Diamond Rio - SOLD!!! Click to Enlarge Click to Enlarge Click to Enlarge  BREED: Thoroughbred/Oldenburg  SEX: Colt Thoroghbred/Oldenburg Colt  COLOUR: Bay  DOB: Aug 2005  HEIGHT:  DESCRIPTION: Lovely Hunter/Jumper Dressage prospect weanling colt. Grandson to Rio Grande. His dam is also well bred. This stunning young colt should mature 16+. Price: Negotiable