At least with a Chanel bag you can often sell it for the price you paid (with inflation) if you keep good care of it for years. I know this anecdotally. Since

At least with a Chanel bag you can often sell it for the price you paid (with inflation) if you keep good care of it for years. I know this anecdotally. Since there is no scarcity in diamonds you are lucky if you get 50% back.