13mm (0.51") top. Crystal bordered. Swarovski Crystals.
This top can be worn on any of the Qudo interchangeable jewelry pieces - Rings, bracelets, necklaces, charms, or earrings.
For answers to frequently asked questions, such as stone sizes, ring sizing, care, & warranty, copy & paste this link into your address bar: http://the-english-garden.com/store/content/20023/Qudo-FAQ%27s/