These have a bit of a vintage, estate vibe. These measure 10mm (3/8″). The center stone is a sparkly round cut, which is just over one-third of a carat. It is set into a beaded bezel frame. That center is encircled by a diamond-shaped cut out with more synthetic diamond stones set into the outer round frame as well. All of our studs sit on the lobe with a back post for pierced ears. The base is sterling silver sealed in rhodium-platinum so that they resist tarnishing with proper care.
These are seen in the top #5 spot on the strip display photo. This strip, showing all of the various studs right next to each other, should be used to gage the various sizes of the studs visually.