Grams, a measurement of weight. There are 28.3495 grams in an avoirdupois ounce (the ounce usually used to measure items). Silver (and other precious metals like gold and platinum), however, are...
14 karat its kind of like how much gold is in it ** 14k gold is approximately 58% pure gold... meaning 14/24 of gold.. 24 being pure.
If it is a mark on jewelry, it means that the piece is 14 karat gold plated, not solid gold.
good riddens
5 Gold Rings