Platinum Diamond & Sapphire Eternity Ring (3.75 cttw, E-F Color, VVS1-VVS2 Clarity) Free Appraisal and Free Ring Box Automatically Included 30 Day Money Back Guarantee, 30 Day Free Sizing All diamonds and gemstones are hand selected to match in color, size and quality All diamonds and gemstones are conflict free and not enhanced in any way Machine manufactured in the USA using state of the art technology for a precision perfect ring