Princess Royal Blue / Sapphire (China) (earth pony)

is blue with dark pink hair and pink tinsel.  She has a crescent shaped medallion with yellow jewel center and has aqua eyes

Normal US release (pat pend) with dark pink tinsel

Normal release US Release (pat pend) with light pink tinsel

Tinsel Variation comparison
Light pink tinsel / dark pink tinsel thank you to Catra for this comparison shot

Normal release Germany (pat pend removed) dark pink symbol

Normal release Germany (pat pend removed) light symbol owned by Catra permission to use  by Catra

German Variant (pat pend removed) Coral hair with dark pink tinsel

UK Variant (pat pend) green glow in the dark hair with no tinsel, turquoise tail with no tinsel, white plastic symbol, no color to stone

UK Variant, pink hair with no tinsel, turquoise tail with no tinsel, white plastic symbol owend by Moodymand (unable to establish contact with Moodymand), photo borrowed from the Arena Nirvana Gallery

UK Variant (pat pend) green glow in the dark hair with no tinsel, turquoise tail with no tinsel, Clear plastic symbol with green gem (prong in)

UK Variant (pat pend) green glow in the dark hair with no tinsel, turquoise tail with no tinsel, Clear plastic symbol with green gem (prong out, prongs have been broken off) owned by Catra permission to use by Catra

prong comparison supplied by Catra
prong in / prong out (prongs have been broken off)

UK Variant (pat pend missing) pink hair and pink tinsel, long   pink tail with no tinsel, clear plastic symbol with green gem

UK Variant, pink hair and pink tinsel, long light blue tail (it is possible the tail is turquoise in color and appears blue due to the picture lighting), clear symbol with green gem
Owned by Lancer permission to use from Lancer (a better picture will be forthcoming in the future)
 

UK variant with pink hair and possibly fading pink tail, with white symbol (picture from ebay)

 MIB US Release owned by Wysteria- used by permission of Wysteria

MIB US Release owned by Medleysong - used by permission of Medleysong

MIB UK Release owned by LadyGuinevere - used by permission of LadyGuinevere

Normal German Release dark pink symbol, dark pink tinsel owned by Catra   - used by permission of Catra

MOC French  - picture supplied by Catra taken from ebay