18 karat white gold stretchable bracelet with black diamonds on a rondell. The Flex'It bracelet by Fope stretches and rolls easily on and off your wrist. And, their revolutionary patented technique is made entirely of 18karat gold. Mix and match. Stack two, three, four, or more bracelets of different colors and styles to create your own look. These clasp-free bracelets are the most comfortable bracelets you'll ever wear. 5.0mm in diameter. Round brilliant cut black diamonds weighing 0.41 carats.