Free delivery in 24 to 72 hours in the European Union | Free returns and exchanges

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Joaillerie consciente, durable et contemporaine - Or éthique certifié Fairmined et diamants de synthèse - Fabrication 100% française - Traçabilité sur toute la chaîne de fabrication - Livraison, retours et échanges gratuits.
Boutiques à Paris et Lyon | 01 42 33 82 51 | contact@jem-paris.com

JEM | Joaillerie éthique française

Delivery within 2 days. Delivery time may vary according to model availability

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In view of the economic context and the soaring price of gold (+60% since 2020 and +26% over 2024), and because our relationship with you is based on values of transparency, we wanted to inform you of the increase in our prices from October 15, 2024. But we want to reassure you: the prices of our creations will not follow this curve, but will undergo a slight adjustment of around +10%.

Until then, and to benefit from our current prices, we invite you to :

- Make an appointment in our boutique or on video to obtain a quote at current prices (valid for 1 month).

- Anticipate your Christmas gifts by placing an order on our website before October 15.

Because you are our most loyal ambassadors, it was important for us to inform you and share with you, through an article, what lies behind the price of a precious jewel.

secretly dreams of this creation. It would be such a shame if you never knew!

By creating an account, you agree to our Terms and Conditions and accept the data processing policies of the JEM Jewellery Ethically Minded Privacy Policy. DCM collects personal data for the purpose of managing your orders, the commercial relationship and commercial prospecting. The data mentioned with an * are mandatory. According to the regulation, you have a right of access, rectification, portability, deletion, limitation of processing and opposition to the processing. These rights can be exercised at contact@jem-paris.com by indicating your name, first name, address, e-mail address and proof of identity.

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Write us

We are at your disposal to answer all your questions and to discuss about our approach, our commitments and our creations. Contact us by email, by phone or via our contact form.

+ 33 1 42 33 82 51
contact@jem-paris.com

We are here for you

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A piece of jewelry always carries a special story. Write your own, like an intimate testimony... A sweet word, a first name, a date or a memory: personalize your jewel in the font of your choice. 


The addition of an engraving requires a minimum delay of 2 weeks (except when the workshops are closed in August).

Engraving | 35€

Contact us

This jewel is available to order only. 
Contact us by phone, e-mail or via our contact form for any information request or to order this jewel from our team.

Order by phone or email

If the jewel you wish to order is available in our stock in the right size, we will be able to send it to you within 2 to 3 days in Metropolitan France and in Europe, through our secure carrier partner. 
If the size you want is not available, your jewel will be made to order for you within 6 to 8 weeks, in our French workshop. 
In case of doubt about a size, availability or if you want to offer this jewel in a short time, please contact our customer service at +33 1 42 33 82 51 or by e-mail at contact@jem-paris.com : we will do our best to answer your needs.

Delivery time

We understand that buying jewelry can be a delicate process. That's why we offer you the possibility to exchange or return your JEM piece free of charge if it doesn't fit, with the exception of personalized and engraved pieces, and we will refund your entire purchase.
The exchange and return period is extended until January, the 31st.

Exchanges and returns

The payment of your online order can be made by credit card or payment card or via Paypal.

No credit card data is saved on our servers. You can enter your card data on a secure page managed externally by our service provider Mercanet, in charge of the processing of our bank's electronic payments. The SSL security protocol allows for optimal security in the transfer of data.

We offer you the possibility to pay your purchase in 3 times. To do so, please contact our Customer Service: 

Paiement en 3x dans frais

We propose you a method to know your wrist size from your home. If you are still hesitating between two sizes, we advise you to take the bigger one for your comfort.

If the size of the jewel does not fit, exchanges and returns are free and easy: we take care of everything! A size reduction is also possible on some of our collections.

Do you know your size?

We are here to help you to determine your size, do not hesitate to contact us in case of doubt: contact@jem-paris.com | +33 1 42 33 82 51If the size of the jewel does not fit, exchanges and returns are free and easy: we take care of everything! A size reduction is also possible on some of our collections.

We use French sizes. For international equivalents, please refer to the correspondence table below or on page 6 of the size guide.

Size correspondence

We offer you 3 different methods to know your ring size from home. If you are still hesitating between two sizes, we advise you to take the larger one. Fingers can be more "swollen" at certain times, for example at the end of the day or in summer. Also, for your comfort, it is better to wear a ring that is a little too big than too small.

If the size of the jewel does not suit you, exchanges and returns are free and easy: we take care of everything! Resizing is also possible on some of our collections.

Do you know your ring size?

Discover this creation during a personal appointment

Free delivery, exchanges and returns in France and Europe

Discover our creations during an appointment in store or video

Discover our diamond-paved wedding rings, a jewel as precious as it is symbolic. Made in France from Fairmined gold and set with laboratory-formed diamonds. Free delivery, return and exchange.

Diamond wedding rings | JEM, jewellery ethically minded

To sublimate your commitment, let yourself be seduced by a luminous wedding ring adorned with dazzling diamonds.

Combining the best of science and nature, our laboratory-formed synthetic diamonds are carefully selected from the finest and rarest stones in terms of color, purity and brilliance.

Our diamonds are laboratory-formed under controlled social and environmental conditions. Derived from the same carbon crystallization process, these new-generation diamonds are strictly identical to mined diamonds, with the same physical, chemical and optical properties. Formed in the most demanding laboratories, our diamonds are SCS-007 certified and combine the beauty and brilliance of this unique stone with the guarantee of total traceability, protection of populations and a minimized ecological footprint.

Cultured diamonds, the diamonds of the future

White gold

We invite you to make an appointment with our team to help you choose your ethical gold wedding rings and ensure you receive a warm welcome.

Our diamond wedding rings

Cultured diamonds, the diamonds of the future

Meet Us