Introduction.- Geological Summary of Kimberlites and Related Rocks in the Archangelsk Diamondiferous Region (ADR).- Typomorphism of Diamond From Deposits Of The Arkhangelsk Diamondiferous Region.- Defect-Impurity Composition, Optical and Spectrometric Properties of Diamond from ADR Deposits.- Recent Data on Diamond from the M.V. Lomonosov Deposit.- Constitutional Characteristics and Patterns of Diamond Formation in the ADR.- Method of Morphogenetic Studies of Diamond and Associated Indicator Minerals, Its Application to Solve the Problems of Typing Search Halos and Evaluation of the Degree of Diamondiferous Kimberlite Rocks Archangelsk Diamondiferous Region.- Geological Conditions of Formation, and Typing Search Halos and Alluvial Deposits from Unidentified Primary Sources Within the Eastern-European Platform and its Framing.- Afterword