What can I do for you?
I wish to buy a diamond ring.
How many carats diamond do you want?
Two carats.
Is this one suit for you?
No, it seems too old-fashioned.
What about this?
Let me try it on, it's too small for me, haven't you got any larger ones?
Yes, try this one please.
This fits me well, how much is it?
3, 500 yuan.
It's reasonable. Here you are.