Acquiring a diamond or colored gemstone is the purchase of a rare and enduring asset. To guarantee the longevity of this investment, accurately identifying its characteristics is a vital step. An uncertified gem should never be purchased, as its authenticity, technical attributes, and origin remain uncertain.

 

The Diamond Identity Card | Every polished diamond selected by Dodeca Diamonds possesses a unique identity guaranteed by an independent certificate. This document rigorously details the universal criteria of the "4Cs": Color, Cut, Clarity, and Carat.

 

To guarantee resale value and complete transparency, we collaborate exclusively with three world-renowned laboratories: the GIA, the IGI, and the HRD. The authenticity of each stone can be instantly verified on the issuing laboratory's digital portal using the certification number mentioned on the certificate and laser-engraved into the stone.

 

The Excellence of Colored Stones   For precious and semi-precious stones, certification takes on an additional dimension: geographical origin and analysis of treatments. Since the value of a gem is intimately linked to its origin and natural condition, Dodeca Diamonds relies on expert reports from the world's most prestigious laboratories, including SSEF and Gübelin.

 

Our expertise covers a wide selection of exceptional gemstones: Sapphires, Rubies, Emeralds, Spinels, Tsavorites, Paraiba Tourmalines, Alexandrites, Morganites, Spinel, Garnets, and Tanzanites. These institutions guarantee that each specimen possesses the stated natural characteristics, purity, and historical origins.