Hello, the biggest trouble that can happen to you (assuming you have chosen the right and reliable online store) is that you don’t like the style or appearance of the jewelry, or maybe it just doesn’t fit. Be that as it may, you are only looking at the photographs. I would recommend visiting
https://shop-lc.pissedconsumer.com/review.html to read customer reviews who have bought jewelry online from one of the most famous stores.