Guillermo is our diamond specialist. He studied jewellery making and repair at North Bennet Street School in Boston, and soon after moved to New York to study Diamonds and Diamond Grading at the GIA campus. His studies include Rough Diamond Evaluation at the Diamond Education College, and Diamond Cutting and Polishing at the prestigious Harry Oppenheimer Diamond Training School. Both Schools are in Johannesburg, South Africa. Guillermo went on to complete the Graduate Gemologist program through GIA. Guillermo loves to play the piano by ear, is addicted to playing tennis and loves to perform magic tricks. Few people in the industry have as great passion for gems and for his clients!. Guillermo came to us in 2011 from Mexico and is fluent in English, Spanish and is learning Farsi. Guillermo likes to say that he does not have customers he has friends.