1989 ring:

Base: 8 diamonds in shape of Lawerence O'Brien trophy; red & blue Pistons logo behind diamonds; date and 'Detroit Pistons World Champions along outer edge
Left Shank: 'Bad Boys in raised lettering at top; below that is Pistons logo and 'DET 4 LA 0'; Palace logo below that; 'Defense' under Palace Logo
Right Shank: player's name in raised lettering; NBA logo and season record (63-19) under name; followed by playoff record (15-2)

1990 ring:

Base: dates '89' and '90' split showing 2 title years; 20 1-pt bazel diamonds and 123mmx11mm ruby center stone with 60 pt square plug diamond
Left Shank: 'Back to Back' in raised lettering at top; below that are 2 O' Brien trophies and NBA logo; team record (59-23) at bottom
Right Shank: player's name in raised lettering at top; surrounding the NBA logo are 2 ribbons reading 'Detroit 4' and 'Portland 1', the Finals results; at bottom is the player's number