9k yellow gold dress ring set with a 2ct oval London blue topaz measuring 9x7mm, and 0.22cts of round brilliant cut diamonds, FG colour, VS-SI1 clarity. 

This design can be made in 9k, 14k and 18k yellow, white or rose gold, and in your preferred choice of sapphire, aquamarine, amethyst, topaz, citrine, garnet or smokey quartz centre gemstone.