We are not jewelers and we are not experts but we have a good inventory of gold marked jewelry with semi precious stones. We use a diamond tester and have a gold kit.. 16" 10 KARAT GOLD CHAIN WITH GOLD BALL NECKLACE BY BRONZO #1 MARKED JUST A NICE GOLD 16 INCH CHAIN WITH A GOLD BALL AT THE END AS SHOWN IN THE PICTURE IN THE BRONZOIRO BOX WEIGHS 1.3 GRAMS on a 16 inch gold chain marked. filed inv 11 2020 will be sent tracked packet or parcel