About C.Dunaigre Certificate
With a rich history of vital experience, Christian Dunaigre Consulting (est. April 2008) is one of the most trustworthy autonomous and proficient gem certification laboratories. Having expertise and experience attained from studying and working at distinguished Gem institutes like AIGS and Gübelin, Mr. Dunaigre established C. Dunaigre Consulting in Switzerland. C. Dunaigre is recognized for its elaborate investigation and grading of gemstones, which makes them the most eminent gemstone certification providers to gemstone and jewelry traders.