Preciuous 925 silver ring with faceted tanzanite. The stone is all natural , not heated , not colored. Tanzanite is not deep blue in color and with natural inclusions because is not been treated. Inside ring diameter : 16 mm Size tanzanite drop : 9 x 6 mm Weight ring : 2.7 g Note : the tanzanite is a pleochroic mineral, therefore its color varies from blue to blue-violet , also depending on the type of light source. Ring photographed under bright light. The ring is and handmade , made in Italy.