Toi et Moi ring in 850-millimeter platinum set with a modern brilliant-cut diamond (presented loose) and a large cultured pearl, in a setting of thirty baguette-cut diamonds. French work, 1950-1960. Marked by master goldsmith Frédérique Fendler, inscribed 1951. Estimated total diamond weight: 5 ct Finger : 54 - Gross weight : 16.3 g Diamond certified by the Laboratoire Français de Gemmologie as weighing 3.33 ct and of N-R color, SI2 clarity and no luminescence. Diamond size: 9.59 - 9.74 x 5.80 mm Certified by the Laboratoire Français de Gemmologie as cultured, of seawater origin and untreated. Pearl diameter: 10 to 10.2 mm