Is a man serious about a women if he is looking at rings?

We have been dating for a year and I saw him looking at rings the other day. Then a few days later we were texting and I asked him what he was up to and he said “just laying here looking at rings”. We do not live together yet but have been discussing moving in together. I don't know if he’s planning on asking me to marry him but I’m kind of nervous. I would say yes and would be very happy but what if he doesn’t ask now or something. I don't know!
Is a man serious about a women if he is looking at rings?
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