Amazon offers the American Weigh Black Blade 1,000-gram Digital Pocket Scale
in Black, model no. BL-1KG-BLK, for $8.41 with free shipping
. That's the lowest total price we could find in any color by $7. Features include 0.1 gram sensitivity, retractable backlit display, two expansion trays, auto shut-off, and more.
Update: The price has risen slightly to $8.58. Also note that free shipping is available for Prime members. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $5.74.)