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, accordionist

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 175 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. Although RenéSim sells its beautiful creations solely via the Internet, the company can look back on a family tradition spanning 175 years in the jewellery industry.

Enchanting diamond rings and engagement rings from RenéSim

RenéSim's luxurious diamond and engagement rings feature superb design and premium quality materials and are created with the utmost care and attention. All RenéSim pieces are works of high quality, individuality and unique aesthetic artistry.
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 to create a unique example of the jeweller's art.

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. Our extensive network of business contacts allows us to access the best gemstone dealers in the world and take advantage of outstanding conditions – which we pass on to our customers in the form of attractive prices.
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.

Luxury jewellery and one-of-a-kind pieces by RenéSim

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.
All pieces of RenéSim jewellery are produced by expert goldsmiths and gem setters, personalised for the customer and subjected to strict quality controls before delivery.