Either you have used HCA and clicked on the warnings link at the bottom of the page, or come from the tutorial. Garry Holloway developed HCA in 2001 to help people sort out and reject likely poo...
Search Results for: Diamond Prices
AGS Ideal Cut
The American Gem Society Lab (AGS) began proportion based Cut grading in 1996 (AGA started earlier) based on Tolkowsky' proportions. The top grade was AGS 0 and the worst was AGS 10. AGS 0's cost a...
Fancies Shapes
The attraction of fancy shape diamonds is largely based on the appeal of the shape itself, although round brilliant cuts are without doubt more brilliant. Larger fancy shapes cost a little less tha...
Ideal Scope
The Ideal-scope is based on a principle discovered by Mr Okuda in the 1970's. A 10x lens with a hot red / pink reflector in front of the diamond has a central viewing hole, which allows you to see...
Do the pavilion mains drive light return in the modern round brilliant?
Article by Karl K. On many websites you will see it said that the pavilion main facets drive light return. Top labs and many grading systems use the pavilion angle as a basis for assigning a cut g...
Do the pavilion mains drive light return in the modern round brilliant? VIEW POST
India: International Distribution Problems
The Internet has bought the world a click away. Shoppers are now offered a huge number of diamond and jewelry options from different parts of the world. A lot more information and the specification...
The Internet and Sales Tax – A Free Ride or Not?
Can you save the sales tax by shopping on the Internet? In nearly every case the answer is no. Shoppers are accustomed to the idea that when they buy something at a store, the merchant will add...
Searching for rainbows and perfection in an imperfect world.
To Vent or not to Vent and Venting Etiquette Let’s face it…we live in a fast paced world. We want it all. We want it right now. And we want it done right. That’s not asking too much….or is it???...
Searching for rainbows and perfection in an imperfect world. VIEW POST
Selling Gold and Platinum Jewelry for the Melt Value
How to know what you are doing Recently I have been seeing a LOT of commercials on the TV about turning your old gold jewelry into a mound of money. “Send us your address and we will send you a s...
Selling Gold and Platinum Jewelry for the Melt Value VIEW POST
Virtual Facets and patterns, a Discussion about step cuts.
This is the next article in the discussion of step cut diamonds. The main goal of this article is to show how virtual facets form patterns in diamonds. This is just a small part of the incred...
Virtual Facets and patterns, a Discussion about step cuts. VIEW POST