Gemstone News Center

Natural diamonds often "hide" in 150 kilometers deep in the earth, and only be formed after billions of years under extremely high pressure and an environment exceeding 1000°C. According to the physicist organization network news, a research team led by the Australian National University and the Roy   Read More>

Are natural diamonds better than laboratory diamonds? If their 4 C's of diamond grading are the same, well at least, they look like the same to the naked eye.1.4C's. It's no easy to compare the color and clarity of Lab grown diamond and artificial diamond.   Read More>

HPHT diamond method simulates the physical conditions under which natural diamonds grow. Therefore, man-made diamonds in theory are more close to natural diamonds. For technical development derives early from the West, diamonds created by this method was given the Chinese names “合成钻石” or “实验室钻石”,   Read More>

First of all, we know that a diamond has one unique feature -- its hardness. Diamonds have a Mohs hardness of 10, while zircon has a Mohs hardness of 6-7. Therefore, we can use their hardness differences to distinguish . Find a gem with a hardness in the middle of them and scratch it on the diam   Read More>