The diamond is considered to be the hardest thing in the world, but does not mean that diamond is invulnerable, not afraid of anything. When we buy diamond ring need maintenance what problems we should pay attention to? Also asked diamond afraid of fire? Under the environment of high temperature influence on diamond? ” True gold fears not the fire & quot; Refers to the composition is stable, gold nor the oxidation heating condition. But gold when heat melting ChengJinShui, its form has changed. Bright diamonds with other gems incomparable brilliant, and diamond brilliance is also called 'fire'. It can reflect a colorful and dazzling colour light, especially given priority to with downy elegant blue, this kind of phenomenon is the result of diamond dispersion effect. So diamond afraid of fire? Some think diamond is very hard, but in fact it is afraid of heat, diamond at high temperature can sublimate directly disappeared oh. Because diamonds are under the environment of high temperature and high pressure crystallization. So in daily life come into contact with the temperature on the diamond will not cause harm. But diamond heated to 800 ℃ in air will burn, heated to 720 ℃ can combustion in oxygen. To form carbon dioxide gas. In addition, the uneven heat diamond causes cracks, or the original cracks increase, and even cracked. So in the author's warm prompt: your diamond should avoid contact with high temperature above 100 ℃. With diamond knowledge and diamond ornaments in the jewelry.