Coating

Treatments & Enhancements

Definition

The application of a thin surface layer of paint, lacquer, or metallic film to a gemstone's pavilion or girdle to alter or enhance its apparent color.

Detailed Explanation

在宝石底部或腰部涂覆一层薄涂料、清漆或金属薄膜,以改变或增强其外观颜色。