の値段が下がった

the price of ... went down

→ の
phrase Rare #35,423
the price of ... went down Used after a noun to say that its price decreased. の means “of,” 値段 means “price,” and 下がった means “went down.”
JA: 最近、ガソリンの値段が下がった。
EN: The price of gasoline went down recently.

オレンジの値段が下がった

The price of oranges has gone down.

豊作の値段が下がった

The price of rice fell because of the bountiful harvest.

コーヒーの値段が下がった

The price of coffee went down.

の値段が下がった

The price of rice has gone down.

好天野菜の値段が下がった

The prices of vegetables fell thanks to the good weather.