Diamond By yourinfo - Februari 28, 2018 - src: i.ytimg.com Diamond ( ) is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered c...
Engagement ring By yourinfo - Februari 28, 2018 - src: upload.wikimedia.org An engagement ring is a ring indicating that the person wearing it is engaged to be married, especially in Wester...
Diamond color By yourinfo - Februari 28, 2018 - src: thediamond4cs.com A chemically pure and structurally perfect diamond is perfectly transparent with no hue, or color . However, in reali...