Why buy certified diamonds?

There is a great temptation to exaggerate the quality of a diamond. For example increasing the colour by just one grade can have an enormous effect on price. All of our PORTFOLIO diamonds are guaranteed to come from reputable and ethical sources. To underline your confidence in our PORTFOLIO of Fine Diamonds, every piece is independently certified by the world's foremost diamond laboratories including: GIA, HRD, IGI, Anchorcert by the Birmingham Assay Office, GemA, Precious Stone Laboratory, and others.  

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