DiamondGroup GmbH, based in Lonnig, is a major manufacturer of high-quality gold, diamond, colored stone, and pearl jewelry. The company distributes its products through a diversified portfolio, supported by an online shop and participation in trade fairs such as Inhorgenta Munich. With an average of 56 employees, the company serves customers both domestically and internationally. Classified as a medium-sized corporation, the company focuses on securing its market position through continuous product innovation.
Gegenstand des Unternehmens sind die Produktion und der Handel mit Schmuck und Uhren.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Koblenz Local Court, HRB 21759 (as of 2 November 2026)
| Name | Type | City |
|---|---|---|
| Frank Heringer | Geschäftsführer(in) | Siesbach |
| Anke Schmidt | Geschäftsführer(in) | Bendorf |
Source: German Commercial Register (Handelsregister) Koblenz Local Court, HRB 21759 (as of 2 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 15.06.2022 | Registered Seat Change | Lonnig |
| 15.06.2022 | Business Address Change | Dreckenacher Weg 1, 56295 Lonnig |
| 15.06.2022 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 21.09.2009 | Share Capital Set | — | 100.000 € |
Source: German Commercial Register (Handelsregister) Koblenz Local Court, HRB 21759 (as of 2 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€10.1M2 | €1,347,063 | €37,915,112 | — |
| 2023 | Rohergebnis€9.8M2 | €1,127,317 | €36,814,160 | — |
| 2022 | Rohergebnis€10.5M2 | €1,816,356 | €36,210,988 | — |
| 2021 | Rohergebnis€7.1M2 | €1,415,422 | €28,101,315 | — |
| 2020 | Rohergebnis€5.6M2 | €1,162,501 | €20,069,183 | — |
| 2019 | Rohergebnis€4.5M2 | €620,272 | €20,815,535 | — |
| 2018 | Rohergebnis€4.3M2 | €538,454 | €13,550,260 | — |
| 2017 | ≤ €12M1 | €475,778 | €11,224,690 | — |
| 2016 | ≤ €12M1 | €420,051 | €8,824,716 | — |
| 2015 | ≤ €12M1 | €380,668 | €7,370,528 | — |
1 Small companies are not required to publish a profit-and-loss statement (§ 326 (1) HGB). The figure shown is the statutory ceiling under § 267 HGB where the balance-sheet total makes it binding — a company may exceed at most one of the three size criteria.
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Koblenz Local Court, HRB 21759 (as of 2 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €3,686,403 | 84.8% |
| Depreciation | €206,027 | 4.7% |
| Interest & Similar | €454,964 | 10.5% |
