How are yellow diamonds graded? What is the color grade of yellow diamonds?

How is Yellow Diamond XP calculated? The Yellow Diamond Rating System is marked by LV, such as LV3, and the level depends on the size of the "Yellow Diamond XP". The correspondence table is as follows:

Yellow Diamond Level Lv1 Lv2 Lv3 Lv4 Lv5 Lv6 Lv7 Yellow Diamond XP Open 400 800 1600 3000 5000 7000 Note: Every 2000 points above LV7 The formula for calculating the XP of Yellow Diamond is as follows: E = E0+E1+E2 E:

Yellow Diamond XP (minimum is 0, the next day will show the change in XP) e0: Use XP to increase every day As long as you are using the Yellow Diamond Noble service, the Yellow Diamond XP will increase by 10 points; When you turn off the Yellow Diamond service, your Yellow Diamond XP will be reduced by 10 days. e1：

Opening experience points are doubled (the next day's gift) Starting from October 19, 2007, through Q coins, QQ cards, Q points, online banking, wealth pass, fixed ** way to open the yellow diamond, you can get the yellow diamond experience points opening reward "n * 50 points" n is the number of months of one-time activation. For example, if you open a yellow diamond service for 3 months with Q coins at one time, you can get a reward of "3*50=150 points" Tips:

To obtain experience points, please choose Q coins, QQ cards, Q points, online banking, wealth pass, and fixed ** methods. Other methods of activation (such as mobile phone, PHS, VNET, etc.) are not eligible for this reward! e2：

In order to thank the majority of old Yellow Diamond users for their consistent support and love, QQ Space will give the corresponding basic experience points as a one-time feedback to old users when the Yellow Diamond level system is newly launched. During the period from 2006-8-1 to 2007-10-18, we will give you the corresponding basic experience points according to your cumulative time of opening Yellow Diamond, please refer to the following table for details: Cumulative number of months 1 2 3 4 5 6 7 8 9 10 11 12 and above Bonus basic experience points 30 50 80 100 200 300 500 800 1000 1500 2200 3500

Yellow Diamond Level: Lv1, Lv2, Lv3, Lv4, Lv5, Lv6, Lv7, Yellow Diamond XP: 400 800, 1600, 3000, 5000, 7000

Yellow diamond color grade (lowest to highest):

1. Fancy Light (light color yellow), 2. Fancy (medium color yellow).

3. Fancy Dark

4. Fancy Intense (Intense Yellow).

5. Fancy Deep (Deep Color Yellow).

6. Fancy Vivid (Fancy Yellow).

In transparent and colorless diamonds, the best colors start with d, e, f, g, and the later on, the more yellow the color becomes. Although they are yellow, they are not classified as "fancy color diamonds".

Precautions for the selection of yellow diamonds

1. Sometimes diamond cutting will also affect the color intensity of diamonds, so when buying diamonds, you should choose reliable diamond dealers and brands.

2. To buy yellow diamonds, it is necessary to identify the certificate issued by the laboratory or authoritative organization. This is a basic guarantee for the purchaser, and the certificate will make a clear identification of the 4Cs.

3. The yellowed white diamond is a diamond with a yellow hue that is not pure enough in white, compared with a pure white diamond of the same weight and transparency, its ** decreases with the gradual increase of the yellow tone, while the ** of the real yellow diamond rises with the gradual increase of the yellow tone. But when it comes to collecting, it's important to pay attention to quality when choosing yellow diamonds.

The above content reference: Encyclopedia - Yellow Diamond.