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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 - UK

Delivery

Delivery & Shipping - UK

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).

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

Emerald Cut Promise Rings

Sophisticated and striking, the Emerald cut is known for its sleek hall-of-mirrors effect and timeless elegance. With clean lines and a bold rectangular silhouette, it’s the ultimate choice for understated glamour... and if it’s good enough for Beyoncé, it’s good enough for us.

 

24 Hour Delivery
Luxury packaging & promise card included
LIFETIME SPARKLE
5 YEAR WARRANTY

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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£110.00
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£110.00
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£90.00
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£90.00
Close-up of 18ct gold emerald cut promise ring – affordable jewellery for her
Close-up of 18ct gold emerald cut promise ring – affordable jewellery for her
Promise Emerald Cut Ring Sale price£115.00
The Promise Co. Silver emerald cut promise ring – handcrafted and affordable gift for her
The Promise Co. Silver emerald cut promise ring – handcrafted and affordable gift for her
Promise Emerald Cut Ring Sale price£115.00
18ct gold vermeil emerald cut eternity ring – a timeless wedding band and affordable emerald cut promise ring.
18ct gold vermeil emerald cut eternity ring – a timeless wedding band and affordable emerald cut promise ring.
Emerald Cut Eternity Ring Band Sale price£105.00
Emerald cut eternity band stacked with other rings – versatile as a wedding band or unique promise ring
Emerald cut eternity band stacked with other rings – versatile as a wedding band or unique promise ring
Emerald Cut Eternity Ring Band Sale price£105.00
Save £60.00
Open Wrap ring, emerald cut, oval cut, sparkle band Promise Ring. In 18ct Gold Vermeil & Sterling Silver. The Promise Ring Co.
Promise Oval & Emerald Cut Wrap Ring Sale price£60.00 Regular price£120.00
Save £60.00
Open Wrap ring, emerald cut, oval cut, sparkle band Promise Ring. In 18ct Gold Vermeil & Sterling Silver. The Promise Ring Co.
Promise Oval & Emerald Cut Wrap Ring Sale price£60.00 Regular price£120.00

Emerald Cut Promise Rings

An emerald cut promise ring offer a refined and understated way to symbolise love and commitment. Defined by their clean lines and elongated rectangular shape, the emerald cut is known for its quiet elegance, favouring clarity and symmetry over sparkle.

Rather than relying on brilliance alone, emerald cut stones create a distinctive “hall of mirrors” effect, reflecting light in smooth, structured flashes that feel calm and sophisticated.

At The Promise Co, emerald cut promise rings are designed for those who appreciate subtle confidence. The shape feels intentional and considered, making it a natural choice for a promise that is built on clarity, trust and depth.

What makes an emerald cut promise ring unique?

  • The emerald cut stands apart from other stone shapes through its structure. Its step-cut facets and open surface place emphasis on the natural beauty of the stone, creating a look that feels clean, modern and architectural.
  • A rectangular shape with soft, cut corners
  • Step-cut facets that create a smooth, reflective finish
  • A refined alternative to more sparkly, traditional cuts
  • Style associated with understated luxury and confidence

Because of its simplicity, the emerald cut is often chosen by those who want a ring that feels elegant without being overstated.

A quiet, confident promise ring alternative

Emerald cut promise rings are often chosen by those who prefer a more understated style. While other cuts focus on sparkle, the emerald cut focuses on presence, shape and proportion.

This gives it a unique appeal. It feels less about drawing attention, and more about expressing confidence through simplicity. The elongated shape also creates a flattering look on the hand, adding to its timeless appeal.

For those who want a promise ring that feels modern, elegant and quietly distinctive, the emerald cut offers something truly different.

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