+44 20 351 466 05
+49 89 1222 893 0

Ordering from RenéSim

How do I purchase products from RenéSim?

You can start by browsing our complete collection in detail without obligation and experimenting as much as you like with our customisation feature. When you select a specific piece of jewellery, we ask you to log in. All you need at this stage is your e-mail address. In addition, to complete the order we need your billing and delivery address. You can also enter your telephone number to ensure that we can reach you quickly if we have queries about your order.

Why am I unable to place items in my basket?

You may need to change the security settings of your browser. To do this, follow the instructions below for your browser:

Internet Explorer 6 or 7:

  1. Click 'Tools'.
  2. Choose 'Internet options' in the dropdown menu.
  3. Click the 'Security' tab, and then click on the 'Internet' zone if not already highlighted.
  4. Choose 'Custom' and click 'Custom level'.
  5. Scroll down the settings to 'Scripting'.
  6. Click 'Enable' for the items 'Active Scripting' and 'Scripting of Java applets'.
  7. Click 'OK'.
  8. In 'Internet options', click 'OK' again to apply the new settings.
  9. Close your browser and restart to activate the new settings.

Mozilla Firefox:

  1. Click 'Tools'.
  2. Select 'Settings' in the dropdown menu.
  3. Click the 'Content' tab.
  4. Check the box 'Enable Javascript' and 'Enable Java'.
  5. Click 'OK'.

How can I contact you?

If you experience problems during ordering, registration or login, you can call our customer service at +44 20 351 466 05 (for callers in the UK) or +49 89 1222 893 0 (for international calls) at any time, or send an e-mail to

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renesim GmbH

Branch office (appointment only):
16 Hanover Square, Mayfair
W1S 1HT London, United Kingdom
T +44 20 351 466 05

Amiraplatz 1, D-80333 Munich
T +49 89 1222 893 0

Hours Mon - Fri 8 am - 6 pm


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100% Satisfaction guarantee
  • 180 years of family craftsmanship in the jewellery business
  • 30-day right of return
  • Supreme quality and top service
  • Free ring size adjustment
  • Personal customer care and high availability
  • Secure payment and free shipping from Munich
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As an online jeweller, RenéSim combines the benefits of a modern online-based business model with 180 years of family-run traditional craftsmanship in the jewellery industry. Gemstones such as diamonds are the central focus at RenéSim; we supply high-quality, thoroughly individual pieces such as engagement rings in addition to loose diamonds. We offer unique diamond post earrings, diamond rings, memory rings, engagement rings and much more. Consult the jewellery experts at RenéSim!

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