The entire report and its findings are available here. As platinum is regarded as the best metal to most securely hold a diamond, the study was also conducted to measure the differences in performance of platinum alloys versus gold alloys regarding prong wear. Platinum shanks do not tend to wear thin and need replacements as often as gold shanks. Key conclusions established by the study are two-fold: platinum alloys demonstrate superior wear resistance over white gold alloys with the absolute and relative volume losses of the platinum alloys demonstrating to be lower than that of the gold alloys.īench jewelers will most often cite that platinum jewelry pieces that have long been in service are found to be in sound shape without extensive repairs and there is an infrequent need to re-tip platinum prongs versus gold prongs. In an effort to once and for all prove the long-supported anecdotal evidence of platinum’s superiority in wear resistance and gem setting security versus that of gold jewelry, Platinum Guild International (PGI) recently released the findings of a three-phase formal independent study conducted by fem Research Institute Precious Metals + Metal Chemistry, in association with TechForm Advanced Casting Technology. Not only do these elements factor into the construction of every piece of platinum jewelry, they also reflect a relationship built upon the same traits.

Choosing platinum is a celebration of beauty, strength, authenticity, and longevity.

Platinum patina