Diamond, the best longing for our love and marriage, is just like stamp in life. Meanwhile, diamond also has its higher value in investment and collection. Nowadays, diamond is not the patent for the rich but also for ordinary citizens. Facing various diamonds, how to choose the more valuable one for investment and collection? There are some suggestions to help you.

Fancy colored diamond is the quintessence of all. It is said that when we produce a hundred thousand gem grade diamond, however, maybe have the only one colored. It’s very rarely. For that, today colored diamond is called ‘The most concentrated wealth in the world’. In generally, the rarer in color, the higher in grade; the thicker in color, the higher in saturation. The red series is the most valuable in colored diamond, followed by the blue and the green, while the black is lowest. Compared with the colorless diamond, the price of the colored one with the same volume is more than two hundred times higher. Each colored diamond is unique on earth. Nowadays, the colored diamond is worthy of investment, however, only appear in auction.
To the white diamond, 4C standard is the basic method to measure its value, which means its weight, color, cutting and neatness. Weight is the primary element in them. Generally speaking, the diamond has the value for collection with the weight only above one carat. Besides the weight, the color, cutting and neatness should also be taken into consideration. The color should be above Grade G, which is nearly colorless. The neatness should be above Grade VVS, which means very, very slightly imperfect. At the same time, the cutting grade must get ‘good’ or even better. And so the diamond can be collected.
The suitable preservation is essential after buying. Because the diamond is very sticky with grease, it should be clean per month to keep its gloss.
Dip the diamond into the warm water mixed with detergent and then scrub it lightly by brush. After that, wash it with warm water on filter screen and blot by cloth. With more and more people purchasing diamonds, the company has supplied a suit of cleaning fluid for customers, which is easy to use.











