You shouldn't put your name on jewelry because you may break up and then it's hard to sell it.
You shouldn't have jewelry engraved because it makes it harder to sell if you break up.
1) You shouldn't put your name on jewelry because you may break up and then it's hard to sell it.
「宝飾品には名前を入れないほうがいいよ。別れたら売りにくくなるからね。」
2) You shouldn't have jewelry engraved because it makes it harder to sell if you break up.
「宝飾品に名前を彫らないほうがいいよ。別れたら売りにくくなるからね。」
「名前を入れる」は
put one's name on ~
have ~ engraved
have ~ personalized
などと言えます。
「別れる」は
break up
ご参考になれば幸いです！
日本 
