Discover a range of beautiful lab grown diamonds in our new Refined Collection. This exclusive Chisholm Hunter collection includes a selection of 18ct white gold and platinum lab created diamond rings. From lab grown round solitaire rings to oval cut lab created diamonds, you will be sure to make your partner fall in love all over again. These sparkling lab grown diamond engagement rings have a uniqueness as special as your love. Find the perfect lab grown ring for your loved one from our Refined range.