adsup

วันอาทิตย์ที่ 16 กันยายน พ.ศ. 2555

The classification 4Cs of diamonds part1/2

Diamon


Basic knowledge of Diamond

As the diamonds are rare valuable stone and also are self-characteristics, it is very exquisite and this caused most people have the desire to possess them with good quality.

But to choose a valuable diamond with accurate based on the principle, you have to consider several factors of them and this may trouble to you.
In order to selection and purchase the diamond or diamond jewelry by infallible, we have presented how to select the gorgeous diamond for you here.
At first glance, you have to know the 4Cs of diamond. What is the 4Cs? Well, please read the following as hereunder.

The 4Cs of diamond are composed by Clarity, Carat, Color and Cut. The diamond industry used them for grading and classifying diamond quality.

Clarity :  Most diamonds have some inner flaws and the number of them is determined the clarity of this rare valuable gemstone. 

The diamond’s classification is based on the inner purity. According to international standard, this can be classified as follows.

1.Flawless (FL) : The best diamond, this is the most beautiful diamond elite. No marks or blemishes inner and outer of diamond jewelry when viewed under 10x magnification (10X) by diamond loupe.

2 .Internal Flawless (IF) : This is the beautiful diamond. No marks or blemishes inner of the diamond when viewed under 10x magnification.

3.Very Very Small Inclusion (VVS1 / VVS2) : This diamond quality has the level of diamond’s inner impurity as very  very less then visible without 10x magnification by diamond loupe and also quite takes a long time to find its blemishes that depending on the expertise of the examiner . It can be classified into Level1 and Level2 respectively. If there are very little inner blemishes can be used VVS1, more obvious will use VVS2. 

4.Very Small Inclusion (VS1 / VS2) : The impurity level that cannot be seen by the normal eyes. We have to use diamond loupe to examine them with 10x magnification.  However, it takes time less than VVS level to find the inner blemishes. However the flaws can be seen more clearly than diamond’s VVS level and maybe has various colors in the blemish.

5.Small Inclusion (SI1 / SI2) : The diamond level of impurity that can be seen immediately under 10x magnification and some cases can be seen with normal eyes. However the small size may be observed by using white paper lay over and looking up to the light to see clearly. In the eyes of inexpert, may take a long time to notice.

6.Inclusion (I1 / I2 / I3) : The diamond impurity level that can be clearly seen with normal eyes. There are a lot of blemishes which can be observed easily.

ไม่มีความคิดเห็น:

แสดงความคิดเห็น

adsbottom