1) Sealed Diamond Reports Many laboratories these days provide a diamond sealing service after the diamond is tested. A sealed diamond report by the International Gemological Institute (IGI). Usually upon request the stone is sealed together with a reduced copy of the diamond report. This assures the consumers, diamond dealers, jewelers and other professionals in […]
Category Archives: Diamonds
Dr Shihaan Larif Part 1 A diamond grading certificate is defined as a document which proves that some of the physical properties of the diamond has been tested by professionals in an independent laboratory. Nowadays most individuals who shop for diamonds ask for diamond certificates before buying the stone. This is a very good trend […]
In this section I will cover the answers to frequently asked questions asked by our clients, before they buy diamond jewelry. 1) Is it important to learn, educate yourself and ask questions about diamonds before you buy? Try to learn as much as you can about diamonds before buying. It is important to learn about […]
The term clarity of a diamond refers to the size and the number of inclusions in the diamond. The inclusions are also referred to as inperfections of the diamond. Tiny inperfections occur in almost all natural diamonds. These flaws are present due to the incredible amount of pressure during the formation of the diamond billions […]
Introduction to Colored Diamonds and Color Grading of Diamonds The color grading of diamonds is one of the important 4 c’s that forms the basic foundation for diamond grading and evaluation. Here, when we talk of diamond color grading we are referring to the color grading of white and yellow diamonds and not color grading […]
The 4c’s which describes the physical properties or characteristics of a diamond and therefore its value are carat weight, cut, clarity and color. Understanding the 4c’s forms the basic foundation for diamond grading and evaluation. The most valuable diamond is the diamond that possess the best measurement in all the important parameters, which include carat […]
The cut of a diamond is probably the most important ofthe 4 C’s. It is also the only one of the 4c’s that can be influenced by man. The other 3c’s, color, clarity and carat are determined by nature. The cut of the diamond gives it its brilliance and fire. The best cut allows the […]
S/N Name carat weight shape/cut color 1 Golden Jubilee 545.67 cushion fancy yellow-brown 2 Cullinan I 530.20 pear colorless/white 3 Unnamed Black Diamond 489.07 rectangular-cut black 4 Incomparable 407.48 shield shaped fancy brownish yellow 5 Cullinan II 317.40 cushion colorless/white 6 Spirit of de Grisogono 312.24 old moghul-cut black 7 Centenary 273.85 modified-heart colorless/white 8 […]
S/N Name Country/Period of Origin Weight of Rough Diamond Carat weight after cutting Cut/Shape Price realized at last sale or auction 1 Unnamed black diamond 489.07 Rectangular-cut US$1.7 million 2 Spirit of de Grisogono Diamond Central African Republic 587.00 312.24 Old Moghul-cut Stone remains with original owner Fawaz Gruosi 3 The Black Star of Africa […]
Dedicated WebPage for an Up-to-date Table on Famous Blue Diamonds Our website has an extensive resource database on the history of the diamond trade, that also includes well written articles on the history of the famous diamonds in the world. More than 200 famous diamonds have been treated extensively under this section and are listed […]