Brilliant of modern cut of 1 carat, under seal with wax seal of the laboratory of the Chamber of commerce and industry of Paris bearing n° 85 019. The brilliant is accompanied by its certificate dated 21 January 1980, stating: brilliant 1 carat, Internally flawless, E colour (Exceptional White), no fluorescence, with the following dimensions: 6.66-6.75 x 3.83 mm. The diamond is presented in a burgundy Boucheron pouch, accompanied by a document dated 21 April 1980 with an estimated value of 253,000 francs.