Upgrading current GIA diamond to bigger carat weight?

[chictomato]

hi there have you come across any website that can take in my current stones for an upgrade to bigger carat weight. Am looking at GIA or AGS tks

 

[Lorelei]

Most vendors will not buy diamonds they didn''t sell, that is why upgrade policies are so popular. You could try consignment with a company like

www.pearlmansjewelers.com