Balzan Gem Laboratory was founded by Cortney Balzan who has been involved with the gem, jewelry and appraising world for over 25 years. Cortney became the first Master Gemologist Appraiser in Northern and Central California in 1983. He was also the first in the world to accomplish the combined titles of MGA, GG, FGA, and DGA. For over 25 years, he consulted one of the largest retailers in the United States doing quality control on all gemstones jewelry received from vendors and doing repairs, stone replacements, and sizing of rings for their stores. Balzan Gem Laboratory provided services to 30 stores and eventually worked with over 100 stores.