In other words, it only plays a supplementary role and is convenient for consumers to understand. Writing "jade" on the conclusion of the jade certificate indicates that it is A goods; Write "jade (pickled and filled with glue)" to indicate that it is B goods; Write "jade (dyed)" to indicate that it is C goods; Write "jade (dipped, glued and dyed)" to indicate that it is B+C goods.
If it is natural jadeite A, the words "A" and "Natural" will be marked on the appraisal certificate.
The "A" in jadeite refers to the natural jadeite products without artificial treatment, and there are also the concepts of "B", "C" and "D".
A goods are pure natural jadeite, only carved and polished. There is no chemical treatment, no artificial forgery such as high temperature and high pressure. It is a natural color, which is called "positive color" or "true color" without dyeing or electric color.
If the jadeite certificate issued by the national authority is not natural jadeite, the result is only "jadeite", and the words "A" and "natural" will not be marked. Only natural A goods will issue the certificate of "Jade" result.
The A goods on the jadeite appraisal certificate refer to jadeite products which are made of natural jadeite and have not been treated by pickling, glue injection and dyeing during processing. Natural jadeite A is the basis for purchasing jadeite, even for maintaining and increasing its value. Therefore, when buying jade, you must bring an authoritative appraisal certificate to ensure that it is a natural jade A.
What is the best way to deal with jewelry and jade?
1. Enhancement is defined as all methods used to improve the appearance (color, cleanliness or special optical effects), durability or usability of jewelry and jade except cutting and polishing. Optimization processing can be further divided into two categories: enhancement and processing.
2. China's national standard defines the optimization of gems as "all methods used to improve the appearance (color, cleanliness or special phenomena), durability or usability of jewelry and jade except cutting and polishing". Optimization processing can be further divided into two categories: enhancement and processing.
3. Optimization treatment refers to all methods used to improve the appearance, durability or performance of jewelry and jade except cutting and polishing, such as color, clarity, transparency, luster or special optical effects. It is divided into two categories: optimization and processing.
4. Optimization refers to various improvement methods to show the potential beauty of gems. Common optimization methods include heat treatment of all gems except jadeite, bleaching of all gems except jadeite, waxing of all gems except turquoise, chalcedony and agate dyeing.
5. All methods used to improve the appearance (color, cleanliness or special phenomenon), durability or usability of jewelry and jade are called optimization treatment, except cutting and polishing of jewelry and jade.
Jade certificate says "optimization or treatment" belongs to what jade?
Only natural A-goods jadeite will be marked: commonly known as "A-goods". If the words "optimization" or "treatment" are written, it means that it is not natural, and it may be B goods or C goods. It is best not to buy such jadeite.
Optimizing jadeite refers to bleaching and waxing jadeite products under specified standards, which is an optimization method. Optimizing jadeite is a traditional and widely accepted production method to show the potential beauty of jadeite.
Yours is natural jade. According to the national standard, jadeite A has three points, and natural jadeite, bleached jadeite and waxed jadeite all belong to the category of jadeite A. Bleaching and waxing are traditional jade processing techniques and belong to jade optimization.
It means: unnatural jadeite, after artificial treatment (pickling, glue injection or dyeing, etc. ), this kind of jade is already fake and has no purchase and collection value.
Wax-soaked jadeite is also classified as "treated" jadeite. If there are no brackets after the name of jewelry and jade, it means that it is a natural item (real goods). If the name of the item on the label is "Emerald Ring Face", it means that the item is a ring face made of natural jadeite, and this ring face has not been glued or dyed.
When the identification results on the certificate are written with the words "optimized jadeite" and "treated jadeite", it is proved that the treated jadeite is not natural jadeite, so it is not A goods. Everyone who buys jadeite wants to be the appraisal certificate of jadeite A goods, so it is necessary to distinguish the authority and authenticity of the appraisal certificate.