Diamond:

Enhances  brain  functions. Aids alignment of cranial bones.

Breaks up blockages in crown chakra and  in  the  personality.

Master  healer.  Dispels negativity. Purifies physical/etheric bodies. REflects will and power aspects of god. Enhances  full spectrum  of  energies  in  body/mind/spirit.  Alignment  with Higher  Self.  Abundance,  innocence,  purity,   faithfulness.  (All)