Ball with 18kt gold plating over silver and faceted amethyst TOUS Basic Colors. Gemstone size: faceted balls 2 mm, central piece 4.5 mm. length: 17.5 cm. Lobster clasp. Piece made of sterling silver with 18 to 23 kt gold plating and a thickness of 3 microns. This quality guarantees a greater durability of the jewel.