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Jogia Diamonds' Blog

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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Our Diamond Engagement Rings – Finishing and Valuation

February 22nd, 2008

Quite often the question arises as to if our engagement rings and earrings come with a valuation, as these are particularly useful for insurance. Read the rest of this entry »

Our Lab: One Year On

February 18th, 2008

Around this time last year, we made a video of our lab and office. Since then, quite a few things have changed.
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Why Are Some of Our Diamonds More Expensive Than Our Competitors?

January 25th, 2008

Occasionally we get asked if we can match a price or give a better deal on a diamond because someone has seen what seems to be a similar diamond somewhere else or on another website.
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Thinking About Buying A Diamond in a McDonald’s?

January 16th, 2008

I’m sure most people would think twice about buying a diamond (or two) from a stranger in a McDonald’s.
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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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Those Evil Online Jewellers

January 3rd, 2008

One of the perils of selling jewellery online is that at some point in time, the customer will need the ring resized, polished, claws tightened and so on. A ring, like a car, isn’t maintenance free. So, they will take it to a local jeweller, who will use the opportunity to try and drum up some business and badmouth online jewellers.
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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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