Colored stones

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  1. A beautiful pair of citrine earrings, briolette-cut and 6 diamonds, brilliant cut 0.07ct H SI gold 750.

    This jewel is made in Switzerland in Lausanne in order to guarantee the best quality. Our company applies the principles of ethics and transparency.

    Ref BOCitdiams

     

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  2. Variety :         Garnet Mandarin

    Cut :               Emerald

    Weight :          3,18ct

    Size :              9,00 x 7,00 x 4,60 mm

    Clarity :          Eye-Clean

    Country :        Nigeria

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

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  3. A beautiful 750 yellow gold ring set with a garnet tsavorite, oval cut 1,63ct.

    Our jewelry comes with a certificate made by a Graduate Gemologist.

    Ref BagTsavo1,63ct

     

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  4. Variety :         Garnet Umbalite (Rhodolite)

    Cut :               Emerald

    Weight :         7,80ct

    Size :              11,95 x 9,80 x 6,40mm

    Clarity :          Eye-Clean

    Country :        Tanzania (Umba Valley)

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

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  5. A beautiful pair of blue topaz earrings, briolette-cut and 6 diamonds, brilliant cut 0.07ct H SI gold 750.

    All our jewelry is made in Switzerland in Lausanne in order to guarantee the best quality. Our company applies the principles of ethics and transparency.

    Ref BOTopBleudiams

     

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  6. Variety :         Garnet Mandarin

    Cut :               Emerald

    Weight :          1,64ct and 1,60ct

    Size :             7,00 x 5,00 x 4,40 mm

                          7,00 x 5,00 x 4,40 mm

    Clarity :          Eye-Clean

    Country :        Nigeria

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

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  7. Variety :          Garnet Umbalite (Rhodolite)

    Cut :                Emerald

    Weight :          13,61ct

    Size :               13,60 x 12,40 x 7,90mm

    Clarity :           loup clean

    Country :         Tanzania (Umba Valley)

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

     

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  8. Variety :         Garnet Umbalite (Rhodolite)

    Cut :               Emerald

    Weight :          14,70ct

    Size :              14,00 x 12,40 x 8,20mm

    Clarity :           Eye-Clean

    Country :         Tanzania (Umba Valley)

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

     

     

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  9. Variety :         Garnet Mandarin

    Cut :               Emerald

    Weight :          3,89ct

    Size :              9,00 x 7,00 x 5,40 mm

    Clarity :          Eye-Clean

    Country :        Nigeria

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

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  10. A beautiful 750 yellow gold ring set with a garnet tsavorite, cabochon cut 2,92ct.

    Our jewelry comes with a certificate made by a Graduate Gemologist.

     

    Ref BagGrRUB

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  11. An aquamarine ring

    CHF1,490.00
    An aquamarine ring
    CHF1,490.00

    A beautiful 750 yellow gold ring set with an aquamarine, emerald cut ~12 ct

    Size of the stone, ~15mm x 12.80mm x 9.00mm

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

    Ref BagAIGMar

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  12. Variety :          Garnet Umbalite (Rhodolite)

    Cut :               Pear

    Weight :         14,75ct

    Size :              20,00 x 12,50 x 8,10mm

    Clarity :          Eye-Clean

    Country :        Tanzania (Umba Valley)

    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.