This designer ring is made of natural, green color, Baltic Amber and 925 sterling silver. The ring is hand made by a designer in Poland. This ring size is 7.5, and the size of the stone is 1" x 1". The color of Amber depends on the age of the Amber and where the Amber piece was discovered. Our Baltic Amber is 100% natural from Lithuania, guaranteed. Please note since Amber is natural all pieces might vary slightly from the image and may contain natural imperfections.