Dress watches commonly have diamond chips, less than 0.1 carat, as hour markers. Depending on your commerce laws, if a watch is advertised as diamond, you can assume that it has some diamonds.
Prices are changing alot for diamonds, but right now an uncut diamond's price is 10,600 gp.
The only substance capable of cutting diamond would be it's self. Now, Lasers can also cut diamonds. But I don't consider lasers a substance.
Diamond prices are going down because machines can now make perfect diamonds. So yeh give it a couple of years and the prices of diamonds will drop.
Yes. There are mining operations at the mouths of rivers that flow over diamond pipes, that have carried diamonds away from the pipe and lie now in sea water. As well, diamonds can be found all along the riverbed between the diamond pipe and the sea.
Most diamonds will come in traditional colors, but you can get custom rocks in any color (they merely add a die to the diamond).
It used to be Jacob the Jeweler. Right now im not sure who it is>
Not all diamonds have identifying numbers etched on them. It depends on whether or not the manufacturer chooses to have it done. You can have your diamond etched on your own if you want to.
You can read about the now-closed Kelsey Lake Diamond Mine, on the Colorado/ Wyoming border, below
Other Diamonds. The diamonds that got messed up when they tried to cut them. Lasers can also be used for parts of the cutting process now, but not for the final cuts and finishing.
The Kohinoor diamond is clear and looks like many other diamonds, except it is way larger. It is now a 105.602 carats.
Some of the largest diamonds have been found in South Africa, particularly in the Premier Mine (now Cullinan Mine). Other notable diamond-producing countries include Botswana, Russia, and Canada. The "Cullinan Diamond," one of the largest gem-quality diamonds ever discovered, was found in South Africa in 1905.
There is a famous diamond, described below, that was known as 'The Austrian Diamond' at one time. This diamond was a fancy yellow stone, originally dealt into European Royalty by the same French dealer, Jean Baptiste Tavernier, who brokered what is now known as The Hope Diamond into European Royalty. There is also a category of rhinestone beads known as 'Austrian diamonds'. Your local jeweler can help you determine whether your beads or rhinestones or diamonds.