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.

Orders are shipped Monday–Friday.

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

USA Shipping (from our USA warehouse)

Orders ship via DHL Express Domestic and Tariff free. 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.

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

Marquise Cut Promise Rings

Shop our range of elongated silhouettes designed to flatter every hand. Known for their regal history and modern edge, Marquise rings maximise sparkle and elongate the finger - a cut loved by icons like Selena Gomez.