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Buying a piece of jewelry is an important moment. The Gemmyo Maison has a duty: to help you to find the jewel of your dreams. We are here to answer all your questions.

We are available Monday to Friday, 9 am to 7 pm.


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Our team is available by phone.

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From Switzerland +41 22 518 08 94



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For all inquiries, please contact us at hello@gemmyo.com.



Any questions? Have a look at our Q&A.
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Men's Rings

18k black gold ruby men's rings

Gemmyo allows you to find the 18k black gold ruby ring for men of your dreams, simple or original, sober or coloured. Don't wait any longer to discover our collection of 18k black gold ruby men's rings.

18K black gold

18K black gold

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Ring Black gold Ruby Thésée Duo 2
Ring Black gold Ruby Thésée Duo 3
Ring Black gold Ruby Thésée Duo 4

Thésée Duo

Black gold, Ruby

CHF 1'465.–

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