The diamond cut ratios, such as girdle diameter, total depth, pavilion depth, pavilion angle, crown depth, crown angle, table size, girdle depth and the other related symmetry parameters, can be calculated with those key corners.
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- 該系統可用于成品鉆石的切工分級、鉆石加工過(guò)程的質(zhì)量檢驗以及作為鉆石銷(xiāo)售環(huán)節中的促銷(xiāo)手段。