Diamond Anatomy Explanation Diameter Width of the diamond as measured thru the girdle Table Largest facet of a gemstone Crown Portion of the diamond extending from girdle to table Girdle Intersection of Crown Pavilion Defines Perimeter of Diamond Pavilion Bottom portion of the gemstone extending from girdle to culet Culet The Facet at the tip of the gemstone Preferred culet is not visible with unaided eye none or small Depth Height of Gemstone from Culet to Table Crown Angle angle of the Bezel Facet relative to the table plane Pavilion Angle angle of the main facet plane with respect to the table plane The presence of absence of the culet make the diamond either a 58 or 57 faceted one There are differing points of view of whether a diamond needs a culet Some people say that the absence of a culet ensures that light stays within the diamond Other says that the culet being a point leaves the diamond susceptible to breakage because the culet is the most delicate part of the diamond Diameter Width of the diamond as measured thru the girdle Table Largest facet of a gemstone Crown Portion of the diamond extending from girdle to table Girdle Intersection of Crown Pavilion Defines Perimeter of Diamond Pavilion Bottom portion of the gemstone extending from girdle to culet Culet The Facet at the tip of the gemstone Preferred culet is not visible with unaided eye none or small Depth Height of Gemstone from Culet to Table Crown Angle angle of the Bezel Facet relative to the table plane Pavilion Angle angle of the main facet plane with respect to the table plane The presence of absence of the culet make the diamond either a 58 or 57 faceted one There are differing points of view of whether a diamond needs a culet Some people say that the absence of a culet ensures that light stays within the diamond Other says that the culet being a point leaves the diamond susceptible to breakage because the culet is the most delicate part of the diamond Diameter Width of the diamond as measured thru the girdle Table Largest facet of a gemstone Crown Portion of the diamond extending from girdle to table Girdle Intersection of Crown Pavilion Defines Perimeter of Diamond Pavilion Bottom portion of the gemstone extending from girdle to culet Culet The Facet at the tip of the gemstone Preferred culet is not visible with unaided eye none or small Depth Height of Gemstone from Culet to Table Crown Angle angle of the Bezel Facet relative to the table plane Pavilion Angle angle of the main facet plane with respect to the table plane The presence of absence of the culet make the diamond either a 58 or 57 faceted one There are differing points of view of whether a diamond needs a culet Some people say that the absence of a culet ensures that light stays within the diamond Other says that the culet being a point leaves the diamond susceptible to breakage because the culet is the most delicate part of the diamond Diameter Width of the diamond as measured thru the girdle Table Largest facet of a gemstone Crown Portion of the diamond extending from girdle to table Girdle Intersection of Crown Pavilion Defines Perimeter of Diamond Pavilion Bottom portion of the gemstone extending from girdle to culet Culet The Facet at the tip of the gemstone Preferred culet is not visible with unaided eye none or small Depth Height of Gemstone from Culet to Table Crown Angle angle of the Bezel Facet relative to the table plane Pavilion Angle angle of the main facet plane with respect to the table plane The presence of absence of the culet make the diamond either a 58 or 57 faceted one There are differing points of view of whether a diamond needs a culet Some people say that the absence of a culet ensures that light stays within the diamond Other says that the culet being a point leaves the diamond susceptible to breakage because the culet is the most delicate part of the diamond Diameter Width of the diamond as measured thru the girdle Table Largest facet of a gemstone Crown Portion of the diamond extending from girdle to table Girdle Intersection of Crown Pavilion Defines Perimeter of Diamond Pavilion Bottom portion of the gemstone extending from girdle to culet