Chanel super series ring. According to Chanel official website's inquiry, the ring material is white 18K gold, and the white ceramic ULTRA, which forms a strong contrast between black and white, endows Bai Xinchao's high-grade jewelry series with unique charm, and takes the ULTRA series ring as a luxury model. Chanel white letter ring is a Chanel super series ring. Chanel is a French luxury brand, which was founded by coco chanel in France on 19 10. It owns three categories of high-grade jewelry: fashion products and accessories, perfume cosmetics and skin care products, and watches.