... A diamond is made of 99.95% crystallized carbon in its purest form. The Earth makes these precious diamonds deep within its core by combining gases, liquids and crystals to form them in their roughest state. Archduke Maximilian of Austria started this timeless tradition of engagement by giving a diamond ring to Mary of Burgundy. He eloquently placed the ring on the third finger of her left hand as it was believed by ancient Egyptians that this finger contained a vein which led directly to a person’s heart. Mary then accepted his proposal of marriage, thereby starting this tradition of engagement.