The adventure We boarded the PoW’s in Delhi for a 1 week round trip. In our carriage there were 4 bedroom / ensuites and a small sitting room that we shared with the other 3 cabins. Breakfast was served there by our 2 room butler guys. We had a couple from NYC, Cydonia and Barry, really switched on and good...
The Palace on Wheels – The adventure CLICK HERE TO VIEW POST
Some time ago, I reported you about our experiences while cutting the first princess-cuts, in order to obtain the new AGS-0-cut-grade. Last week, we received a first batch of six stones back from AGS. Let me tell you how we experience the grading of AGS. 1. The grading system Where the current cut-grade con...
Cutting the AGS-0-Princess : the experience with the lab CLICK HERE TO VIEW POST
This response is written to address the article The Effect of Indexed Upper Half Facets written by Mr. Peter Yanzer. The opening paragraph of the article presents a concept that indexing top halves produces different amount of weight retention. This is correct, although not as dramatic as presented. A diamond cut...
by Peter Yantzer, CG American Gem Society Laboratories Gemstone cutters can tilt or 'index' the upper half ( or upper girdle ) facets. This indexing produces different amounts of weight retention from a given piece of rough and produces different optical performance effects. Indexing can also affect cr...
The Effects of Indexed Upper Half Facets CLICK HERE TO VIEW POST
In the course of this first quarter of 2005, AGS will launch new grading reports for princess-cuts. For the first time in the history of diamonds and grading labs, there will be a cut-grade on a fancy shape.While we are preparing and cutting some princesses in order to get a 0-grade, we are amazed by the major chang...
AGS’ new cut-grading of princesses: a first experience CLICK HERE TO VIEW POST
Memorandum System in the Jewelry Industry Most jewelers and diamond dealers have for decades shared in a system called memorandum or "memo." This arrangement allows jewelers to offer a wider selection of diamonds or other stones without having to carry a large inventory. Image Source: Info Sourcing How Does...
Why Are There Several Dealers Offering the Exact Same Stone? CLICK HERE TO VIEW POST
As some industry leaders are fond of pointing out, a non-H&A diamond can be just as bright under direct lighting as some H&A diamonds. I agree. But that is not the whole story when it comes to H&A diamonds... After all, most people don't carry a set of halogen lights to shine on their diamond at ...
Hearts & Arrows Diamonds – It’s not all about light return. CLICK HERE TO VIEW POST
Market of rough diamonds The first major event of the year was last week’s overall 3% price increase by De Beers’. On top of that, sightholders are looking at an extra charge of probably 2%, in order to contribute to De Beers’ promotional budget. All together, this is already an overall increase of over 5...
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