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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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18K black gold

18K black gold

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

Thésée Duo

Black gold, Sapphire

CHF 1'435.–

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