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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 (MST) 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
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

Custom Necklaces

Your Promise - Made Personal

Step 1Choose your piece
Step 2Choose your metal and size
Step 3Choose your customisations
ProductionWe build your perfect ring and dispatch in 2-3 weeks

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Custom Initial & Birthstone Necklace
Custom Initial & Birthstone Necklace Sale price$295.00

Our BirthStones

  • garnet birthstone

    Garnet

    January

  • amethyst birthstone

    Amethyst

    February

  • aquamarine birthstone

    Aquamarine

    March

  • crystal birthstone

    Diamond Simulant

    April

  • emerald birthstone

    Emerald

    May

  • light-amethyst birthstone

    Lavender

    June

  • ruby birthstone

    Ruby

    July

  • peridot birthstone

    Apple Green

    August

  • sapphire birthstone

    Sapphire Blue

    September

  • pink-diamond birthstone

    Pink

    October

  • champagne birthstone

    Champagne

    November

  • tanzanite birthstone

    Tanzanite

    December