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