At my 2nd wedding, a boss of mine was very well off, so she loaned me her diamond and topaz bracelet....which was worth thousands.
I knew she was watching a lot, to make sure it was safe.When the wedding was over, I was more than happy to take the thing off, and give it back! :) LOL
I wear my engagement ring, which has a princess cut diamond, my wedding ring, which also has a few diamonds, and a sapphire ring, which is encrusted with diamonds. These are the only expensive pieces I own.