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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

New in

New pieces for what matters now

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

Sort by
New
Promise Legacy Birthstone Ring Sale price$318.00
Promise Heirloom Pendant Sale price$164.00
Heirloom Dainty Chain Necklace Sale price$251.00
Graduated Promise Band Sale price$270.00
Pavé Pinky Promise Ring Sale price$280.00
Custom Birthstones
Mens Engraveable Birthstone Promise Ring Sale price$280.00
Hidden Birthstones
Engravable Marquise Promise Ring Sale price$270.00
Heart Solitaire Necklace Sale price$189.00
Heart Solitaire Necklace Sale price$189.00
Moissanite Oval Bezel Necklace Sale price$482.00
Moissanite Oval Bezel Necklace Sale price$482.00
Pear Solitaire Necklace Sale price$222.00
Pear Solitaire Necklace Sale price$222.00
Custom Marquise Engraved Band Promise Ring Sale price$270.00
Custom Initial & Birthstone Necklace Sale price$290.00
Hidden Birthstones
Engravable Oval Promise Ring Sale price$270.00
Custom Toi et Moi Ring Sale price$261.00
Slim Signet Ring - Engravable Sale price$232.00
Birthstone Pear Ring Sale price$209.00
Up to 3 Birthstones
Custom Pave Birthstone Ring Sale price$151.00
Viral Pinky Ring
Promise Heirloom Birthstone Ring Sale price$280.00
Promise Love Ring
Promise Love Ring
Promise Love Ring Sale price$185.00
Promise Love Ring Sale price$185.00
Limited Edition
Pink Marquise Promise Ring Sale price$251.00
Promise Oval Cluster Ring Sale price$236.00
Promise Oval Cluster Ring Sale price$236.00
Promise Oval Halo Ring Sale price$251.00
Promise Oval Halo Ring Sale price$251.00
Promise Round Cut Pave Ring Sale price$232.00
Promise Round Cut Pave Ring Sale price$232.00
Engraved Band
Marquise Engraved Band Promise Ring Sale price$251.00
Engraved Band
Marquise Engraved Band Promise Ring Sale price$251.00
Promise Trinity Silk Cord Bracelet Sale price$145.00
Promise Trinity Silk Cord Bracelet Sale price$145.00
Promise Trinity Silk Cord Bracelet Sale price$145.00
Promise Trinity Silk Cord Bracelet Sale price$145.00
Promise Puffy Heart Necklace Sale price$151.00
Promise Puffy Heart Necklace Sale price$151.00
New
Heart Charm Promise Ring Sale price$189.00
New
Heart Charm Promise Ring Sale price$189.00
Heirloom Bauble Chain Necklace Sale price$280.00
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