9ct Gold Heart Diamond Necklace

Some people leave a mark on your heart forever.

A partner. A daughter. A mum. A best friend. The person who stood beside you through every chapter. The one who made the journey worthwhile.

This necklace was designed to celebrate those connections.

At its centre sits a beautiful heart-shaped laboratory-created diamond, framed within a sleek 9ct gold bezel setting. The soft curves of the heart bring warmth and meaning to the contemporary design, creating a piece that feels both modern and timeless.

Crafted in solid 9ct yellow gold, it is delicate enough to wear every day yet special enough to mark life’s most important occasions. Whether given on a wedding day, for an anniversary, Valentine’s Day, a milestone birthday or simply as a reminder of how much someone means to you, it is a gift that speaks from the heart without needing many words.

Laboratory-created diamonds have the same physical, chemical and optical properties as mined diamonds, offering exceptional beauty in a modern and responsible choice.

A piece to celebrate love in all its forms — romantic love, family bonds, lifelong friendships and the people you’ll always carry with you.

Product ID: 21493

Crafted in solid 9ct yellow gold, this necklace features a heart-shaped laboratory-created diamond in a contemporary bezel setting. The polished pendant measures approximately 7mm x 8mm and hangs from a delicate 1mm chain.

The necklace adjusts from 41cm to 46cm (16–18 inches), making it perfect for everyday wear or layering. Finished with a secure lobster clasp and supplied with a diamond certificate, each necklace arrives beautifully presented in our signature Under the Rose gift box.

Solid 9ct Yellow Gold
Heart-Shaped Laboratory-Created Diamond
Diamond Size: 6.3mm x 7.11mm
Bezel Setting
Pendant Size: 7mm x 8mm
Adjustable Length: 41–46cm (16–18″)

Diamond Certificate Included

At Under the Rose, we strive to offer excellent products and customer service. We want every one of our customers to be thrilled with their purchase from us.

If you are not happy with your purchase, we will happily exchange or refund the item within 90 days of the date that you received it. Custom and engraved items cannot be refunded as they are made-to-order specifically for you.