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GEMMOLOGY
THE SCIENCE OF GEMSTONES
Sandra Guyer is a certified gemologist (DGemG).
Diamond appraiser DGemG and pearl expert with extensive practical experience.
Long-standing trade relationships enable us to offer diamonds, colored gemstones and pearls of every size and quality at an optimal price.
TRUST
TRUST
TRUST
As proven experts
We offer you only selected stones from conflict-free sources.
Our diamonds and colored gemstones are made according to customer specifications.
Certified by a recognized laboratory.
OUR SERVICE
We work with all known colored gemstones, from A (amethyst) to Z (zircon).
We examine and evaluate your treasures with the utmost care in our in-house laboratory.
We determine whether gemstones are of natural origin or synthetically produced. We check whether they are treated, color-altered, or even made of glass. In many cases, we can identify the country of origin, and sometimes even the specific mine.
Über die Kriterien wie z.B. Reinheit, Farbe, Gewicht und Herkunft wird am Schluss ein handelsüblicher Preis bestimmt.
Upon request, we collaborate with internationally recognized gemological laboratories to prepare qualified expert reports.
OUR JEWELS
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