Multicolor Amber Pink Blue Lavender and Sterling Silver Adjustable Designer Ring Amber is the lightest and warmest stone that exists, which makes it the most comfortable and attractive gem in jewelry. Amber is good to wear for any everyday life occasion. Blue green amber is coated. Amber stones organic with many shades, so impossible to find two identical, as they change color depending of type of lighting Since this product with amber coated, lacquered finish, you need to take care of the preservation of its color, can not scrape and wash in water with a stiff brush