
Locket Description
Give a statement of love this Christmas with our magnificent Large Diamond Heart Locket in solid sterling silver. This is a locket of exceptional quality and generous proportions, designed for those who want to make a grand gesture. Its substantial size (30 mm x 20 mm) and increased weight (7g) give it a satisfying, luxurious feel, while the larger, brilliant-cut diamond adds a captivating sparkle. The locket opens to reveal space for two precious photographs, transforming it from a beautiful piece of jewellery into a treasured keepsake that tells your unique story.
A Statement of Love - From Us to You
This is a locket designed to be noticed and admired. Measuring 30 mm in height (including the bail) and 20 mm in width, our large Diamond heart Locket is a true statement piece that commands attention. Independently tested and hallmarked by the Edinburgh Assay Office, it carries a full UK hallmark - your guarantee of authenticity and quality. Read about hallmarking here. Your locket comes complete with a complementary jewellery care kit to ensure it remains a showcase for years to come.
Gorgeous Gift Packaging
This statement locket comes in our signature gift box with a branded velvet storage pouch containing revolutionary anti-tarnish technology by Intercept. Add a free luxury gift bag at checkout for the complete gifting experience. Free UK shipping is available on this locket, and next working day delivery is available for orders placed before noon with express shipping. Please allow one to two days for personalisation services. Read more about our personalisation services here. Please note that engraved pieces and non-returnable.
Keeping Your Loved Ones Close
For a truly personalised experience, select our photo and engraving service via our personalisation button, and we will edit, print, cut and fill your locket. You can also engrave an initial date or message on the reverse of this locket. The larger size provides more space for engraving, allowing you to create a personal piece that captures your sentiment perfectly. Looking for a daintier locket? See our smaller version here
Our Conflict-Free Diamonds
This locket features a real diamond in the top right corner of the heart, providing enhanced sparkle and presence. The birthstone for April, diamonds, represent love, strength and faithfulness. Our diamond lockets all comply with the Kimberley Process & United Nations Resolutions. The locket comes with an ethical diamond certificate, and we promise that all diamonds in our jewellery are ethically sourced and conflict-free based on personal knowledge and written guarantees provided by our suppliers.
The Ultimate Christmas Gift
Imagine the joy on Christmas morning as she unwraps a gift that truly speaks from the heart. This large, personalised diamond locket is more than just jewellery; it's a keepsake for your most cherished memories and a statement of your love. It's the perfect heirloom gift for a wife, mother, or daughter - a piece that will be loved for generations and passed down as a family treasure. With our engraving and complementary photo service, you can create a bespoke gift that is as unique as your love story. Delivered fully tracked to your door with a complementary gift box and luxury gift bag, all you have to do is place it under the tree and wait for that unforgettable Christmas moment.
Christmas Delivery
In stock and ready for Christmas delivery. We have extended Christmas returns until January 7 2026, and offer a UK express Christmas delivery cut-off of December 22, 2025. Your large silver diamond locket will be sent fully tracked with updated messaging for your peace of mind.
Features & Benefits
- Original handmade, real diamond locket
- Free Photos included
- Choice of chain styles and lengths
- Hallmarked by the Assay Office with a full UK hallmark
- Complimentary 'Keep It Sparkling' jewellery care kit worth £20
- Velvet storage pouch with Intercept® technology
- Award-winning designer brand
Why You'll Love It...
- The perfect personalised gift
- Holds loved ones close to your heart
- A modern heirloom, designed to last
- Beautifully presented gift packaging
- Rated 4.8/5 on Trustpilot
Order your Large 2 Photo Diamond Heart Locket today and experience the magic of a personalised real diamond locket.
What Our Customers Say...
⭐⭐⭐⭐⭐ "Absolutely first class. Easy to order online, prompt delivery as stated. Beautifully packaged. Would use again without hesitation," Janber60 Verified customer.
⭐⭐⭐⭐⭐ "WOW! So much better than expected- really exceeded my expectations... definitely my go to jewellers from now on" Cath B. Verified customer.
⭐⭐⭐⭐⭐ "Amazing service, supported me with the purchase and the gift itself was gorgeous. Would definitely recommend 🤍" Kelsey. Verified customer.
Finding Your Dream Jewellery
Not quite what you were looking for?
| collection | Heart Lockets |
| colour | Silver |
| dimensions | 30 mm x 20 mm x 6 mm |
| engravable | yes |
| gemstone | Diamond |
| hallmark | Yes, Full UK Hallmark on bail |
| item presentation | Free luxury gift bag |
| metal | Sterling Silver |
| month | April |
| necklace length | Choice of chain lengths |
| photo size | 20 mm x 15 mm |
| precious metal | Sterling Silver |
| presentation | Ribbon-tied gift bag |
| product collection | Lockets |
| shape | Heart |
| height | 30 mm |
| weight | 7 g |
| width | 20 mm |
You wear it well
Collapsible content
OUR GUARANTEE
With over 1600 5 star reviews on Trustpilot and Google, we take pride in our craftsmanship & quality.
We are a proud member of the National Association of Jewellers. Our lockets are independently
tested and hallmarked with a full UK hallmark by the Edinburgh Assay Office.
We strive to ensure every customer has a great experience and recommends us.
If you are not pleased with your order, please get in touch. We will exchange or refund within 30 days. We will exchange or repair faulty
jewellery within 180 days of purchase. T&Cs apply. See our refund policy.
WHAT'S IN THE BOX?
Each piece of Lily Blanche jewellery is packed in our studio with love and care. Open the box and take a moment to savour the amazing scent. Under the tissue you will find a ribbon-tied gift box containing a velvet storage pouch. Our pouches are made for us in the USA and incorporate Intercept® technology to keep your jewellery sparkling when it is not being worn.
In the envelope with your name on it, you will find a polish cloth to keep your silver or gold jewellery clean. There is also a ring sizer. Keep it in your jewel box as it will come in handy.
If your item is a gift, you can opt to add a complimentary, ribbon-tied, luxury gift bag & a gift message at the basket stage.
Our packaging is reusable and recyclable. The care kit is designed to give your jewellery longevity.
We hope you enjoy the experience of shopping with Lily Blanche.
"Outstanding personal service. Fabulous jewellery which arrived beautifully packaged & smelt divine. It felt like I had been shopping in the most exclusive boutique in Bond Street". Olivia H.