You can get LED Diode for 7.99 USD with coupon (from Banggood). Basically copy coupon, view price history or create e-mail price alert. What is best price?
Latest coupon and price update (UTC):
Banggood (7.99 USD)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… I think you want to know if the price is good. Looks like a good price to me (average is 8.14 USD).
Link: Banggood product page
Price: 7.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG589b2e
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
Click here… to search for 500pcs 5mm LED Diode Kit on Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for 500pcs 5mm LED Diode Kit? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).