Education
Prospecting (2.03)
Diamond prospecting comes before the mining. New technology has made it more efficient and easier.
Prospecting (2.03)
Diamond prospecting comes before the mining. New technology has made it more efficient and easier.
Introduction
An introduction of this detailed diamond course for the trade or someone who would like to enter the trade emphasizing the necessary knowledge to buy and sell diamonds more effectively.
Introduction
An introduction of this detailed diamond course for the trade or someone who would like to enter the trade emphasizing the necessary knowledge to buy and sell diamonds more effectively.
Introduction to Weight Estimation Formulas (11.07)
The importance of the diamond weight estimate formulas.
Introduction to Weight Estimation Formulas (11.07)
The importance of the diamond weight estimate formulas.
Girdle Thickness Effect (11.08)
With an averaged medium girdle no girdle thickness adjustment, (GTA), is required. If thicker a percentage will be added and if thinner a percentage will be deducted in the weight...
Girdle Thickness Effect (11.08)
With an averaged medium girdle no girdle thickness adjustment, (GTA), is required. If thicker a percentage will be added and if thinner a percentage will be deducted in the weight...
Judgment of Girdle Thickness (11.09)
With a range of girdle thicknesses take an average to use in the girdle thickness adjustment, (GTA).
Judgment of Girdle Thickness (11.09)
With a range of girdle thicknesses take an average to use in the girdle thickness adjustment, (GTA).