1.深度:57.5%-63%,严选60%-62.3% 2.台面:52%-62%, 严选54-58% 3.冠部角度:31.5-36.5度,严选34-35度 4.冠部高度: 12.5%-17%,严选 15-15.5% 5. 底部角度: 40.4-41.8度,严选40.5-41 度 6.底部深度比例: 42.5-44.5%,严选42.5-43.5% 7.星形刻面长度比例:45%-65%,严选50-55% 8.Lower Girdle Facet Percentage腰下刻面比例:70%-85%,严选75% 9.腰围厚度:Thin,Thin to Medium.,Thin to Slightly Thick,Medium,Medium toSlightly Thick,Slightly Thick共六种, 严选 Thin to Medium, Medium, Mediumto Slightly Thick这三种