145. SAPPHIRE AND DIAMOND RING Adorned in the centre with a rectangular cut sapphire set with two pear-shaped and two baguette-cut diamonds, French hallmark for 18K (750°/00) gold, size 52, shrinkage ring, gross weight 8.42 g. SAPPHIRE AND DIAMOND RING Set to the centre with a cut-cornered rectangular step-cut sapphire, between shoulders set with two pear-shaped and two baguette-cut diamonds, French import mark for 18 carat gold, ring size L½, presence of a sizing ring, gross weight 8.42 grams.