Looking back on the last five or six years could cause someone in our industry to react in a number of ways, perhaps several simultaneously! The sweeping changes and rate of technological development over the last half-decade or so can only be described as astounding.
For more than two decades, I was a practitioner of the Japanese martial art of Aikido. The style I practiced was focused primarily on the purely defensive and harmonious blending of the ‘attack’ and ‘response’ energies. Most of the appraisers I know also practice some form of self-defence, at least in their appraisals.
In a previous issue of Jewellery Business, I introduced readers to a few of my favourite tools and briefly described some of their uses. Perhaps it’s a good time to provide a bit more detail and delve into specific techniques and how the information they provide can help us do our jobs more efficiently.
Every professional has tools and techniques they consider indispensable to their trade. The world of gemmology and jewellery appraisal is somewhat unique in that many of us are left to figure these out for ourselves.
In the previous column, we looked at how tiny errors can add up to significant problems when dealing with many small stones. This time, we’ll look at the calculations and adjustments that might be necessary when examining diamond centre stones.