Values for Metals, Gemstones, and Other Materials (1965)

From GURPSworld Wiki

Prices are in US dollars.

Metals

Platinum, $100 oz.

Gold, $35 oz.

Silver, $1.30 oz.

Copper, $.35 lb.

Lead, $.15 lb,

Gemstones

The value of a gem is ($1 x C2+$4 x C) x V, where C is the weight of the gem in carats and V is the Value modifier for the gemstone. Value modifiers for specific gemstones are provided below.

Diamond, 40

Sapphire, 35

Emerald, 35

Garnet, 35

Cat’s Eye, 30