Category Archives: Diamonds

Diamond Buying FAQ’s-Dr Shihaan’s Guide

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 […]

Clarity of A Diamond-Dr Shihaan’s Guide

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 […]

Color Grading of Diamonds-Dr Shihaan’s Guide

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 […]

Carat Weight of a Diamond/Gemstone-Dr Shihaan’s Guide

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 […]

List of Famous Diamonds Greater than 100 carats in weight arranged in descending order of weights

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 […]

Table of Famous Black Diamonds

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 […]

Table of Famous Blue Diamonds both Ancient and Modern

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 […]

Table of Famous Pink Diamonds both Ancient and Modern

Dedicated WebPage for an Up-to-date Table on Famous Pink 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 […]

Table of Famous Yellow Diamonds Greater than 100 Carats in Weight

Dedicated WebPage for an Up-to-date Table on Famous Yellow Diamonds Greater than 100 Carats in Weight 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 […]

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