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Engagement ring Promise with diamond

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from €159 (-3%)
from €154
incl. VAT
Shipping: 5-7 working days
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Precious metals at a glance

  • White gold: a popular engagement ring classic
  • Yellow gold: a warm tone and the most popular gold colour
  • Rose gold: on trend, with its rosy hue coming from copper
  • Sterling silver 925: affordable, softer, and tarnishes over time
  • Platinum 950: the most durable, with a noticeably high weight

Our jewellery is nickel-free and suitable for people with sensitive skin.

  • 0.03ct (2.0mm) €717
  • 0.05ct (2.4mm) €862
  • 0.10ct (3.0mm) €1,415
  • 0.15ct (3.4mm) €1,580
  • 0.25ct (4.1mm) €1,910
  • 0.30ct (4.3mm) €2,454
  • 0.40ct (4.8mm) €2,529
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Diamonds from 0.05 to 3.00 carat compared by size

Diamonds from 0.05 to 3.00 carat compared by size

Diamond size in mm

Carat (ct) is the weight of the diamond. The product detail page lists the corresponding size in millimetres (mm) for every diamond size available.

→ More about diamonds

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5 diamond qualities at a glance

Term Description
H/SI Solid entry quality into the world of diamonds
G/SI Recommended quality with excellent properties
G/VS The upper class with even more brilliance
G/IF For connoisseurs, excellent quality
D/IF River: very fine white, flawless and extremely rare

The 4 C's give information about the quality of a diamond. 

1. The colour of the diamonds: in our case D, G oder H  
Diamonds available from us with the colour classification D, G and H appear colourless. 

2. The purity of our diamonds: SI, VS or IF  
SI = Inclusions only visible at 10x magnification, not with the naked eye 
VS = Inclusions difficult to detect even at 10x magnification 
IF = NO inclusions, designation: flawless.  

3. The cut: For our diamonds "very good". 
The quality of the cut ranges from "excellent" and "very good" to "good", "fair" and "poor". With us you always buy diamonds with a cut quality of "very good".

4. The diamond weight 
If all other quality criteria are the same, the following applies: The higher the carat (ct.) weight of a diamond, the more expensive it is.

Learn more about diamonds and diamond quality.

How to find out the right ring size

In order to determine your partners ring size, we offer two free options:

1. The ring template to print out

Use this PDF you can find out the ring size without having to measure the ring finger. The perfect option if you want to give the ring to someone as a surprise.

2. The ring tape measure

The ring tape measure works like a belt around the finger. Simply send us an email with name and adress. We will send you the ring tape measure free of charge by post within 5 working days.

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Engraving
Preview. The appearance of the engraving may vary. We engrave with the most modern laser engraving technique.

<h3>Engraving ideas</h3> <ul> <li><strong>Names or pet names,</strong> with a date if you like</li> <li><strong>Short messages,</strong> such as "Please say YES!"</li> <li><strong>On trend:</strong> the geo coordinates of your first date or the place you proposed<br><br></li> </ul> <p>Engraving is free of charge, even after purchase, and includes free delivery.</p>

The rounded ring band is accentuated by a discreetly incorporated diamond, which makes the engagement ring Promise a real highlight. The bright diamond is protected by the ring band.

Promise is the ideal model for special occasions and it can perfectly be worn in everyday life. In the overview, choose a model with a smaller or larger diamond to suit your budget.

You can purchase the engagement ring Promise made of precious white gold, plain silver or exclusive platinum.

Gemstone
Gemstone: natural diamond
Shape: brilliant
Cut grade: very good
Fluorescence: none
Certificate: manufacturer certificate

We deliver stylish & discreet

You will receive a discreet shipping box with a neutral sender, in which a white box is placed. Inside you will find a black velvet ring case (without logo) in which your engagement ring will optimally be protected during shipping.

The heart of our success: our manufactory

We manufacture our engagement rings by hand in the gold town of Pforzheim.

More about the manufactory

FAQs

Frequently asked questions about buying rings. 

Ideally, you should plan to buy it four to six weeks before your proposed proposal. If you’re opting for bespoke designs or have specific requirements, production may take longer. Please feel free to give us a call – we’ll be happy to go through all the options with you. If you’re planning at short notice, we have models available straight away with a short delivery time.

Measure an existing ring discreetly, or ask friends and family for the correct ring size. If the ring still doesn’t fit, we offer all customers free lifetime resizing for all unengraved rings.

Bear in mind your partner’s occupation and lifestyle. Gold, silver and platinum differ in terms of hardness and price. The same applies to diamonds and other gemstones. A flatter setting makes the ring easier to wear at work and whilst playing sport. Please feel free to give us a call; we’ll be happy to help you choose.

Customer ratings
19/07/2026 mmmmm
Beautiful customization of engagement and wedding rings with excellent customer service!
23/09/2024 mmmmm
Very fast delivery and products with outstanding quality!
25/09/2023 mmmmm
Everything was great. I can only recommend them. Great customer service as well.
24/04/2022 mmmmm
Excellent communication from the company and beautiful products.
23/12/2021 mmmmm
Thank you for your perfect service and beautiful ring! It was a pleasure to communicate with you through out the all ...
Authenticity of the reviews
Reasons for our shop
  • Handcrafted engagement rings from our atelier in Pforzheim
  • 10,000 happy couples and an excellent rating of 4.9/5
  • 101-day return guarantee – take your time with the proposal, plus ring resizing for life
Wedding rings that match with engagement ring
Wedding rings that match Promise model
Fits perfectly with engagement ring Promise.
Wedding rings matching Promise
Engagement ring Promise with diamond from €154