It's a rebranded Raleigh.
Is it?? I didn't know there was any connection between Raleigh and Diamondback!. If so, that would surely date the frame to after 1999 then, when they stopped building them in Nottingham.
As far as the general design goes, hi-tensile 26" rigids are all much of a muchness apart from minor geometry variations. Useful utility bikes though, good solid construction, even the low-budget market models.
It's a pretty decent bike for that time. Diamondbacks are now sold in sporting goods stores, but then, it was bike shop quality. I had some early ones, they were on a par with Giant.
https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwiyq4KNzOTiAhXR5-AKHbpcDscQFjAAegQIABAB&url=https://en.wikipedia.org/wiki/Diamondback_Bicycles&usg=AOvVaw0hsU5THA4LuimYjzB4kCosIs it?? I didn't know there was any connection between Raleigh and Diamondback!. If so, that would surely date the frame to after 1999 then, when they stopped building them in Nottingham.
As far as the general design goes, hi-tensile 26" rigids are all much of a muchness apart from minor geometry variations. Useful utility bikes though, good solid construction, even the low-budget market models.