All our Brazilian Gold Filled Jewelry is processed with 30-60 Mils of 18Kt Gold. This amount of Gold will make your jewelry last; even in Tropical Climates! We recommend that your Gold Filled be washed periodically with liquid-soap and water. It's Superior to regular plating and much more affordable than regular gold. F.W.J. Gold Filled. Also browse through our selection of Sterling Silver Jewelry as well as our fantastic Stainless Steel Collection.