Diamonds

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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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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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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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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Readers of this blog may think that we are the world’s number 1 Ideal-Scope fans. To counter-act such claims, we’ve made this list of top 10 reasons why the Ideal-Scope sucks.

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A common question that we get asked is “Do you sell Argyle diamonds?”.

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The Angular Spectrum Evaluation Tool (ASET) from AGS assesses the cut quality of a diamond in much the same way as the Ideal-Scope, using reflection technology.

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Despite the cost and advancements in technology, gadgets such as proportion analysers and The BrillianceScope still have a margin of error built into them that needs to be verified with old fashioned tools such as micrometers.

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The GIA will give any round diamond a maximum cut grade of “Very Good” to a diamond with a “Very Thin” girdle.

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If you think there’s only a handful of shapes to choose from when buying a diamond, think again.

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