18k yellow gold 2mm wide white diamond eternity band, bead-set within channel, with flat sides and comfort fit interior, 0.20 tcw, shown between pair of matching 18k yellow gold knife edge bands, each 3.25mm wide with comfort fit interior. Gold bands can be worn with wider edges turned in to  meet edges of eternity band, or turned out for a Retro appearance. By designer Ray Griffiths

 size 5 5/8, can be purchased separately and ordered in any size, or gold color

Diamond eternity band, $2850, NR 12862

Pair of knife edge bands, $2410, NR 12863