Education
The Three Characteristics of Diamond’s Color (7...
Hue, tone and saturation are three qualities that must be understood to fully grasp the definition of color.
The Three Characteristics of Diamond’s Color (7...
Hue, tone and saturation are three qualities that must be understood to fully grasp the definition of color.
White Light (7.02)
An object’s color comes from its ability (or lack of it), to absorb and re-emit the various colors of the spectrum.
White Light (7.02)
An object’s color comes from its ability (or lack of it), to absorb and re-emit the various colors of the spectrum.
GIA/GTL Master Stone Requirements (7.12)
GTL will not accept anything less than a .25 carat. A .33 carat would be better and a .40+ carat would be optimum.
GIA/GTL Master Stone Requirements (7.12)
GTL will not accept anything less than a .25 carat. A .33 carat would be better and a .40+ carat would be optimum.
Choosing Master Stones (7.11)
It’s important to understand that specific requirements have to be met before GIA will accept a stone as a master.
Choosing Master Stones (7.11)
It’s important to understand that specific requirements have to be met before GIA will accept a stone as a master.
Master Stones (7.10)
GIA’s Gem Trade Laboratory (GTL), has collected sets of diamonds for the purpose of defining the color grading system.
Master Stones (7.10)
GIA’s Gem Trade Laboratory (GTL), has collected sets of diamonds for the purpose of defining the color grading system.
GIA Color Grading Scale (7.09)
http://gemgate.com/blogs/education/color-in-rough-7-08?_pos=1&_sid=d0f35ca45&_ss=r
GIA Color Grading Scale (7.09)
http://gemgate.com/blogs/education/color-in-rough-7-08?_pos=1&_sid=d0f35ca45&_ss=r