The MAXIMA machine-cut chaton is available in a patented 15 facet cut from sizes ss2.5 (6pp) up to ss50. These lead safe stones are amazingly brilliant, with precise sizing and shape and durable coatings and foiling. Using a special technology, these stones have less than 90ppm of Lead and Barium. They are compliant with the following world standards: ASTM F2923-11, ASTM F963-11, CPSC 16 CFR 1303, CPSIA, Directive 209/48EU, OEKO-TEX Standard 100 and more.