Most gems are minerals and come from the earth, can be very rare and of great beauty. Several hundred varieties of gems exist today and new ones are always being discovered. Only the "hardest" gems are used in jewelry, the others join the collections of specialists and/or amateurs. Baron Designs offers the option of putting natural stones with or without treatment on all its creations or any custom made models. Our gems can be accompanied on request by a certificate of authenticity issued by a certified gemologist.