Natural Baltic Amber Ring Ring size is 20 mm and is adjustable. Amber stone size: 30x25 mm. Metal silver About Baltic amber Baltic amber is an organic substance, a "fossil resin" produced by pine trees that grow in northern Europe. It has been used in folk medicine for thousands of years. Natural Baltic amber is considered to be the finest and most healing amber in the world. Amber is known for its analgesic, rejuvenating and vitality enhancing effects, as well as its ability to protect against disease. It is appreciated by those who are looking for natural beauty and health.