"Make sure you get the ring of your dreams with this fun Grow a Diamond Ring from Cheeky Hen! If you don’t trust your man to choose a big enough diamond, drop some heavy hints with this knuckle duster! Simply place this ring in room temperature water and watch. It will begin to grow within two hours and will be full size by 72 hours. Imagine this great diamond ring expanding up to 600% from the original size! The longer you leave it, the larger the diamond you enjoy! A perfect girly gift for any occasion because as we all know diamonds are a girl's best friend. " Place this Grow product in room temperature water and watch. It will begin to grow within two hours and will be full size by 72 hours. Imagine this great diamond ring expanding up to 600% from the original size! This Grow Your Own Diamond Ring make a really fun gift for hen or stag weekends - can't afford the ring she really wants or he simply didn't give you one big enough for your finger, here's your chance to get the size you really want!