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  1. Tanzanite 11,39ct

    CHF10,900.00
    Tanzanite 11,39ct
    CHF10,900.00

    Variety :         Tanzanite

    Cut :               Pear

    Weight :          11,39ct

    Size :              15,50 x 12,00 x 9,50mm

    Clarity :           Loupe Clean

    Country :         Tanzania

    All our stones comes with a certificate delivered by a Graduate Gemologist.

     

     

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  2. Tanzanite 11,90ct

    CHF11,250.00
    Tanzanite 11,90ct
    CHF11,250.00

    Variety :         Tanzanite

    Cut :               Oval

    Weight :          11,90ct

    Size :              15,15 x 13,20 x 9,50mm

    Clarity :          Loupe clean

    Country :        Tanzania

    All our stones comes with a certificate delivered by a Graduate Gemologist.

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  3. Opal 34,31ct

    CHF11,900.00
    Opal 34,31ct
    CHF11,900.00

    Variety :         Opal

    Cut :               Cabochon

    Weight :          34,31ct

    Size :              35,30 x 19,80 x 11,10mm

    Country :        Ethiopia

    All our stones comes with a certificate delivered by a Graduate Gemologist.

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  4. Opal 57,04ct

    CHF19,900.00
    Opal 57,04ct
    CHF19,900.00

    Variety :         Opal

    Cut :               Cabochon

    Weight :          57,04ct

    Size :              31,40 x 28,00 x 12,70mm

    Country :        Ethiopia

    All our stones comes with a certificate delivered by a Graduate Gemologist.

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  5. Opal 35,50ct

    CHF12,500.00
    Opal 35,50ct
    CHF12,500.00
    Variety Opal
    Cut Cabochon
    Weight 35,50ct
    Size 31,8 x 21,50 x 11,60mm
    Country Ethiopia

     

    All our stones comes with a certificate delivered by a Graduate Gemologist.

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Marc Chevalier is a gemologist who graduated from the Idar-Oberstein School of Gemology in Germany in 1989.

Passionate about minerals from the age of eight years old, he pursued two years of Geology at the University of Lausanne, and has more than 30 years of experience in the field of sale and purchase of diamonds and precious stones for watchmaking and jewelry.  He has worked in various companies such as Rolex, Golay-Buchel, in the central purchasing of precious stones at the Swatch Group as a Senior Purchaser Gemologist. He has travelled widely and has visited different mines around the world, such as those in Brazil, Kenya and Tanzania to name a few.  He was able to forge a network of relationships around the world which allows him to find exceptional stones in the most beautiful and best qualities of purities and sizes possible.  During one of these trips to Kenya, he decided to set up on his own and to offer his specific knowledge of the different of stones to as many people as possible.