Lafonn Pink Ribbon Pink Simulated Diamond Necklace. This Breast Cancer Awareness Ribbon necklace is made of sterling silver bonded with rose gold and comes with an 18 inch platinum bonded sterling silver chain. Contains 1/4cttw of round pink Lassaire simulated diamonds. A portion of the proceeds from every necklace sold are donated to the Susan G. Komen Foundation. All Lafonn pieces come with a full lifetime manufacturers warranty.