The Sigma Hoops© feature a center row of channel set princess cuts (sapphire center shown) and outer rows of pave` set rounds. The center row of princess cut stones are available in different color options. The stones are set half way around the mounting. Each earring measured approximately 18.5mm in diameter and slightly over 7mm wide. Available in your choice of 14K Yellow Gold or 14K White Gold. Please see menu options below.