Accessorising your Diamond Jewellery: Is Sapphire your shade of blue?
Sapphire Season Has Arrived 💙As we step into September, sapphire takes centre stage—bringing its bold blues, rich history, and royal drama along for the...
SIGNATURE PIECES
Sparkle & Love
Find the symbol of your love with our collection of diamond engagement rings and wedding jewellery. Crafted with careful attention to detail, each design brings together the beauty of diamonds with a style intended to be worn, loved and remembered.
From an emerald cut diamond engagement ring to jewellery chosen for the wedding day itself, explore our collection online and find a piece that feels right for your story.
Whether you are shopping for diamond jewellery from London, Mayfair, Chelsea or further afield, our online collection makes it easy to discover Upon a Star designs wherever you are.
Customize Your Diamond Piece
Some of our exquisite pieces are custom-made just for you. If you have a particular idea in mind, fill out our custom order form and tell us what you would like to create.
At Upon a Star Diamonds, we are committed to quality, thoughtful design and working with sustainable materials. A custom order gives you the opportunity to create diamond jewellery around your own ideas, whether you are looking for wedding jewellery, a special gift or a piece that is simply yours.
From our London base, we work with customers looking for personalised diamond jewellery online, including customers in Mayfair, Chelsea, across the UK and internationally. Share your ideas with us and let us create something beautiful together.
Contact Us Today
If you have any questions or are ready to create a unique piece, please do not hesitate to contact us.
Find luxury diamond jewellery that reflects your style and personality, whether you are shopping online from London, Mayfair, Chelsea, the wider UK, USA, Europe or beyond. Our collections include natural and lab-grown diamond jewellery, engagement rings, wedding jewellery and pieces designed to bring something distinctive to your everyday style.
Free UK shipping is available on orders over £100, with international shipping available for customers around the world.
Reach out to the team if you would like help finding the right piece or want to discuss a custom design created especially for you.
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QUALITY
A commitment to offering high-quality diamonds and jewellery crafted with precision and careful attention to detail.
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INTEGRITY
Honesty and transparency across our approach to diamond sourcing, pricing and customer service, helping you shop for diamond jewellery with greater confidence.
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EXCLUSIVITY
A collection of unique and exclusive pieces for women who want their jewellery to feel individual, from everyday diamond designs to engagement and wedding jewellery.
