There is no definitive answer to this question as the most expensive color of Pomeranian can vary depending on the breeder and what region of the world you are in. However, some colors can be more expensive than others. For example, a white Pomeranian may cost more than a black one, and a merle Pomeranian could be more expensive than a solid-colored one. In general, the most expensive color of Pomeranian is typically considered to be a sable Pom. This is because sable dogs are considered to be very rare and are often in high demand.