I’m a great fan of Amazon.com and I am often amazed at the things they have for sale. Things like certified diamonds. Now I don’t spend much time at jewelers and I never even bought a diamond wedding ring, but I do like the look a of nice diamond. There are a lot of ads on TV telling me to buy certified diamonds, though I am not all that sure what a certified diamond. Seems there are a few different people who do this certified diamonds thing-EGL certified diamond and GIA certified diamonds being to two that I have heard…