Diamond is the hardest gemstone, which is formed from in the very high pressure and very high temperature. Even it is sold in high price, but most of marrying couple would choose diamond rings for their wedding rings. Besides its beautiful sheen that will make them proud to wear it, the strong character philosophy of diamond is expected to be happened in their marriage life. As the strong diamond last against other materials’ scratches, so does the marriage is expected to be strong in facing the marriage life with all happiness and sadness. For its toughness, diamond is a symbol for the power of love.