[T]he diamond and other precious stones are focuses of light, and essences of colour which seem expressly created to ornament on a small scale the human body with all the splendours which adorn the universe on a large scale. – Charles Blanc, Art in Ornament and Dress, 1875

A fine quotation is a diamond on the finger of a witty person, but a pebble in the hands of a fool. – Author Unknown

All the luminous the coloured spectacles which the world in the immensity of space can offer us, nature has produced in miniature amongst precious stones. – Charles Blanc, Art in Ornament and Dress, 1875, translated from French

The three rings of marriage are the engagement ring, the wedding ring, and the suffering. – Author Unknown