This Colours of Love Yellow Gold Yellow Sapphire Fluted Eternity Ring features round yellow sapphires, set in 18 karat fluted yellow gold. In keeping with its fondness for delight, surprise and discovery, Fabergé has concealed a ruby on the inside of the band. The measurements for the shank are 2.7mm in width and 1.9mm in depth. The Colours of Love Collection exemplifies 'A Life in Colour', seamlessly fusing extraordinary coloured gemstones, artistic ingenuity and exceptional craftsmanship. .