With Hafsteinn Juliusson's grass ring, you'll now have to remember to water not only your plants but your jewelry too! The ring is handmade in Iceland with all pieces made out of silver and topped with a vibrant green moss. But to keep the bright lawn on your finger, you'll have to follow their instructions and take care of the ring. It should stay vivid for up to 8 - 12 months, but they can't guarantee it -- it depends if you have a green thumb or not!