Diamond, crystal in matrix - Stock Image - C001/4339 - Science Photo Library

Diamond, composed of pure carbon, is the hardest mineral known, and also the most popular gemstone. It occurs in a unique rock known as kimberlite that was created at great depths and high temperature and pressure. JOEL AREM/SCIENCE PHOTO LIBRARY

Diamond specimen - Stock Image - C013/6634 - Science Photo Library

Diamond crystal structure - Stock Image - C037/8223 - Science Photo Library

Diamond specimen - Stock Image - C013/6632 - Science Photo Library

Natural Sharp Diamond on Matrix from Russia - Fine Art Minerals

Natural Sharp Diamond on Matrix from Russia - Fine Art Minerals

Thumbnail Herkimer Diamond Crystal on Matrix - Diamond Acres Mine, NY

Herkimer Diamond Crystals on Matrix Handpicked Specimen from Herkimer County, NY

Diamond, Crystal In Matrix Photograph by Joel E. Arem - Fine Art America

Diamond, crystal in matrix - Stock Image - C001/4340 - Science Photo Library

Rough Diamond Crystal In Kimberlite Matrix.