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Technical skills recognized around the world

In 1937, at the Universal Exposition in Paris, ``Universelle des Arts et Techniques,'' Grosse received the highest award, the Medal of Honor, in both the costume jewelry technology and design categories.

museum quality

Each piece is carefully handmade by a skilled jewelry master. In particular, our unique 6-layer coating technology called the Grosse Method uses plenty of high-purity metals such as 23K gold and pure platinum to ensure a lasting shine that will never fade.