I have a typical American mens 10k gold high school class ring from the 80's that's been collecting dust since about 88 (I'm old) and was wondering if anyone knows about how much gold is in this thing?
10 karat is about 41% Gold. You need to weigh it...usually they also have some sort of stone, but I don't think that can account for
more than 10% of the total weight. Example...total weight 20 grams, less 10% for stone, youve got 18 grams of 10 karat. 41% of 18 grams
yields 7.5 grams of pure Gold. 7.5 grams is about 24% of a Troy Ounce (31.1 grams). With Gold at $1600, 7.5 grams is worth about $387.
Fly by nite dealer might offer you $180 to $200. Solid dealer would probably pay $325 to $350 (spot less around 10%)
All the class rings I've worked on or scrapped had a solid shank but the top was hollow , it was then filled with a epoxy or plaster type filler and the stone then set .When sizing one I had to invert the ring in water to dissipate the heat and keep from loosening the stone.When scrapping one the owner took a hammer and smashed the top dumping out the stone and filler before sending them off, he got a higher return for the rings cleaned of the stones and filler.
So not as much metal as most expect there to be . Cant remember what the ratio was to figure the weight that we used when buying as scrap but was pretty low that was in '99 .