stia jewelry wholesale How do you look at the value of the diamond ring: . From 4C, you can see caraat weight The common weight unit of diamonds is carat The bigger the more precious. COLOR GRADE This Leaving aside the color diamonds, the international whiteness and transparency are used as a measurement standard to classify diamonds. Starting from the whitening D -level, the more the diamonds are getting yellow. Clarity grade Muchotic defects according to the internal and external flaws of the diamond. Internationally, the diamond clarity level is divided into 11 levels, starting from the highest level flawless (FL) to the lowest flawed level (i3). The cut grades The cutting is divided into cutting ratio, polishing, modification. Each item has five levels, from the best Excellent to the worst Poor. . It is from diamond certificate . Diamond certificates with general 30 points are only national certificates, and more than 30 points are only available in the United States GIA diamond grade certification. A US GIA diamond grade certification GIA is the founder of Diamond 4C. The appraisal agencies of countries around the world are based on GIA standards. Therefore, diamonds with GIA diamond certificates are recognized worldwide; The national inspection diamond grade certification The national inspection diamond certificate is the most authoritative institution in my country to identify diamond grade, especially for finished diamonds. has a unique 4C 4 standard certification The unique 4C 4 standards of Sun Gold Store.
stia jewelry wholesale How do you look at the value of the diamond ring:
. From 4C, you can see
caraat weight
The common weight unit of diamonds is carat The bigger the more precious.
COLOR GRADE
This Leaving aside the color diamonds, the international whiteness and transparency are used as a measurement standard to classify diamonds. Starting from the whitening D -level, the more the diamonds are getting yellow.
Clarity grade
Muchotic defects according to the internal and external flaws of the diamond. Internationally, the diamond clarity level is divided into 11 levels, starting from the highest level flawless (FL) to the lowest flawed level (i3).
The cut grades
The cutting is divided into cutting ratio, polishing, modification. Each item has five levels, from the best Excellent to the worst Poor.
. It is from diamond certificate
. Diamond certificates with general 30 points are only national certificates, and more than 30 points are only available in the United States GIA diamond grade certification.
A US GIA diamond grade certification
GIA is the founder of Diamond 4C. The appraisal agencies of countries around the world are based on GIA standards. Therefore, diamonds with GIA diamond certificates are recognized worldwide;
The national inspection diamond grade certification
The national inspection diamond certificate is the most authoritative institution in my country to identify diamond grade, especially for finished diamonds.
has a unique 4C 4 standard certification
The unique 4C 4 standards of Sun Gold Store.