Embrace your journey together with this luxurious platinum 3.00 carat total weight cushion cut laboratory-grown diamond solitaire engagement ring. Featuring an H colour and VS clarity stone in a secure 4-prong setting, this ring radiates elegance. Backed by our Lifetime Diamond Warranty, the laboratory-grown diamond in this ring is also certified sustainability rated. 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.