99% of all our diamonds are assessed and certified by Gemological Institute of America (GIA), the most trusted name in diamond grading - using the 4Cs measure: Color, Clarity, Cut and Carat. It is our promise to use only the best stones that are sourced and manufactured to the industry standards.


Our precious stones are amongst the most prestigious unearthed by Mother Nature. We boast a spectrum of variety featuring some of the rarest the world has to offer. Our stones are certified by the Gübelin Gem Lab, the Swiss Gemmological Institute (SSEF), American Gemological Lab (AGL), and GemResearch Swisslab (GRS). Each piece from our collection adheres to our benchmark of excellence.



The team at Dehres are experts in examining gemstones and diamonds. We are skilled in the art of analyzing diamonds in the rough and foreseeing its full potential. After careful consideration with regards to cutting possibilities and utilization, our experts will mark the stones for precision cutting. Every piece has undergone extreme assessment before yielding its maximum beauty possible.


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