SIGNED TIFFANY & CO. PLATINUM AND DIAMOND ENGAGEMENT TYPE RING. Brilliant-cut round diamond weighing .81 ct. raised by six prongs on bright-polished shank. With stamped Tiffany black suede box and cube-form Tiffany blue outer box. Accompanied by appraisal report stating that diamond is "I" color and "VS-1" clarity - Ring size: 5. Estimate $2,000-3,000