Dormith&reg; 925 Sterling Silver 1.081 Carats Heart Australian Fire Opal Pendant Necklace for Women Dormith 925 Sterling Silver 1.081 Carats Heart Australian Fire Opal Pendant Necklace 18'' This amazing pendant necklace is made of 925 sterling silver,100% Australian White fire opal, platinum plated, Antitarnish,the excellent crafts and materials show a top quality. Pendant size: 13*13 mm; Heart Opal size:9*9 mm. Opal weight: 1.081 Carats,total weight:2.99g. Tarnish-free and anti-allergic, lead-free. Guaranted authentic, money-back satisfaction guaranted by Dormith. Designed by Dormith.makes you life more beautiful.