18k solid gold necklaces 16-18 cm, 3mm and above, stamped Buyer and Importer

Looking for solid gold, 18 or 24k, weighing minimum 5 grams, 16-18 cm, at least 3mm necklaces. No gold filled or gold plated, only solid 18 or 24K. Absolutely must be stamped with either AU750, 999 or 18k or 24k. Would especially like flat, herringbone style but will look at others. Will buy one sample first and then 10 for sale on retail site. If that is successful, I will be regular buyer. Thank you, Kimberly Frenden Texas, United Statessolutely must be stamped with either AU750, 999 or 18k or 24k. Would especially like flat, herringbone style but will look at others. Will buy one sample first and then 10 for sale on retail site. If that is successful, I will be regular buyer. Thank you, Kimberly Frenden Texas, United States Show More