That year summer

Diamond processing procedure is complex, the amount of work is big

On ore mining through careful crushing and grading, and unlike other metal deposits, can be put into large quantities of smelting, but to every diamond blank out one by one and carefully detailed analysis, to determine the next cut plan, to ensure that his weight, clarity and style.pearl jewelry This often requires physical and optical properties of the diamond itself fully understand, very experienced staff to carry out. The general steps are: Design marking; hack sawing and drilling; drilling; drilling; drill; cleaning and grading. This step also includes many small procedures.

Every step needs to superb technology and rich experience. Take the world's most Cooley South diamond, stone weighing 3106 carats, three experienced, superb skills of the craftsmen, working 14 hours a day, took 8 months, it will split it into 4 large drill and 101 bradawl. Some of the world famous diamond processing, often only designed to spend several months, even 1 - 2 years.

To consumers, a diamond's wide experience

According to preliminary statistics, a diamond, from its mining, sorting, grading, processing, sales, selling to the final purchaser,plastic bag manufacturer
involving some about 2000000 people, a diamond is a natural God and the about 2000000 person painstaking care crystallization, diamond is very precious in the.

From the above points we know," a diamond is forever, one is forever" is a fictional word, but there it is. Now introduce some of the world's more famous diamonds.

First, 10 of the world's biggest diamond:

" Cooley south" ( Cullinan ). January 21, 1905 found in South Africa general redmile mine. It is pure and transparent, with pale blue, weight of 3106 carats. Later to be processed into 9 large diamonds and 96 small diamonds. One of the biggest one is called"office furniture African star first", drop, insert in the head of the Royal scepter. Big one is called" African Star II", square, 64, weighing 317 carats, inlaid in the British Imperial crown.

Cloth pulls hillock ligation ( Braganza ). Found in 1725, is the largest diamond found in Brazil. It is almost colorless, with only a very slight yellow, weight of 1680 carats. Later disappear without a trace. It is suspected, the diamond later may have been more authoritative identification, found that it is not a diamond, but a topaz.