CoolWorld Rewards

Earn rewards when you shop online with CoolWorld.

When you shop online with CoolWorld, not only will you experience hassle-free, premium, online shopping, you'll also be rewarded for the purchase you make payments with Diamond cards through the DIAMOND GEMZONE REWARD PROGRAM.

CoolWorld is proud to be the only electricals multi-channel retailer partnered with Diamond bank GemZone rewards program.

You can earn GemZone points on your Visa Credit Card via POS terminals and online transactions.

To redeem your gem points, please follow the steps below:

  1. Access the GEMSHOP via your GEMZONE account and Login using the login details sent to you when you were enrolled.
  2. View the GEMSHOP Catalogue to see available items and their GEM points value.
  3. Confirm your selection and ensure you have enough points to redeem the selected items. The GEM Points value will be deducted from your GEMZONE account and you will be informed of your current GEMZONE account balance.
  4. Visit the nearest Coolworld store with your E-voucher containing your unique code and instructions on how to pick up your item

Note:  E-Vouchers are valid for only 5 days.

For more enquiries, please visit or call Diamond Bank’s 24 hour s Contact Centre on 07003000000, SMS 30811 or email