Diamonds described as "full cut" are round diamonds that have at least 32 facets plus the table above the girdle (the rim around the diamond) and at least 24 facets below.
A diamond with the normal amount of facets . A round diamond usually has 58 facets
A diamond or gemstone that has the full 58 facets associated with the standard brilliant cut: 32 facets and a table above the girdle, and 24 facets and the culet below. Also referred to as a full-cut brilliant.