A natural pink topaz that has not been treated is exceptionally and exceedingly rare. The rarest imperial topaz in Russia was always the pink topaz. Most of the pink topaz on the market has been irradiated, which fades to white over time. It is important to be very careful when buying natural pink topaz because irradiated pink topaz is being sold as “natural” everywhere in the world, including China, India and Israel. This beautiful pink topaz is a genuine pink topaz that has not been irradiated. It’s cocktail of pink colours will not fade over time. This is a fantastic collector’s gemstone.