Fellow Selling Sunset lovers will remember the furore that Romaine’s purchase of a moissanite, rather than diamond, ring for then-fiancée Mary Bonnet caused. In fact, diamonds only became the “go-to” ...

Add Yahoo as a preferred source to see more of our stories on Google. A high school student has been wreaking havoc among his teachers with a $16 gadget that can supposedly tell whether a diamond is ...