Closeout Diamond Math Second Edition [Hardcover] by Kenneth A. Glasser, DRE
Kenneth Glasser has refined and enhanced the Diamond Math system of physically measuring polished diamonds to determine a stone's carat weight beyond anything published before. This handy little book packs a lifetime of study into your hands. If you are a buyer of diamonds or deal in second hand and estate jewelry, the Diamond Math Second Edition book is a must in order to quickly and accurately calculate the carat weights and values of set stones. Use with all brands of gem gauges.
From Kenneth Glasser:
"We have done most of the work for you! This is the most organized, largest and accurate collection of diamond cut/shape weight to ratio charts ever published. All you need to do is measure the diamond, look up that shape and compare it to the appropriate chart.
Diamonds have a specific gravity (density) of 3.515 grams per cubic centimeter or 17.575 carats per cubic centimeter or 17.575 carats per cubic centimeter. The term Diamond Math is about the ratio relationship of a given diamonds volume to weight. The calculations of Diamond Math are extremely useful in order to determine the approximate weight of mounted cut and polished diamonds. Gemologically this ratio plays an important role in diamond identification. Diamond Math is essential (absolutely not optional) in determining the production value of gem quality diamond rough as well as many grades of rough industrial diamonds. The trained, well versed professional tradesman uses Diamond Math in all envionments, whether it is a city office or in the field at a mining operation."