I am planning to shop in the Los Angeles Diamond district for a loose diamond for a setting I have already purchased. I've been there before, but there are hundreds of vendors covering several blocks making it difficult to evaluate and choose a reputable vendor. I am confident I can find a good deal, but where can I start? What advice, other than the 4-c's, would one have shopping in these districts? I've talked to some vendors ther encouraging me to purchase uncertified diamonds promising me a much better value over certified (they will offer a certified if you request). From what I learned, this website recommends EGA and GIA certifications and to avoid uncertified diamonds. Any recommendations?
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