Diamond Open Heart Necklace Pendant

The Diamond Open Heart Necklace Pendant is a modern expression of love, crafted in solid 14k or 18k gold and set with brilliant diamonds that catch the light with every movement. Elegant yet effortless, this piece is designed to be worn daily as a symbol of connection, meaning and personal style.

A Modern Diamond Open Heart Necklace Pendant

This diamond open heart necklace pendant reimagines a classic silhouette with a lighter, more contemporary feel. The open heart design creates space and movement, allowing each diamond to shine while keeping the piece refined and wearable.

It’s a design that feels both timeless and current, a heart pendant that quietly elevates everything you wear. For more pieces in this style, explore our Love Jewellery Collection.

Design & Diamond Detail

Each diamond open heart necklace pendant is set with carefully selected diamonds, chosen for their brilliance and clarity. The open structure enhances the sparkle, creating a soft, continuous shimmer across the curve of the heart.

• Open heart pendant design with flowing silhouette
• Set with brilliant-cut diamonds for natural sparkle
• Balanced proportions for everyday wear
• Lightweight and easy to layer

Craftsmanship & Materials

Crafted in solid 14k or 18k gold, this diamond open heart necklace pendant is made to last. Each piece is individually created by expert jewellers in our London atelier, ensuring precision, durability and a flawless finish.

• Solid 14k or 18k gold — never plated
• Hand-set diamonds for lasting brilliance
• Polished finish for a clean, luminous look
• Made to order in our London atelier

How to Style Your Diamond Open Heart Necklace Pendant

This heart pendant is designed to sit effortlessly within your everyday jewellery collection. It works beautifully as a standalone piece or layered with other fine chains.

• Wear alone for a soft, meaningful statement
• Layer with fine gold chains for a modern look
• Pairs seamlessly with everyday and occasion styling
• A perfect base layer piece to build around

A Meaningful Gift That Lasts

The diamond open heart necklace pendant is more than jewellery, it’s a symbol of love, connection and intention. Whether chosen for yourself or gifted, it becomes something you reach for every day.

Complete the look with the matching Diamond Open Heart Ring for a cohesive, meaningful set.

Timeless, thoughtful and designed in solid gold, this diamond heart necklace is a piece you’ll wear often and keep for years to come.

Lead Times

All pieces are custom made and estimated production times are 3-5 weeks from purchase.

If your order is urgent, please email info@argent-asher.com and we will do our best to accommodate you. Please note: the shipping method is included in the overall lead time of your piece, but does not expedite your order's production time.

Shipping

During manufacturing you will receive update emails notifying you of progress. Once your piece is ready to ship, we will email you with the tracking information. All jewellery requires a signature from the purchaser, in order to be delivered successfully.

FedEx 2-Day: 2 business days - excluding weekends and holidays

FedEx International: 2-3 business days - excluding weekends and holidays

Customs

For international orders and shipments leaving the UK - there is a legal requirement to pay duty charges and/or VAT when arriving at the destination Country. These charges are the responsibility of the purchaser.

Warranty, Returns & Aftercare

Returns & 12-Month Cover for Jewellery purchased inside of the UK.

Most of our fine jewellery pieces are eligible for complimentary returns.

We understand that choosing jewellery is a thoughtful purchase, so if something doesn’t feel right, we aim to make the return process straightforward and reassuring.

Please note:
• Personalised and bespoke pieces can’t be returned unless there is a fault on arrival
• Faulty items must be sent back unworn and in their original condition
• Conditions apply, please see our full Returns Policy for details

Each Argent + Asher piece is made to order in our London atelier and includes a UK 12-month warranty covering manufacturing issues, such as:

• Stones becoming loose
• Settings or claws shifting
• Missing small stones
• Faults with clasps or chains

If a manufacturing issue occurs within this period, we will arrange a repair.

Resizing & Repairs

We offer resizing on selected ring designs.

Please note:
• Eternity bands cannot be resized
• Some styles are not suitable for adjustment
• Most rings can be resized within approximately 1–1.5 sizes of the original

If you’re unsure on sizing, it’s always worth confirming before ordering. It’s one of the most common concerns when investing in fine jewellery, and guidance is always available.

Repairs Outside Warranty

If your piece requires attention outside of the warranty period, or due to general wear over time, we can usually arrange a repair for a fee.

Each item is reviewed individually, and we’ll outline the options clearly before any work is carried out.

What affects the Price?

• Material - 14k or an 18k solid gold upgrade
• Diamond set
• Bespoke & unique design

Why this Necklace Costs More Than Cheaper Alternatives?

Unlike mass-produced or gold-plated jewellery, all our pieces are handcrafted to order in solid gold and are made to last a lifetime not just a season.

Want to see exactly how we price our jewellery?

Read our full → pricing guide