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


About RenéSim, its history and jewellery design by Franz & Maximilian Hemmerle

Premium quality with family tradition

180 years of family tradition in the jewellery industry encounters the online commerce of today: the perfect setting for the purchase of superb quality jewellery, designed with care by Franz & Maximilian Hemmerle, at fair Internet prices. Immerse yourself in the world of jewellery at the online jeweller RenéSim, and be enchanted by the rich diversity of designs from a company which prizes quality teamed with tradition - guaranteed by the names of Franz & Maximilian Hemmerle.

Draft Bracelet

About RenéSim

Find out about the background of RenéSim as a company, its philosophy and the origins of the name 'RenéSim'.


Find out more about the vision of the two founders and Managing Directors of RenéSim, Maximilian Hemmerle & Georg Schmidt-Sailer.


Here you can explore the history of the jewellery designers Franz & Maximilian Hemmerle, father and son, and their famous ancestor René Sim Lacaze. His name now inspires RenéSim, the exclusive online jewellery company founded by his grandson Maximilian Hemmerle and business partner Georg Schmidt-Sailer.


Jewellery designed by Franz & Maximilian Hemmerle

Discover more about the unique style of "New European Art Déco" by designers and jewellers Franz & Maximilian Hemmerle.


Take a journey into the world of jewellery and the processes in the creation of individual pieces. We take you behind the scenes in the goldsmith's and jewellery production workshops of Franz & Maximilian Hemmerle, with picture gallery.


Our exclusive service for you: individual one-of-a-kind jewellery! Commission a piece to your own ideas - perhaps with special gemstones - and receive your personal unique jewellery. Custom designs are our speciality and hallmark of skill, and we fulfil every customer wish.



Ear clips in white gold by Franz Hemmerle, 1960

Drop earrings in glowing green by Franz Hemmerle, 1990

Ear clips in white gold with cabochon rubies
and diamonds, sketch by Franz Hemmerle, 1960
Drop earrings in glowing green: various ideas for white gold drop earrings with diamonds and teardrop emeralds, sketch by Franz Hemmerle, 1990


You may also be interested in the following:

Are diamonds your interest? You can purchase loose diamonds in our extensive diamond database.

Find quality diamond post earrings in the section Diamond Post Earrings.

Use the RenéSim Ring Configurator to design your own personal diamond ring.

Seeking an engagement ring? We have assembled all you need to know on the subject of engagements and weddings.


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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  • 180 years of family craftsmanship in the jewellery business
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  • Free ring size adjustment
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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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