0.43 ct D vs1 according to the accompanying GIA Diamond Dossier 6291412637, size 46, total weight 3 g. With French hallmarks. A case and certificate from Or Du Monde are included, as well as the GIA Diamond Dossier and a Certificate of Origin from the Canadamark with serial number CM-347236 (which is also engraved on the diamond's girdle).
Bruksslitage.