Boucheron, diamond ring, French c. 1940, platinum shank and mount set with a central marquise diamond, two shoudler round brilliant cut diamonds all within a border of forty six single cut diamonds, marquise diamond 1.70 carats colour F clarity SI1 two round diamonds 2.10 carats colour G clarity VSI forty six single diamonds 0.25 carats size 'N' weight 8 grams