World Leading Grading

We believe buyers should feel confident when purchasing a diamond and therefore we strive to offer a level of professionalism and integrity unrivalled in the industry.

Utilising over 130 years of experience, we exclusively grade only natural and untreated diamonds. Our grading combines 21st century technology and techniques with the leading industry standards. This combination of innovative grading systems and transparent published standards, ensures unparalleled accuracy and global consistency in our grading.