Logo Made in Germany JGF - June Hong Kong Jewellery and Gem Fair 2018

Arnoldi International e.K.

Booth number: 5E717

About us

When René Arnoldi’s grandfather founded the company Carl Friedrich Arnoldi in the year 1919, he provided the basis for a traditional and highly reputed gemstone-cutting factory in Idar-Oberstein. René Arnoldi, the current owner of ARNOLDI INTERNATIONAL, has been developing his expertise and love of exclusive gemstones for more than 40 years now. No matter whether it is a single stone, a rarity or a series of calibrated stones, whether cut as a cabochon or facetted: Each and every gemstone receive exclusive attention by our team of highly skilled and experienced gemstone experts. This results in attractive designs with optimally balanced proportions and perfect finish, setting standards for our customers that can only be achieved in our in-house studio.

Products and services

Our product range includes:

  • Tourmalines in all colours
  • Paraiba Tourmalines
  • Beryls, Mandarin Garnets
  • Royal Purple Garnets
  • Spinels, Tsavorites
  • Tanzanites and other gemstones in high quality
  • cut as set, pairs and single stones.
Paraiba Tourmaline

Paraiba Tourmaline

The unique colour of Paraiba Tourmalines, the rarest Tourmaline variety, always captures people´s attention. The portrayed fine Mocambique `Paraiba´oval stone with certificate has 11.25 cts.

Spinel red

Spinel red

The picture shows a gorgeous red Spinel, 8.99 cts, from Mahenge/Tanzania - a perfect match for every piece of jewellery!

Tourmaline green bi-colour

Tourmaline green bi-colour

This bi-coloured apple- to mintgreen Tourmaline from Congo, one of many other colour varieties the Congo rough offers, is a fascinating newcomer in our product line.

News & Innovations

Next Shows ARNOLDI INTERNATIONAL  We are joining the following next shows:

June 21-24, 2018 Hong Kong JGF booth 5E 717
Sept. 12-16, 2018 Hong Kong JGF booth 9G 36 (Fine Gem Pav)
Feb. 5-10, 2019 Tucson AGTA GemFair booth 609
Feb. 22-25, 2019 Inhorgenta Munich/Germany booth C1 110/209


Arnoldi International e.K.
Tiefensteiner Str. 379
55743 Idar-Oberstein

Phone: +49 6781 4585258
Fax: +49 6781 4585255

René Arnoldi
Phone: +49 6781 4585258

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Your personal organizer

Your personal organizer

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Rohde GmbH
Booth number: 1M007
Karl Faller e.K.
Booth number: 5E620