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Luxury Packaging with Every Order

Luxury Packaging with Every Order

Every order arrives beautifully presented with our luxury packaging:

A signature velvet pouch designed to protect your jewellery and be kept forever

A Promise Card ready for you to write your own special promise, to a loved one, a friend... yourself!

Thoughtful. Gift-ready. Worth paying for but included free.

Delivery & Shipping

Delivery

Delivery & Shipping

Orders are shipped Monday–Friday.

Any orders placed after 1pm (local warehouse time) on Friday will not be shipped until Monday.

UK Shipping (from our UK warehouse)

Royal Mail 48 Hours: Delivery in 2 working days.

Royal Mail 24 Hours: Delivery in 1 working day (order before 1pm GMT to receive your parcel the next working day).

USA Shipping (from our USA warehouse)

Orders ship via DHL Express Domestic. Delivery takes 1–4 working days, depending on your shipping zone.

All tariffs and import fees are already covered by The Promise Ring Co. LTD, so there are no additional customs charges for US customers.

International Shipping (all other countries from our UK warehouse)

Europe: 2–11 business days.

Rest of the World (Canada, Australia, etc.): 3–17 business days.

Please note: Delivery times are estimates and may occasionally be extended due to customs delays, courier disruptions, or UK bank holidays.

Our Size Guide

Our Size Guide

Not sure on your sizing? Need to secretly measure for a loved one? Find our handy printable PDF.

US/Promise Co Diameter (mm) Circumference (mm) UK Europe
4 14.9 46.8 H ½ 47
5 15.7 49.3 J ½ 49.3
6 16.5 51.9 L ½ 51.9
7 17.3 54.5 N ½ 54.4
8 18.1 57 P ½ 57
9 18.9 59.5 R ½ 59.5
10 19.8 62.1 T ½ 62.1
11 20.6 64.6 V ½ 64.6
12 21.4 67.2 X ½ 67.2
13 22.2 70 Z ½ 70

OUR STORY

We’re here for the promises that shape us - the love that’s old, the love that’s new, and the promises made to yourself along the way.

Where tradition meets a new generation of meaning. This is the modern home of the promise ring & you're in the right place...

how we started

it started with a search I couldn't finish...

Raj and I had been together for just over a year. We weren't ready for an engagement - but I knew what we had was real, and I wanted something to show for it. A promise.

So I went looking.

What I found was brass rings from brands I'd never heard of and sets that felt like they were made for a teenager and then… nothing. Just engagement rings...

But that gap wasn't just a shopping problem. It was a cultural one. Somewhere along the way, the promise ring had been forgotten.

And that felt wrong...

the home of the Promise

A promise is one of the most human things there is. It deserves to be taken seriously.

We didn't invent the promise ring. But we knew it needed a home. So we built one.

The Promise Co. exists to protect what the promise has always meant - and to carry it forward into what it means today. Because now a promise can look like anything.

A love story. A commitment to yourself.

A mark of something that doesn't have a name yet but matters all the same.

What's your Promise?

Whats your promise?

Whats your promise?

A note from the founder

I've always felt that jewellery should mean something. The pieces we keep close aren’t just beautiful, they become little anchors in our lives. Reminders of who we are, where we’ve been, and what matters most. The ring from my Nan that’s never left my finger. The one my partner Raj gave me when we made our first promise. The piece my mum had made for my 21st – filled with pride and love. They’re more than just pieces of jewellery. They hold meaning. And they’ve stayed with me through everything.

That’s what I wanted to create with The Promise Co. – jewellery that does the same for you. What started as a simple idea, rooted in my love for sentimental jewellery, has grown into something far bigger than I ever imagined. Every day, I get to witness your promises – to your partner, your sister, your oldest friend. And to yourself. You trust us with the most personal, powerful moments of your life – and that never stops feeling like the greatest privilege.

So thank you, truly, for being part of this. You are the reason this brand exists.