This is Diamonds&Pearls, another desktop background by Jeff Miles and the Start Gallery. More additions to an ongoing collection of creations. Some of the others include G3 Desktops and RainCatcher which can be found on the Info-Mac archives. To see the complete collection go to The Start Gallery found here:
With the start of this background, all Start Gallery screens will be distributed in the 1024x768 resolution. This will not be a problem with either Decor and system 7.xx, or OS-8 and the Desktop Control panel if you pay attention to the different settings available to you in either Decor or the control panel.