Pimp My Ears' Large 925 Sterling Silver 10mm Princess Cut Square Diamond Cubic Zirconia (CZ) Single Stud Earring. This stylish sterling silver 10mm square diamond CZ stud earring is HOT. The stone measures 10mm by 10mm to make sure that it reflects any and all the light it catches. It has a total carat weight of 3.6 carats to make it a fine choice in cubic zirconia earrings. White cubic zirconia cz are manmade flawless stones that look just like diamonds. Only you will know the difference with this stunning stud earring. This men's earring is sure to make any man feel like he is big pimpin.