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Determining Value in Grading
With experience, your ability to grade diamonds and evaluate their specifications will become second nature. Many dealers are very conservative in grading when buying, and become eager to over-grade when selling, to boost the profits. Being critical in grading a parcel of polished loose diamonds when buying, is essential in a profit-making business, but by the same token, if a buyer is too critical, a price will be very difficult to agree upon. The seller will lose interest in your business if you are consistently trying to under-grade his merchandise. On borderline grading calls, it may be necessary to make the purchase based on a lower grade unless you can afford to gamble, or perhaps there are other stones in the parcel that will make up for a losing or a break-even stone.
