Brilliant-cut diamond of 5.53 carats, baguette and square-shaped diamonds, French assay mark for platinum (950‰), circa 1925, Cartier case GIA, 2025, report n° 6532730743: 5.53 carats, J colour, VS2 clarity, no fluorescence Remaining diamonds: for an approximate total weight of 1.40-1.60 carat Size/Dimensions: EU ring size 50 / US ring size 51⁄4 Gross weight: 14.71 grams