How to choose a diamond ring 1? First, know how to choose the right style, visit several stores and ask about the more popular styles.
2. Pay attention to the color of the diamond ring, see the purity of the diamond ring, and observe whether there are impurities.
3, choose the right ring support, try it on, but also consider the economic strength.
For a finished diamond, it is classified by 4C standard internationally. These 4Cs include: weight (Caratage), clarity (Color) and cutting (Cat). 4C standard directly affects the quality level of finished diamonds.
1, diamond weight
Calculated in carats (also called cards). 1 carat = 200mg = 0.2g A carat is divided into one hundred parts, and each part is called one point. 0.75 carat is also called 75 cents, and 0.02 carat is 2 cents.
2. Diamond clarity
Also known as cleanliness, it is based on the observation results of diamonds under 10 times magnifying glass. It includes two aspects, that is, the original defects of gemstones and the damage to the diamond surface during processing. There is a uniform mark on the cleanliness of diamonds in the world, which is generally marked in the corresponding position of the diamond morphology map of the appraisal certificate.
3. The color of the diamond
Mainly colorless, white and light yellow. Yellow is a taboo for diamonds, and its fading directly affects the quality and value of diamonds. Therefore, the color of diamond is the primary factor in its economic evaluation. The classification of diamond color is very strict in the international jewelry industry, and all countries have their own corresponding evaluation standards.
4. Diamond cutting
Diamond cutting refers to the accuracy of its cutting and grinding ratio and the perfection after finishing. Good cutting should reflect the brightness and fire color of the diamond as much as possible, and try to keep the weight of the original stone. GIA's cutting grade is divided into ID (standard), EX (very good) and VG (very good) G (good) from high to low, and China's national inspection is divided into EX (very good), VG (very good) and G (good).