Lotus's search the great diamond houses of the world for superior stones. Every diamond is hand selected by our experts for quality and beauty. Most diamonds over 0.5 carat are certified by the Gemmological Institute of America and come with a unique certification code and a GIA Diamond Grading Report.
The world’s foremost Authority in Gemmology, the GIA has its Head Office in New York. The Institute was established in 1931 as the non-profit, educational resource for the gem and jewellery industry. Its aim is to provide the industry and the public with an independent, objective opinion regarding the quality of the diamond. Each stone submitted for certification is carefully checked by numerous professionals to ensure maximum accuracy and grading consistency.
GIA developed the first internationally accepted Diamond Grading System with unbiased opinions regarding the quality of polished diamonds by applying uniform criteria to their grading and the revolutionary 4Cs of diamond value (carat, color, clarity, and cut). It also introduced the foremost diamond report, setting the standard for diamond quality documentation around the world.
The GIA Diamond Grading report means the diamond is evaluated, measured, and scrutinised using trained eyes and optical magnification. A completed certificate includes an analysis of these characteristics:
The GIA’s reputation, and an accompanying GIA Diamond Grading Report, ensures that a decision to invest in a diamond can be made with peace of mind. The foremost experts in the world have assessed the gem on an objective basis and documented its characteristics, allowing purchasing confidence.
GIA reports represent the highest standard of reliability, consistency and integrity. And now, you can quickly and conveniently confirm that the information on your report matches what is archived in the GIA report database providing you with an additional level of assurance. You can also download a copy if you need it for your records.