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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

Simple Solitaires Collection

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

Sort by
Emerald cut 3ct diamond simulant solitaire promise ring in 18ct gold vermeil
Emerald cut 3ct diamond simulant solitaire promise ring in 18ct gold vermeil
Promise Emerald Solitaire Ring Sale price$215.00
Emerald cut 3ct diamond simulant solitaire promise ring in Sterling Silver
Emerald cut 3ct diamond simulant solitaire promise ring in Sterling Silver
Promise Emerald Solitaire Ring Sale price$215.00
perfect dainty heart shape promise ring for her
perfect dainty heart shape promise ring for her
Promise Heart Solitaire Ring Sale price$188.00
affordable best promise rings, 1ct heart shape ring
affordable best promise rings, 1ct heart shape ring
Promise Heart Solitaire Ring Sale price$188.00
Promise Pear Cut Solitaire Ring Sale price$206.00
Promise Pear Cut Solitaire Ring Sale price$206.00
Bestseller
The Promise Co. Oval Solitaire diamond simulant ring. Promise Ring for her.
The Promise Co. Oval Solitaire diamond simulant ring. Promise Ring for her.
Promise Oval Ring Sale price$235.00
Bestseller
The Promise Ring Co. Oval Solitaire diamond simulant ring. In Sterling Silver. Affordable diamond dupe promise rings
The Promise Ring Co. Oval Solitaire diamond simulant ring. In Sterling Silver. Affordable diamond dupe promise rings
Promise Oval Ring Sale price$235.00
Gold promise ring with east-west design – elegant stacking band for everyday wear
Gold promise ring with east-west design – elegant stacking band for everyday wear
Promise East West Ring Sale price$176.00
The Promise Ring Co. East-West diamond simulant ring in 18ct Gold or Sterling Silver.
The Promise Ring Co. East-West diamond simulant ring in 18ct Gold or Sterling Silver.
Promise East West Ring Sale price$176.00

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