Our certified diamonds for those who want to buy a precious item that will remain forever. We offer only the best gems certified by the world’s leading companies in the industry. If you wish to purchase a diamond or a precious stone then Bottega del Gioiello is the right place. You can put complete confidence in our professionalism and competence.


The supremacy of the IGI in the gemological world is the result of continuous research, the support and synergy with professionals and consumers. Worldwide, the IGI certificates give confidence to the purchase or sale of diamonds. The total commitment to understanding consumer concerns has motivated IGI to develop a clear and complete documentation. This allows jewelry buyers to focus on finding what they want, with the full guarantee of integrity and quality of the IGI certification.


Every day, HRD is committed to providing its customers with the perfect certificate for diamond, in the simplest possible way. The company provides certificates through its partners directly to consumers, offering them the highest security and accuracy.
HRD always tries to innovate, looking for new sources of inspiration and constantly striving for perfection, so that customers know exactly what kind of diamond possess.


As a gemological laboratory Gubelin, deals with the analysis and interpretation of the scientific characteristics of gemstones. They pledged to contribute and keep the industry of gems healthy and sustainable, and it is their mission to protect customers by providing the market with accurate and relevant information on gemstones.


GIA is the acronym for the Gemological Institute of America, which is the most well-known mineralogy research and learning center (non-profit) of the United States, founded in 1931 by Robert Shipley in California. The GIA is also famous for the recognition services and classification of gemstones and minerals of all kinds and for having developed the Four Cs method which is used in the classification of the diamonds: Cut, Clarity, Colour and Carat Weight.

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