This is the pre-peer reviewed version of the following article: Rahmani, M., Miroshnichenko, A. E., Lei, D. Y., Luk'yanchuk, B., Tribelsky, M. I., Kuznetsov, A. I., Kivshar, Y. S., Francescato, Y., Giannini, V., Hong, M. and Maier, S. A. (2014), Beyond the Hybridization Effects in Plasmonic Nanoclusters: Diffraction-Induced Enhanced Absorption and Scattering. Small, 10: 576–583. doi: 10.1002/smll.201301419, which has been published in final form at http://dx.doi.org/10.1002/smll.201301419. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.