Contrastaria

Find out more about your jewelry.

Did you know that you can confirm the authenticity of your jewelry on your cell phone? Assay Office brings the oldest form of consumer protection into the digital age! Only with the hallmark, placed on each piece, the customer is guaranteed the type and quantity of precious metal contained in the jewelry they purchase. Now, through the Contrastaria App, everything is easier! It can confirm the certification of precious metals contained in goldsmith and jewelry articles, preventing counterfeiting and promoting legitimate trade.