Lights not displayed on Sprite

I have a scene that contains 3 elements:

• Main Camera
• A 2D Sprite that renders a single white pixel image, scaled to 2000 x 1000
• A point light with a yellow color

What should be done so that the light is actually rendered on the sprite?

I have recorded a short video showcasing the issue: https://www.youtube.com/watch?v=g2iZB6BXhPs

If you would like to use 3D lighting, create a new Material, and set its shader to Sprites/Diffuse, then assign that material to your sprite.
• I see the material Sprites/Diffuse also affects the Sprites original color. Is there any way to not have that affected? Mar 31 at 19:11
• youtu.be/3R_wgEIRTUs The sprite has a dark blue-ish color before applying the Sprites/Diffuse material. After I apply the material it turns black and it's affected by light sources. But is it possible to keep the original color and have light sources affect over that initial color? Mar 31 at 19:30