Don’t ask her next time, it’s very rude of her to suggest specific expensive items.
She could have given you general suggestions without naming specific high price items.
Then it would be up to you how much you fork out.
Just buy what you think is reasonable and ignore her.
I’ve previously had the same where I’ve asked In-laws and been suggested several ideas of which some are frankly too extravagant.
I just buy what I want now ask don’t ask anymore.
It’s especially annoying when you know you get rubbish from the ones who suddenly have a craving for cashmere…