Silver Blue Topaz Teardrop Stud EarringsBlue Topaz Stud Earrings These polished sterling silver stud earrings feature teardrop cut blue topaz stones. Each earring measures 9 mm in height and 5 mm in width, with a slim profile of 2 mm in depth for a comfortable fit. This design is also available with the option of either clear cubic zirconia or deep purple amethyst stones to suit different preferences.