: These identify the manufacturer or jeweler and provide an extra layer of accountability.
: Look for karat numbers (10K, 14K, 18K) or three-digit millesimal fineness codes (417 for 10K, 585 for 14K, 750 for 18K). how to buy gold jewelry in usa
Always inspect the jewelry for small stamps, typically found inside rings or on necklace clasps: : These identify the manufacturer or jeweler and
In the United States, gold must be at least to be legally sold as "gold". The karat (K) indicates the percentage of pure gold: 585 for 14K