18K WHITE GOLD, PLATINUM (950) AND DIAMOND ENGAGEMENT TYPE RING. Brilliant-cut round diamond weighing 1.01 ct. of "G" color and "VS-2" clarity, raised by four prongs and surrounded by halo of 14 matched brilliant-cut round diamonds; tri-part shoulders of shank each set with channel of four princess-cut diamonds centered by two rows of eight brilliant-cut round diamonds. Ring size: 6 1/2. Gross wt: 6 dwt. Appraisal information available. Estimate $3,000-4,000