| Diamond with cube crystal of carbon element belongs to natural mineral.
Australia, South Africa, India are all the main producing areas of
diamond. America, the Netherlands and Belgium are the bases of diamond
cut, especially Belgium, which is the trade center of diamond cut
as the whole world generally acknowledged. The difference of the qualities
adopt the international rule 4C, that means, carat, color, clarit
and cattiong. We usually appreciate the diamond with the shape of
round, pear, ellipse, heart, horse-eye, triangle, rectangle, emerald
square etc. After the aborative design, it can be inlay the rare jewelry,
such as necklace, earring, finger ring etc. |
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