Before buying diamond, should consult seriously the photocopy of certificate or carbon, because this is you,ensure assure exclusively of diamond quality and value. Diamond certificate, also can call diamond to classification certificate (Diamond Grading Report) , diamond guarantee of quality (Diamond Quality Report) , it is by gem experts pass canvass diamond, issue its park magnifier the dimension that analyses it, clean degree, cut labour, color, polish, symmetry and other character, a report that forms thereby. It is here, the diamond that you can browse us to be offerred to you classifications certificate. Continue to browse understanding more to classification about diamond of avery kind of please certificate.
Certificate of GIA diamond grade, by American gemmology courtyard (GIA) is signed issue.
Certificate of HRD diamond grade, sign by parliament of Belgian diamond high level issue.
Certificate of AGS diamond grade, by the United States Bao Yushi is learned to sign issue.
Certificate of IGI diamond grade, by international gemmology the courtyard is signed issue.
Certificate of EGL diamond grade, by European gemmology the courtyard is signed issue.
NGTC enchases diamond to classification certificate, supervise by quality of national jewelry jade examine the center is issued.
CTA enchases diamond to classification certificate, by alliance of Chinese quality inspection bullion gem is detected the center is issued.
GJC headgear detects certificate, supervise by quality of headgear of jade of gem of national light industry detect the center is issued.
GAC enchases diamond to classification certificate, issue by association of Chinese treasure jade.
Calibration certificate of GTC treasure jade, detect by gem of chamber of commerce of industry of jewelry of business association of China whole nation the research center is issued.
GIC enchases diamond to classification certificate, by Chinese geology big gem of university Beijing ground examines the center is issued. How do Chinese country check, GIA and HRD classification to diamond?
Chinese country check uses Chinese authoritative standard to classification to diamond, authoritative standard of GIA use United States gifts to diamond diamond grade, HRD uses international diamond standard to classification to diamond, brand gem uses the information of respect of 3 grade certificate, offer diamond to cut class grade to help you manage the world to you top class standard compares diamond.
