8MM Mariner chain gram weight listed below.

18 inch- Approx. 45 grams in 14kt gold

20 inch- Approx. 50 grams in 14kt gold

22 inch- Approx. 55 grams in 14kt gold

24 inch- Approx. 60 grams in 14kt gold

26 inch- Approx. 65 grams in 14kt gold

30 inch- Approx. 75 grams in 14kt gold

All weights are an approximate number. Final chain weight may vary.