Eternity Ring in 14ct Yellow Gold featuring 5 Rare and Unique Oval cut Colour Change Garnets each measuring 5 X 4 mm and weighing 2.00 carats together. Colour change garnet is a rare and valuable member of the garnet group of gemstones. It is highly desired for its distinct ability to change colour, depending on the light source. The colours range from Blueish Green to Purple.