Japan. Tacis is a Japanese brand. Tasiqi is a Japanese jewelry brand founded by Mr. Tazaki on 1954. Tasky's quality comes from precious stones, combining strict selection and processing with the concept of advocating natural beauty. Tasky is the only company in Japan with "high-end diamond cutting technology". The only company in Japan that has the right to purchase DTC rough stones refers to the qualification to directly trade rough stones with De Beers Group, the world's largest rough stone supplier.