Rocks Citrine Collection 9ct Yellow Gold Ring With A Cushion Cut Citrine Stone In A Diamond Halo Setting. Add some colour & class to your wardrobe with this stylish & vibrant citrine & diamond ring. The deep colour of this citrine stone with its cushion shape is highlighted by the sparkle & shine of the round brilliant cut diamonds surrounding it. Citrine is associated with positivity and optimism, which is not surprising given its cheerful colour. Citrine has been referred to as the "success stone". Size: M1/2