Modern A. Jaffe Split Shank Pave Diamond Ring Mounting MES017 For 1.50 Carat Round in 18K White Gold.  A. Jaffe Modern Split Shank 18 karat white gold diamond engagement ring mounting (mounting only). The mounting is set with forty (40) round brilliant diamonds in a double pave style split shank cathedral design.  The mounting is currently set with a synthetic stone and is custom designed for a 7.5 mm round. The mounting is signed A Jaffe and is 6.5 grams in weight.