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BuyWisely is your one stop price comparison platform, delivering the best deals from over 20,000 online shops. We empower shoppers to make smart, cost-effective choices by offering transparent pricing, price history, and the latest deals across a broad range of products. With BuyWisely, your money goes further.

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Price comparison

Price data powered by pricesAPI.io

Last updated at 08/05/2026 08:23:17

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Purple Anime

$4.00

Diet Coke 500ML Bottle

Delivery $18.80

Rooleo

$4.13

Diet Coke 500ML Bottle

Delivery $56.39

Snaps

$5.00

Diet Coke 500ML Bottle

Delivery $56.26

acrossthepondfoods.com

$7.73

Diet Coke Bottle (500 ml)

Delivery $27.67

GoSupps.com

$34.57

Diet Coke Soft Drink 500ml Cola 500 ml (Pack of 1)

Delivery between 9–21 May $27.66

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

3 June 2022JB123

originally posted on cateringpacks.co.uk

My husband loves coke but I do worry as the sweeteners in it are very bad for your health. I cannot fault Iceland delivery thats whos got the 5 stars, not the product.

8 December 2022JakeL

originally posted on cateringpacks.co.uk

I only buy fizzy drink cans at 25p or less. Rare to get branded Coke at this price. But a personal voucher plus special offer made that achievable. My kids say this branded stuff is best.

Great
27 February 2022youngy7

originally posted on waitrose.com

Lovely taste, hits the spot. Would have preferred diet but there wasn't any

Specification

Nutritional Information
AdditivesContains Sweeteners
Storage
Storage TypeAmbient

Price comparison

Updated about 2 months ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Purple Anime

$4.00

Diet Coke 500ML Bottle

Delivery $18.80

Rooleo

$4.13

Diet Coke 500ML Bottle

Delivery $56.39

Snaps

$5.00

Diet Coke 500ML Bottle

Delivery $56.26

acrossthepondfoods.com

$7.73

Out of stock

Diet Coke Bottle (500 ml)

Delivery $27.67

GoSupps.com

$34.57

Diet Coke Soft Drink 500ml Cola 500 ml (Pack of 1)

Delivery between 9–21 May $27.66

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

3 June 2022

My husband loves coke but I do worry as the sweeteners in it are very bad for your health. I cannot fault Iceland delivery thats whos got the 5 stars, not the product.

JB123 originally posted on cateringpacks.co.uk
8 December 2022

I only buy fizzy drink cans at 25p or less. Rare to get branded Coke at this price. But a personal voucher plus special offer made that achievable. My kids say this branded stuff is best.

JakeL originally posted on cateringpacks.co.uk
Great
27 February 2022

Lovely taste, hits the spot. Would have preferred diet but there wasn't any

youngy7 originally posted on waitrose.com
Love Diet coke’s
24 June 2023

Popped into Waitrose & bought this on my way home from work. Nice and chilled from the fridge.

Bray63 originally posted on waitrose.com
Nice product I enjoyed drinking it
18 June 2022

I bought this to mix with some drinks , as I like to dilute the alcohol

Joyce42b originally posted on waitrose.com
Review of Coca Cola 500m Diet
13 December 2022

Light and refreshing low in calories can be added to alcohol drinks

Reviewed by Iceland Foods (Verified) customer originally posted on iceland.co.uk
Shameful
14 July 2021

This should never have been sold! Brown water....they are all completely flat. Waste of money!

helehebtkfmp originally posted on ebay.com

Specification

Nutritional Information
AdditivesContains Sweeteners
Storage
Storage TypeAmbient
- 4%
Diet Coke 500ml
Diet Coke 500ml
Diet Coke 500ml
Diet Coke 500ml
Diet Coke 500ml
Diet Coke 500ml
Diet Coke 500ml
Diet Coke 500ml

Diet Coke 500ml

Diet Coke 500ml

$4.00

(61,229 reviews)

Diet Coke will offer you the opportunity to enjoy the deliciousness of your favourite classic drink without the added sugar. This sugar-free soft drink will give your taste buds the same tantalising experience that the traditional beverage gives, without the drawbacks of gulping down unwanted extra calories. Serve cold for a refreshing thirst-quencher minus the guilt!

Diet Coke will offer you the opportunity to enjoy the deliciousness of your favourite classic drink without the added sugar. This sugar-free soft drink will give your taste buds the same tantalising experience that the traditional beverage gives, without the drawbacks of gulping down unwanted extra calories. Serve cold for a refreshing thirst-quencher minus the guilt!

(61,229 reviews)

Diet Coke will offer you the opportunity to enjoy the deliciousness of your favourite classic drink without the added sugar. This sugar-free soft drink will give your taste buds the same tantalising experience that the traditional beverage gives, without the drawbacks of gulping down unwanted extra calories. Serve cold for a refreshing thirst-quencher minus the guilt!

Diet Coke will offer you the opportunity to enjoy the deliciousness of your favourite classic drink without the added sugar. This sugar-free soft drink will give your taste buds the same tantalising experience that the traditional beverage gives, without the drawbacks of gulping down unwanted extra calories. Serve cold for a refreshing thirst-quencher minus the guilt!

$4.00 - $34.57

in 5 offers

The lowest price for Diet Coke 500ml right now is $4.00 at Purple Anime, compared across 5 retailers.

The all-time low was $2.63 on 8 Mar 2026 — today's price is 52% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 8 May 2026.

Size:

4 x 330 ml
8x330 ml
18 x 330 ml
330 ml