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

Masterpieces from your online jeweller, individually hand-crafted with passionate devotion to details.


Customer Opinions


I appreciate the personal advice and service
I receive from RenéSim - and their jewellery reflects
the same premium quality and creativity.

Nina Ruge, presenter, Munich


I am delighted that thanks to RenéSim, I can rely
on all the experience of a traditional establishment
with the youthful flair of a modern company.
Many thanks!

Denis Patkovic, artist


The ring arrived safely today; it's absolutely
beautiful. Many thanks, particularly for the discreet
correspondence and reliable delivery.

Ralf Hermann, Kiel


Useful Information

Our comprehensive Diamond Dictionary provides interesting information on the themes of jewellery, gemstones and diamonds. Learn more about the clarity, carats, cut, colour and shape of a diamond and find out about the varieties of certification. If you have a query, you can naturally contact us at any time by telephoning the number given or using our Contact Form für for inquiries.

Online jeweller RenéSim – Luxury brand founded on 180 years of family tradition in the jewellery craft

The range of products offered by RenéSim spans sophisticated coloured gems, luxury diamonds, elegant jewellery pieces and precious diamond jewellery.
RenéSim's luxurious diamond and engagement rings feature superb design and premium quality materials and are created with the utmost care and attention.
Our Prêt-à-Porter Collections present designs by Franz und Maximilian Hemmerle exclusively for RenéSim. We also offer our customers the option of using our Ring Configurator to create their own personal diamond ring or engagement ring. In the Configurator, the customer's choice of diamond from our extensive portfolio, such as a brilliant, is combined with a ring setting from our range.

Elegant diamonds and sparkling coloured gems – loose or combined with unique jewellery designs

We constantly work to source the finest diamonds and coloured gemstones in the world for our customers.
Anyone seeking to purchase diamonds can choose from our broad range of up to 250,000 certified diamonds. In addition, you can commission an individual jewellery design from us. These one-of-a-kind pieces are the most fascinating way of highlighting the natural brilliance of a precious stone.
RenéSim concentrates the expertise amassed from five generations of devotion to haute joaillerie in its hand-crafted masterpieces – including meticulously designed earrings, post earrings, diamond rings, pendants, necklaces, chokers, chains, bangles, bracelets and cufflinks.

Your jeweller with
180 years of family tradition.
About RenéSim Service Ring Sizes Newsletter Press Jobs Terms and Conditions Privacy Policy Credits and Legal Notice

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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