Without the certificate of authenticity, I'd be nervous about buying a stone this expensive.

How to say “Without the certificate of authenticity, I'd be nervous about buying a stone this expensive.” in Japanese

In Japanese

こんなに高い石(たかいいし)だと、鑑定書(かんていしょ)がないまま買(か)うのはちょっと不安(ふあん)ですね。

Konna ni takai ishi da to, kanteisho ga nai mama kau no wa chotto fuan desu ne.

Without the certificate of authenticity, I'd be nervous about buying a stone this expensive. in other languages