Ca 1970-1980. A modern cast and hand-assembled 18k yellow gold ring featuring a marquise-shaped fine medium-dark blue natural Thailand sapphire, approximate weight 3.50 cts, with 26 round full-cut diamonds surrounding the center stone and decorating the sides, approximate weight 2.0 cts. In between the diamonds, on each side, are 3 (total 6) square, fine medium-dark blue, natural Ceylon sapphires, total wt. approximately 1.20 cts, ring size 8.5. Approximate total wt. of gold and gems, 8 dwt.