The new blueberry plant variety ‘Ridley 1602’ is provided. The variety a selection resulting from seedlings from the controlled pollination of seed parent ‘Ridley 1403’ (U.S. Plant Pat. No. 25,432) with pollen parent ‘Ridley 4609’ (U.S. plant application Ser. No. 14/999,949). The variety can be distinguished by its outstanding features of strong plant growth vigor, upright to semi-upright plant growth habit, low chilling requirement, very early to early time of flowering and fruit ripening, large to very large, sweet, firm, crisp fruit suited to handling, desirable tasting berries and small picking scar.