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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 (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).

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
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

Radiant Cut Promise Rings

The Radiant Cut loved for its ‘crushed ice’ effect - a unique faceting that delivers the ultimate sparkle. Combining the elegance of an emerald silhouette with the brilliance of a round, it’s the perfect choice for maximum shine with a modern edge.

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

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Hidden Halo
Radiant cut gold promise ring with pavé band – elegant and affordable gift for her
Radiant cut gold promise ring with pavé band – elegant and affordable gift for her
Promise Radiant Cut Pave Ring Sale price$251.00
Hidden Halo
Handcrafted radiant cut pavé ring – gold and silver stacking band for everyday wear
Handcrafted radiant cut pavé ring – gold and silver stacking band for everyday wear
Promise Radiant Cut Pave Ring Sale price$251.00

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promise rings

Radiant Cut Promise Rings

Radiant cut promise rings offer a bold and modern expression of love and commitment. Known for their clean lines and exceptional sparkle, the radiant cut combines the structure of a rectangular or square shape with the brilliance of a round stone, creating a design that feels both refined and eye-catching.

At The Promise Co,  our radiant cut promise rings are designed to capture that balance between strength and brilliance.

The defined shape gives the ring a confident, contemporary feel, while the light-reflecting facets create a sparkle that feels full of energy and life.

Radiant cuts

What makes a Radiant Cut Promise Ring unique?

The radiant cut is known for combining two distinct qualities, structure and brilliance. Originally developed to merge the elegance of step-cut stones with the sparkle of brilliant cuts, it features a high number of facets that maximise light reflection.

This gives radiant promise rings a distinctive look that feels more vibrant than traditional rectangular styles, while still maintaining a clean and modern silhouette.

A bold, modern take on a promise ring

Radiant cut promise rings are often chosen by those who want a ring that feels different from traditional styles. Their clean lines give them a contemporary edge, while their brilliance ensures they never feel understated.

Because the radiant cut can be either square or rectangular, it offers flexibility in style, allowing you to choose a look that feels more structured or more elongated depending on your preference.

This versatility, combined with its striking appearance, makes the radiant cut one of the most unique options within promise rings.