All our products are covered by a 1 year guarantee against any manufacturers defect. We strive on perfection to create beautiful works of art and therefore guarantee our workmanship. As with any delicate artistic creations, care must be taken to ensure years of enjoyment. During the 30 day inspection period, when you first receive your item, you should have your item checked to make sure everything is in order. After that, we suggest that you have your pieces professionally cleaned and all the prongs rechecked (looked at) by a local jeweler every six months to a year to ensure their integrity from daily wear. After the 1st year of warranty, If a stone does fall out and you have the stone, we will repair the item free of charge, but you are responsible for the shipping fees to and from us. If a stone falls out and you completely lose it, you are responsible for the cost of the new stone to be replaced and the shipping fee to and from us.