Diamond Inclusions

American Institute of Diamond Cutting, Inc.


Diamond Inclusions by Nizam Peters


Book Size: 11" x 8 1/2" Hardcover (29cm x 22cm)

Number of Pages: 208 high gloss

Photographs: 278 full color, 30 black and white, 12 diagrams


       This beautifully illustrated textbook was long overdue; an essentail in depth study of diamond inclusions in all its known natural characteristics. The language throughout the book is simple and easy to understand. Both the novice and professional will find its information invaluable. The understanding of diamond inclusions is fundamental to grading finished diamonds as well as rough diamonds. This current work will allow the reader to become familiar with the variety of inclusions that exists in diamonds, what are their typical features, how to identify them and the impact they may have on the finished diamond.

This 208 page book addresses the subject of diamond inclusions by dividing it into four distinct areas.

  A. External Characteristics - Each type of external inclusion  is described with several photographs depicting each inclusion

1. Features that are primarily natural in origin

2. Features resulting from the manufacturing process

3. Features resulting from wear and tear

4. Features that are both external and internal

B. Internal Characteristics - Each type of internal inclusion is described with several photomicrographs depicting each inclusion

1. Features resulting from mineral type inclusions(crystalline and solid) imbedded in the body of the diamond

2. Features resulting from impurities that existed within and around the formation of the crystal

3. Features resulting from structural defects during and after the process of crystallization

4. Features resulting from the manufacturing process and excessive wear and tear

C. This section documents five rough diamond crsytals thru its cut and polished state. The progression of inherent inclusions are tracked from the rough to the cut. Also, how the integrity of the diamond can be compromised by the depth and position of inclusion that may remain in the finished diamond.

D. This section is devoted to the diamond manufacturing process and its relationship to inclusions. In this area inclusions are examined with regard to heat, pressure, directional rotation and other mechanical influences.

The book "Diamond Inclusions" is a resource for the aspiring student, gemologist, diamond graders, diamond dealers, diamond cutters, and retail jeweler.


The author Mr. Nizam Peters has spent over four years primarily photographing and documenting the varieties of diamond inclusions in this current work. He is the author of several other books and the director of the American Institute of Diamond Cutting, an internationally recognized school dedicated to teaching the art of diamond cutting and rough diamond grading.Mr. Peters has been active in the industry for over 36 years from diamond mining operations to retailing. He is a master diamond cutter, versed in all aspects of manufacturing and is a specialist in polishing fancy cuts and fancy colored diamonds.

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