AGS Light Performance Grading (Examples & Pics)

March 6th, 2008

Amongst the myriad of light performance tools and software, one of the least talked about is the AGS Performance Grading Software (PGS), which allows an AGS cut grade to be assigned to any round, princess or emerald (square or rectangular) cut diamond, without the need an AGS certificate!
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Review of The OGI Firetrace

January 15th, 2008

The OGI Firetrace software is software that predicts the light performance of a diamond using its proportions. Whilst this method isn’t new (DiamCalc, AGS), both OGI and Sarin have “consumer-friendly” (and “dealer-friendly” 🙂 ) versions hat show brightness (white light), dispersion (coloured light) and scintillation (play of light on the surface of the diamond).
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Two Asscher Cuts in The Australian Sun

January 14th, 2008

Recently, we brought in two D colour Asscher cut diamonds for a couple of clients.
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What Makes An “Ideal” Princess Cut?

January 9th, 2008

Out of the most respected labs in the world, no lab apart from the AGS gives princess cuts a cut grade. Therefore, for the most part, consumers usually are left in the dark about the true cut grade of princess cuts. Whilst some dealers may go merely by table and depth percentages, and others by crown height, these numbers alone aren’t the best indicators of a superior princess cut.
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Removing Head Obstruction

January 2nd, 2008

In Ideal-Scope images of round brilliant cut diamonds, it’s common to see 8 black arrows amongst a sea of red.
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World’s Biggest Diamond Found…Or Not?

August 29th, 2007

Yesterday, news broke that an 8000+ carat gemstone was found by a South African property developer.
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GIA vs AGS Certificates

August 21st, 2007

When most people compare GIA to AGS certificates, they immediately think about the grading – that is, the differences in how they grade colour, clarity and cut.
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DiamCalc and Ideal-Scope To The Rescue!

August 20th, 2007

The recently patented Holloway Cut Adviser (HCA) is an online tool that helps consumers determines the cut of a diamond. It is simple and free, but not without it’s flaws.
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Will It Blend? Diamond Engagement Ring.

August 14th, 2007

Although they may rate 10 (the hardest) on the Moh’s scale, it doesn’t mean that diamonds won’t break.

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The Most Ridiculous Item of The Day!

August 13th, 2007

When grading diamonds, proper tools such as proportion analysers to determine cut and master stones or a colorimeter to determine colour should be used.
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