  The problem of the physicochemical synthesis of diamond spans more than 200
years, involving many giants of science. Many technologies have been
discovered, realized and used to resolve this diamond problem. Here the origin,
definition and cause of the diamond problem are presented. The Resolution of
the diamond problem is then discussed on the basis of the Little Effect,
involving novel roton-phonon driven (antisymmetrical) multi-spin induced
orbital orientation, subshell rehybridization and valence shell rotation of
radical complexes in quantum fluids under magnetization across thermal,
pressure, compositional, and spinor gradients in both space and time. Some
experimental evidence of this magnetic quantum Resolution is briefly reviewed
and integrated with this recent fruitful discovery. Furthermore, the
implications of the Little Effect in comparison to the Woodward-Hoffman Rule
are considered. The distinction of the Little Effect from the prior radical
pair effect is clarified. The better compatibility of radicals, dangling bonds
and magnetism with the diamond lattice relative to the graphitic lattice is
discussed. Finally, these novel physicochemical phenomena for the Little Effect
are compared with the natural diamond genesis.

Materials Science