The other items are only slightly cheaper than Star Landing.

このネクタイの値段は高すぎる。

This tie is too expensive.

食料品の値段はすぐに下がるでしょうね。

Grocery prices will probably come down soon.