PLATINUM AND DIAMOND TWO-STONE RING. Old mine cut diamond weighing 2.60 ct. with old European cut diamond weighing 2.30 ct. Old mine cut diamond of H/I color and SI-1 clarity; old European cut diamond of L/M color, SI-1 clarity. Diamonds set vertically in six-prong heads on platinum shank of 5 1/2 size. Accompanied by appraisal certificate from Secrete Jewelers, Bethesda MD. Estimate $12,000-18,000