Happy New Year - Shop 40% Off Clearance and 25% Off Stock Items - T's & C's Apply

Happy New Year - Shop 40% Off Clearance and
25% Off Stock Items - T's & C's Apply

CARDIFFST David’s Dewi Sant
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Welcome to Diamond Heaven’s Cardiff store - where skilled jewellers and diamond enthusiasts collaborate to produce some of the finest jewellery in Cardiff. Located in St David’s Dewi Sant shopping centre, our experts are passionate about creating pieces you’ll treasure forever. Bespoke designs that are masterfully crafted - you can experience the exceptional quality and radiance of our diamond jewellery at our luxury showroom. Want a free design consultation? Book an appointment online to secure your spot or visit us in the city centre, where our team will be happy to assist you.

About Our Cardiff Store

At our Cardiff jewellers, we take great pride in producing lasting, luxurious diamond jewellery. Our expert jewellers meticulously craft each piece to maintain the impeccable quality our customers have come to know and love. Pairing precious stones with classic designs, our enchanting range of rings, necklaces, earrings, and bangles are the perfect choice to add a touch of sparkle to any outfit or occasion.

Ready to pop the question? Our experts are on-hand to help you find an engagement ring that effortlessly encapsulates your unique love story. Book an appointment online and secure a free design consultation with our team.

Upon entering our showroom, our team will warmly welcome you and your party - offering their advice and expertise at your request. Along with viewing our radiant diamonds, you will also be able to try them on at your leisure, to ensure you find the perfect piece for you or your loved one.

The in-store experience

At Diamond Heaven, we understand the care and consideration that goes into buying a piece of diamond jewellery. That’s why our experts are on-hand to guide you through every step of the diamond buying process. From evaluating the 4 Cs, to capturing your personal style – our team will ensure you leave our store satisfied.

Considered one of the finest jewellers in Wales, we believe our store stands out from other chains and retailers! But don't just take our word for it – read reviews from our valued customers, as they share their experience at Diamond Heaven.

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Monday 9.30 am - 6.00 pm

Tuesday 9.30 am - 6.00 pm

Wednesday 9.30 am - 6.00 pm

Thursday 9.30 am - 6.00 pm

Friday 9.30 am - 6.00 pm

Saturday 10.00 am - 6.00 pm

Sunday 11.00 am - 5.00 pm

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Diamond Heaven

Unit 14

St David’s Way


CF10 2DP

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At Diamond Heaven, We offer number of services from bespoke consultation session with a DH expert to aftercare services including

  • Bespoke Design Consultation
  • Resizing
  • Cleaning / Polishing
  • Safety Check
  • Engraving
  • Repairs
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Best sellers in store




Discover our in-store bestsellers, featuring popular designs that don’t age. Crafted with passion and precision, start your search for the perfect piece in our Cardiff jewellery store.

View all Engagement Rings
View all Diamond Rings
View all Wedding Rings
View all Eternity Rings
View all Earrings
View all Pendants
View all Bracelets