Education

Plastic Template Gauge (11.05)

The plastic template gauge is a somewhat similar estimating device.

Hole Gauge (11.04)

For rough weight estimates, a hole gauge can be used.

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.

The Millimeter (11.02)

The metric system is the most commonly used measurement base for diamonds (and other gemstones).

Weight is Critical to Value (11.01)

Weight estimation is a critical step in assessing the value of a mounted diamond.

Brown Tones (7.27)

Even the presence of a tint of brown discounts a diamond’s value substantially.