The most exceptional combination of natural colour you will ever find; behold the Festiva Blue diamond ring! This extraordinary piece features an expertly-selected cluster of natural orange, green, yellow, an Argyle Lot Numbered pink and, the real show-stopper; an actual Argyle Lot Numbered blue diamond! Arranged beautifully on an 18 karat rose gold band, this collection of natural coloured diamonds is one-of-a-kind; just like you.