Education
Plastic Template Gauge (11.05)
Plastic Template Gauge (11.05)The plastic template gauge is a somewhat similar estimating device. Here the series of template figures consist of black outlines embossed on clear plastic. This allows you...
Plastic Template Gauge (11.05)
Plastic Template Gauge (11.05)The plastic template gauge is a somewhat similar estimating device. Here the series of template figures consist of black outlines embossed on clear plastic. This allows you...
Hole Gauge (11.04)
Hole Gauge (11.04)For rough weight estimates, a hole gauge can be used. This is a metal sheet with a progressive series of labeled cutouts (holes) to match the shape of...
Hole Gauge (11.04)
Hole Gauge (11.04)For rough weight estimates, a hole gauge can be used. This is a metal sheet with a progressive series of labeled cutouts (holes) to match the shape of...
Tenths and Hundredths (11.03)
Tenths and Hundredths (11.03)Tenths and hundredths of a millimeter will also be commonplace, especially when reading lab reports. 0.10 mm is a tenth and 0.01 mm is a hundredth.If a...
Tenths and Hundredths (11.03)
Tenths and Hundredths (11.03)Tenths and hundredths of a millimeter will also be commonplace, especially when reading lab reports. 0.10 mm is a tenth and 0.01 mm is a hundredth.If a...
The Millimeter (11.02)
The Millimeter (11.02)The metric system is the most commonly used measurement base for diamonds (and other gemstones). The millimeter (mm) is the increment that the trade uses in measuring lengths,...
The Millimeter (11.02)
The Millimeter (11.02)The metric system is the most commonly used measurement base for diamonds (and other gemstones). The millimeter (mm) is the increment that the trade uses in measuring lengths,...
Weight is Critical to Value (11.01)
Section 11Estimating Mounted Diamond WeightWeight is Critical to Value (11.01)Weight estimation is a critical step in assessing the value of a mounted diamond. If the stone is loose, you could...
Weight is Critical to Value (11.01)
Section 11Estimating Mounted Diamond WeightWeight is Critical to Value (11.01)Weight estimation is a critical step in assessing the value of a mounted diamond. If the stone is loose, you could...