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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

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Discover The Promise Co. collection - meaningful jewellery designed to celebrate every kind of promise. From our signature rings and personalized pieces to timeless necklaces and everyday favourites, each design is made to mark the people, moments and stories that matter most.

24 Hour Delivery
Luxury packaging & promise card included
LIFETIME SPARKLE
5 YEAR WARRANTY

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53 products

Save £60.00
Promise Astral Flash Ring Sale price£60.00 Regular price£120.00
Save £60.00
Promise Astral Flash Ring Sale price£60.00 Regular price£120.00
New
Promise Legacy Birthstone Ring Sale price£165.00
Promise Heirloom Pendant Sale price£85.00
Heirloom Bauble Chain Necklace Sale price£145.00
Heirloom Dainty Chain Necklace Sale price£130.00

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