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Diamond Grading
"American Cut - The First 100 Years," by Al Gilbertson, G.G.
60/60 or ideal cut. How do you know what to choose?
A moment of decision is coming
A review of the “foundation” of GIA’s new cut grade system
A screening tool for all diamond grading
AGS' new cut-grading of princesses: a first experience
Black Inclusions in Diamonds
Blue Fluorescence in Diamonds
Buying Diamonds: Consumers’ Problems and a Solution
Cutting Ovals
Cutting the AGS-0-Princess : the experience with the lab
Diamond Grading Labs – A Plan for Peer Review
Do the pavilion mains drive light return in the modern round brilliant?
Fractioning of Color by a Gem
GIA Excellent Cut Grade: Case Study
Grading the Princess Cut
Hearts & Arrows Diamonds - It's not all about light return.
Hearts and Arrows Diamonds and The Basics of Diamond Cutting
Laboratory Cut Grades: What the report doesn’t show
Letter to the Editor of the Australian Gemmologist
Making the case for Imagem diamond grading
Numbers and perception, the case of square diamond-cuts
Scallops
The Camera May Not Lie - But it Tells Different Truths
The Effects of Indexed Upper Half Facets
The intricacies and risks of diamond-cutting
The matter of depth in a princess-cut
The role of contrast in diamond appearance
Upper Halves - Counter Point
Video Article: Paul and Lieve grading sawn rough
Visible Effects of Painting & Digging on Superideal Diamonds
What do you mean diamonds can chip?!
Why a Two-Dimensional Cut Grading System is Passé


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Popular Authors
  1. Garry Holloway
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