I proposed with a recycled ring. If she loves it, and doesn't know the history, is it ok?

Long ago, I made a couple mistakes in a past relationship and I tried winning her back. I proposed twice within 4-5 months apart and she declined both times. I lost someone unique that shows up once in a lifetime.

I was past the deadline of getting a full refund, stayed single for several years but at some point I was getting older (I'm now 39), had desires for a child, a legacy and gave up on the idea of the life I would've had with my first option.

Present-day, I proposed to my current girlfriend after 14 months together. If we wait too long to propose, the woman starts nagging, loses interest and she's gone forever. I wasn't going to make the same mistake again. Though I used the same ring. It's diamond and she likes it. She doesn't know the history and there is no way she'll ever find out. Only my mother and younger brother know it but they aren't ever going to tell her. If she loves it and doesn't know its history, then it's ok?

I proposed with a recycled ring. If she loves it, and doesn't know the history, is it ok?
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