Diamonds are best identified by a probe that tests the conductivity of the gem.
The field test for diamond is extreme hardness. Other tests include the use of a probe, which jewelers use to identify diamonds.
Conflict diamonds from Liberia and Sierra Leone are barred from import by executive orders. It is difficult to identify conflict diamonds conclusively meaning that some diamonds sold int he US may very well be conflict diamonds.
Diamonds can be certified as non-conflict diamonds according to the Kimberly Process. In addition, some mines, such as those in Canada and Australia are not in conflict zones, which are found in Africa.
Everything has 'properties' used to identify the object/ item/ mineral/ material.
Yes, finished diamonds may have a lasered inscription, or other mark created by another diamond. Usually, these are used to identify or brand a diamond.
The science involved in diamond mining is geology: a geologist would identify the indicator minerals in a volcanic pipe that could signal the presence of diamonds.
Prospectors in search of diamonds require either title to the land, or permission from the land owner to prospect for diamonds. Diamond pipes are discovered by geologists trained to identify trace minerals that are blasted to the earth's surface, sometimes with diamonds. You can read more about pipes and trace minerals, below.
Raw diamonds come in many forms, sizes, colours and mixtures of geological materials.Take your raw diamond to a certified gemologist, who can help you identify the stone.
You can review the list in the link, below, to identify geographically where the four diamond mines in Botswana are located.
In order to find diamonds in the earth, it's important to understand where to look. Diamonds erupt through volcanic pipes to the earth's surface, where they are 'discovered' by humans. Trace minerals can be indicators that there are diamonds to be found in a geography. In order to explore for diamonds, you must purchase permission from the owners of the land. Then, with a knowledgeable geologist, you can explore the territory and identify where a volcanic pipe might be. Exploring for diamonds is similar to exploring for any natural resource. You can read more, below.
Geologists identify areas in the earth where volcanic pipes exist that contain 'diamond indicators', including kimberlite. Then, diamond miners mine the area for diamonds, usually using industrial-strength mining equipment.
'Chocolate' is just one of the modifiers used to identify the colour of a natural diamond in the larger category of 'brown'. Most raw diamonds found fit into the yellow to brown colour range, as below. Some vendors select a specific hue and intensity of brown diamond and market them as chocolate diamonds. In addition, some diamonds are enhanced to fit into this category. So, in direct answer to your query: yes, and some are enhanced to fit this description. Enhanced diamonds are valued lower than naturally coloured diamonds.