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Join Refermate for free to earn up to 5.88% cash back on every purchase at Tru Diamonds, plus get exclusive member-only deals.
80% Off Sitewide
Get 80% Off Sitewide
70% Off Any Order
Get 70% Off Any Order
Join Refermate for free to earn up to 5.88% cash back on every purchase at Tru Diamonds, plus get exclusive member-only deals.
10% Off Storewide at Tru Diamonds UK
Use code AFFSTUDS in cart and get a free pair of silver stud earrings with your order!
Free Shipping for All UK Customers
Our UK Customers can enjoy free shipping on their orders with offer code AFFSHIP in cart.
Customers enjoy £10 off their orders with offer code AFFTEN.
Offers last updated Wednesday, 14 October 2026
Tru Diamonds currently has 10 current offers listed. Availability and terms can change, so check the offer details before checkout.
One current featured Tru Diamonds offer is "80% Off". Availability and terms can change, so review the offer details before checkout.
Yes, you can earn up to 5.88% cash back on eligible Tru Diamonds purchases through Refermate. The offer and cash back terms determine whether a discount code can be combined with it.
When a code is listed, copy it from this page, add your items to your Tru Diamonds cart, and paste the code in the discount code field at checkout. Check the offer terms to confirm the discount applies.
The offer and store data on this page was last updated Wednesday, 14 October 2026. Offer terms can change after that date, so check the details before shopping.
Tru Diamonds is a United Kingdom (UK) online jewellery retailer specialising in lab-grown diamonds and diamond jewellery. They sell engagement rings, wedding bands and other fine jewellery pieces designed for UK customers.
