This is a piece I got for myself that has only been tried on a few times. The two stones that are bezel set measure as follows: Middle stone: 4.8mm total with bezel Side stone: 3.5mm total with bezel 16” yellow gold rolo chain with a spring ring clasp, stamped 14k/ Italy Please let me know if you have any questions at all, I’d be glad to answer: Email: kris104556@gmail.com