Based in Milan, the jewellery company deals exclusively in D Color, Excellent-cut diamonds - the highest quality diamonds out there - to craft made-in-Italy jewels, or sells them as investment diamonds. Colombi Diamonds' gemstones all have a certified VS purity, which means each diamond presents tiny natural inclusions hardly visible even with 10x magnification. The inclusions do not detract from the diamonds' natural brilliance, but make each a unique piece. Every Colombi Diamonds' gemstone is certified by the top gemology institutes worldwide: GIA, HRD, and IGI.
Colombi Diamonds carefully selects every diamonds following the principles of the Kimberley Process and applies a zero tolerance policy towards any and all countries involved in any kind of military conflict. This policy makes sure that every diamond by Colombi Diamonds remains conflict-free and that the diamond trading's gains do not go and fuel further bloodshed.