Sophisticated and modern, this london blue topaz engagement ring from the neil lane bridal® collection will appeal to your bride's standout style. 14k white gold the cushion-cut natural london blue topaz shines vibrantly at the center round-cut diamonds and milgrain accents adorn the classic shank more round-cut diamonds shimmer on the center stone setting to create sparkle from every angle total diamond weight is 3/8 carat