This exquisite tennis necklace features total weight of 1.00 carat laboratory-grown diamonds with half the necklace a 10kt white gold chain.Beautifully crafted this necklace will be the envy of all your friends and a piece you will want to hold onto forever. For every LAB. Collection piece sold in Australia, New Zealand and Canada, Michael Hill has committed to planting up to 10 trees with One Tree Planted.