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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

Unisex Promise Rings

Shop our Unisex Promise Ring - a timeless design made to celebrate any promise. This versatile band is crafted for everyone, proving that love and commitment have no labels.

Sort by

Gifts for Men
Unisex signet ring with a rectangular face in rhodium-plated sterling silver – a unique signet ring and modern men’s promise ring by The Promise Co.
Unisex signet ring with a rectangular face in rhodium-plated sterling silver – a unique signet ring and modern men’s promise ring by The Promise Co.
Unisex Signet Promise Ring Sale price$190.00
(4.5)
Gifts for Men
Rectangular signet ring worn on female hand – modern unisex promise ring ideal for everyday wear or meaningful gift.
Rectangular signet ring worn on female hand – modern unisex promise ring ideal for everyday wear or meaningful gift.
Unisex Signet Promise Ring Sale price$190.00
(4.5)
East West Half Bezel Marquise Ring elegant as a bestie ring or pinky promise ring
East West Half Bezel Marquise Ring elegant as a bestie ring or pinky promise ring
East West Half Bezel Marquise Pinky Ring Sale price$209.00
(4.8)
East West Half Bezel Marquise Ring showcasing the horizontal marquise cut – ideal as a bestie ring or unique promise ring.
East West Half Bezel Marquise Ring showcasing the horizontal marquise cut – ideal as a bestie ring or unique promise ring.
East West Half Bezel Marquise Pinky Ring Sale price$209.00
(4.8)

The One Love Ring.

We’re so excited to reveal our first unisex design - a year in the making, and our most special piece to date.

Made to represent every kind of love, for every person.

It’s part of our mission to keep redefining what a promise means - and to create a home for the modern promise.

We can’t wait to see what promises you make.