There are many facets to a consumer- vendor relationship that come into play when buying a diamond. My goal is to help you gain some understanding of what is involved in forming a solid working relationship with a vendor, as seen through the eyes of vendors themselves. To get their perspective, I posed the question ...
The visual appearance of "Excellent to Very Good cut quality" old European cut diamonds have the effect of returning sufficient light to somewhat equate them to Modern Cut Class 1-2 range stones. "Normal & Acceptable cut quality" old European cut diamonds are somewhat equivalent in light return and visual appear...
Screening chart for Old European Cut diamonds CLICK HERE TO VIEW POST
In a round stone, the depth of a stone, measured as a percentage of the diameter, is a direct indication of the spread of that stone. Basically, one could say that a higher depth means a lower spread, while a lower depth indicates a higher spread. Unfortunately, using well-known and tested procedures for rounds...
The matter of depth in a princess-cut CLICK HERE TO VIEW POST
Mumbai We arrived in Mumbai (Bombay) on the 12th of Feb. after our train journey on the Palace on Wheels in North India, 3 kilo's heavier and ready to buy diamonds. I have tried to capture a few of the interesting things we have seen around Mumbai. Here Drena is standing behind a mobile Disco, available for ...
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
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