The best gemstone certifications
Whether you’re looking at an outstanding sapphire or a perfect diamond, the gems often have certifications that prove their origin, grade or even rarity.
There is a list of the most-equipped, experienced and respected laboratories in the world. Their gemstone certifications are definitely trustworthy.
▫️ The GIA (Gemological Institute of America) is the most respected and renowned institute dedicated to research and education in the field of gemology.
▫️ The AGL (American Gemological Laboratory) is one of the most famous and reliable gemological laboratories in America.
▫️ The Gubelin is the oldest gemological laboratory from Switzerland, one of the foremost authorities in colored gemstone authentication.
▫️ The SSEF (Swiss Gemological Institute) is another leading laboratory in Europe that issues reports for diamonds, colored stones and pearls.
▫️ The GRS (Gem Research Swisslab) is a private independent gemological research laboratory, specializing in the determination of origin and authenticity reports for colored gems.
▫️ The HRD (Hoge Raad voor Diamant) based in Antwerp, is the leading European authority dedicated to grading of diamonds.
▫️ The IGI (International Gemological Institute) is the largest international laboratory for diamond and colored gemstone certification.