Our inventory includes a comprehensive selection of all major shapes and sizes. With new diamonds added every day, our inventory includes diamonds of all shapes, colors, and clarities, with sizes ranging from 0.01 carats to more than 15.00 carats.


Our diamonds are accompanied by certificates on demand from most international gemology laboratories as G.I.A, H.R.D, I.G.I, E.G.L.  


Rosenbaum is supporters of the United Nations mandated “Kimberly Process” which guarantees that diamonds are conflict-free. We get our diamonds only from legitimate sources we have direct relationships with, and we strictly adhere to the stringent requirements of the Kimberley Process Certification Scheme.


Photos of any diamond in our inventory are available upon request. Simply contact us about the ones you’d like to see