Normal / Sapphire-grey (wild-type)
A variant of Winter white dwarf hamster (Phodopus sungorus)

Representative Winter white dwarf hamsterphoto — a dedicated image of this exact morph isn't available yet.
The wild Winter White colour: a blue-grey back with a clear black dorsal stripe and an ivory belly, which can lighten toward white in winter daylight.
Keeper tips for this variant
The hardiest colour and the diabetes-prone base, so keep treats low-sugar; coat lightening with short day length is normal.