I can't help with the origins of Duragold except that it is a trademark for gold jewelry.. if I remember correctly when I purchased my gold necklace which is stamped 14K Duragold Italy it meant that the necklace had a special treatment or alloy that made it more durable.
Don't knock it though, or think its fake. 3 years ago my 14K Duragold Italy necklace was appraised by a jewelry appraiser and certified for insurance for $500.00.
What does GAS mean on a chain that has 925 italy onit
That the mineral came from Italy.
Gm4
It was stamped within the Arezzo valley of Italy and the 1760 is the karat
It means that it is Genuine Sterling Silver and made in Italy.
It means that you have been given a soecial neklace
925 Italy is a marking for sterling silver.
925 silver purity, made in Italy by Han
It means 14k Gold European origin possibly Turkey or Israel.
what does LXG stamped on gold mean
it may just say 585 which means it 58.5% gold. which is 14k so it works out.
1758 AR is the trademark/hallmark of the factory in Italy that made that piece of jewelry. 1758 is the number of the factory and AR stands for Arezzo, the city in Italy.