International diamond grading certification
JOY COLORi lab-grown diamonds are professionally graded by international diamond grading institute. With international certificates, every diamond has a certificate number on its girdle. It means that from the growth to being embedded in the jewelry, the diamond’s origin is completely traceable.
International diamond grading certification
JOY COLORi lab-grown diamonds are professionally graded by international diamond grading institute. With international certificates, every diamond has a certificate number on its girdle. It means that from the growth to being embedded in the jewelry, the diamond’s origin is completely traceable.
The GIA Report
GIA (Gemological Institute of America):
The GIA is a non-profit organization from the U.S. with diamond grading and gem identification services. It rigorously maintains the standards set and evaluates diamonds from around the world fairly. The revolutionary diamond research of the GIA and its education, experiment, and equipment development progresses is basically a chronicle of the jewelry industry.
· The GIA is the world leader of gemology.
· The GIA invented the 4Cs of diamonds which have become a global guideline.
· The GIA is a non-profit organization, independent from commercial and private interests.
· The GIA has passed a global quality standard to provide fair gemstone grading.
· The GIA iD100 ® combines advanced spectroscopic technology with gemstone identification research to distinguish mined diamonds and lab-grown diamonds.
Gemological Institute Of America
The IGI report
IGI (The Institute of Gemological):
IGI is the world’s largest gemstone grading organization, driven by understanding the customers’ needs and known for its reliability and quality. Their certificates provide complete customer protection.
· IGI was the first to start grading lab-grown diamonds, providing them a real and standardized foothold.
· IGI is a certification organization that guarantees global report consistency.
· IGI owns the most gem grading labs in the world.
· IGI has joined the Responsible Jewelry Council and it works with SCS Global Services to reduce its labs’ impact on the environment.
GCAL report
GCAL (Gem Certification & Assurance Lab):
The Gem Certification & Assurance Lab from New York, the U.S., is a highly reliable lab recognized by the world. The unique thing is that the GCAL certifies all kinds of gemstones. Every year, the GCAL’s methods and procedures are independently reviewed to comply with the ISO 17025 lab certification standards.
· The GCAL founder often certifies gemstones for various governments, insurance agencies, and underwriting services.
· The GCAL has a zero-tolerance 4C’s consumer guarantee. It’s a completely independent third-party grading agency.
· The GCAL has joined the Responsible Jewelry Council. When customers and dealers are in dispute, its reports can be used for arbitration.
The HRD report
HRD (Hoge Raad voor Diamond):
The HRD from Belgium is a leading authority in Europe in diamond grading, education, and equipment. Its certificates are based on ISO standards for diamond grading and are the most popular diamond certification in Europe.
· The HRD issues two sets of numbers for each diamond, one for the customer and one for the girdle of the diamond to guarantee the objectivity of diamond grading.
· The copy of each diamond certificate will be kept by the agency for 10 years. Customers may request certificates from the HRD database.
