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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 - UK

Delivery

Delivery & Shipping - UK

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).

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
2 13.3 41.7 D ½ 42
3 14.1 44.2 F ½ 44
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

Discover

A world built on Promises

Discover

How to make your promise:

MAKE IT OFFICIAL

Tell us your promise:

DISCOVER

Our Promise Community:

Anika
Berlin Germany
September 2025
Promises To:
A vow to choose kindness... in work, in love, in myself
Charlotte
Lake District
September 2025
Promises To:
I Promise to always be brave
Charlotte Radcliffe
London
September 2025
Promises To:
I promise to put myself first always and to make my dreams a reality.
Chris
Chicago, Illinois
September 2025
Promises To:
To love him as fiercely on the ordinary days as I do on the big ones.
Maya
Los Angeles
August 2025
Promises To:
To be proud of how far I’ve come, not just how far I’ve yet to go
Destiny
United States / Texas
September 2025
Promises To:
I promise that no matter where we are in the world, I will forever choose you.
Deyton
Denver USA
December 2025
Promises To:
I promise to always love and support you through every high and low throughout our future. I promise to always be there for you throughout everything. I promise to stay faithful and grow with you. I promise to you. You are the love of my life!!❤️
Dom Chandler
Asunción, Paraguay
September 2025
Promises To:
I promise to live authentically, follow my intuition & be a positive force in the world.
8 promises

10,000+ PromisesAlready Made

Promise to card
Arrow pointing down
1
CHOOSE A RING

CHOOSE A RING

Start with a piece that feels right for your promise - whether it’s to yourself, a friend, or someone you love

2
WRITE IT DOWN

WRITE IT DOWN

Every order comes with a Promise Card, your space to write down your words and make your promise real

3
MAKE IT OFFICIAL

MAKE IT OFFICIAL

Post your promise to Promise World... where your words live alongside others, each one part of something bigger

Ready to make your Promise?