WISER & Co.​

diamond brokers

About us

Fern WISER, President at WISER & Co.llc, a US registred company, has a long experience in diamond trading. 

Graduated Diamond expert (GIA) he is a major player in the international diamond market. 


Fern Wiser is a 

Ambassador for the Antwerp Diamond Industry


Wiser & Co. is a authorized dealer of 

Schreiner Fine Jewellery / Munich