But while scientists can control the quantum spin of these centers—single defects in the diamond, where nitrogen has replaced ...

This makes the diamond a "super-deep" gem ... Geochemists see the imperfections in diamonds as treasures, providing a glimpse into Earth's inaccessible depths. What jewelers may dismiss as ...

These imperfections add to their uniqueness. The slight variations in color or texture in a mined diamond are sometimes preferred by those who appreciate the organic beauty of a naturally formed ...