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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

Promise Necklaces

You've heard of Promise Rings but what about our official Promise Necklaces, designed to be worn as a daily reminder of what matters most.

30 Day Returns
Luxury packaging & promise card included
LIFETIME SPARKLE
5 YEAR WARRANTY

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Trinity necklace dupe 14ct gold perfect gift for her
Trinity necklace dupe 14ct gold perfect gift for her
Promise Trinity Necklace Sale price$210.00
trinity necklace affordable in sterling silver
trinity necklace affordable in sterling silver
Promise Trinity Necklace Sale price$210.00
Gold heart-shaped pendant necklace on a white background
Gold heart-shaped pendant necklace on a white background
Promise Puffy Heart Necklace Sale price$183.00
Promise Puffy Heart Necklace Sale price$183.00

Your new favourite necklace

trinity.

Three rings, seamlessly entwined - a symbol of life’s most meaningful bonds.

Inspired by our signature promise rings, the Trinity Necklace carries your story in threes: the past that shaped you, the present you live, and the future you promise.

Sleek, minimal, and deeply personal, this is a modern heirloom designed to be worn every day - a wearable story that grows with you.