Education
Cut Grade (5.42)
The research of the cut grade system by GIA included a ray-tracing program and computer modeling programs. Eventually it came down to human observation.
Cut Grade (5.42)
The research of the cut grade system by GIA included a ray-tracing program and computer modeling programs. Eventually it came down to human observation.
Crown Angle (5.10)
At 34 ½˚, the angle of dispersion is excellent but as GIA has formulated there are many other variations that are acceptable for an excellent cut grade. At 30˚ one...
Crown Angle (5.10)
At 34 ½˚, the angle of dispersion is excellent but as GIA has formulated there are many other variations that are acceptable for an excellent cut grade. At 30˚ one...
Diamond Trade Language in Weight (4.07)
The diamond trade uses a certain jargon to describe carat weight of a diamond. For example points instead of saying zero point eight seven carat would would say eight-seven points....
Diamond Trade Language in Weight (4.07)
The diamond trade uses a certain jargon to describe carat weight of a diamond. For example points instead of saying zero point eight seven carat would would say eight-seven points....