Same diamonds at different online stores

[star2323]

I''m seeing descriptions of diamonds which look to be the exact same diamond at different online stores. Are they the same? Do these stores get their diamonds from the same places? Is this pretty common?

 

[strmrdr]

http://journal.pricescope.com/Articles/12/1/Why-are-there-several-dealers-offering-the-exact-same-stone.aspx