For your parents' 60th wedding anniversary, you may consider various meaningful gifts to celebrate their remarkable achievement. Since it is referred to as the diamond anniversary, jewelry featuring diamonds would be an obvious choice. A diamond necklace or bracelet for your mother and a pair of cufflinks or a watch with diamonds for your father could be thoughtful options. Additionally, planning a special family gathering or surprise party can create unforgettable memories where all their loved ones come together to honor their six decades of love and commitment.