This ring has been GIA certified and comes with the GIA report dated January 18, 2017. GIA report number 5182116957. Accompanied by a January 25, 2017 appraisal by E.R. Sawyer Jewlers, Santa Rosa, CA with a replacement cost of $87,500. The shape of the main diamond is round brilliant, carat weight is 3.38, color is F, clarity VS1, Cut is Good, Polish is Good, Symmetry is very good. Fluorescence is None. Measurement 9.99-10.10 x 5.57mm. The ring has been in the same family for several generations. The current owner's grandfather purchased it for his wife at Cartier.It was purchased by a New York City Attorney, at Cartier in the late 1960’s. In the 70’s, due to her arthritis, she had the ring resized and the band replaced.