Genuine Natural Baltic Amber Polished Sterling Silver 925 Limited Collection. Amber is around 40 a 50 millions years old. Large ring stone size: 2.5 cm x 3.5 cm Diameter ring is 20.5 mm Weight: 16 gram Made of selected raw Baltic amber stone and polished. No not contain any additional materials - substations, adhesives, not pressed synthetics, paints or the like. Tests to indicate the natural amber: has characteristic pine resin odor if to heat it; has characteristic color under the UV rays - UV light shows amber characteristic color acetone-resistant. Shipping registered.