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9 ct gold is hallmarked at 375, 14 ct 585, 18 ct 750 and 99% pure - 999. I could not find a 325. Using the above system I would guess that the 325 would be less than 9 ct.
First answer by Peteylou. Last edit by Peteylou. Contributor trust: 52 [recommend contributor]. Question popularity: 11 [recommend question]





