YES
Yes, by weight, diamonds are more valuable than gold.
Diamond are much more valuable than gold even considering the recent price rise for gold.
There have been times when iron was more valuable than gold. Most bronze age civilizations valued iron more highly than gold, as it was both rarer (iron ore is common, naturally occurring pure iron is not) and more useful (iron is significantly stronger than bronze, and much, much stronger than gold).
are diamonds more valuable than emeralds
It is more valuable than gold because there is a few amount of gold and more dirt. So it is easy to find dirt than it is to find gold. That is why gold is more valuable than dirt.
Rhodium and platinum are both more valuable than gold.
Gold
There are several metals more valuable than gold. Platinum is one.
yellow gold
Gold
Gold is more valuable than silver. durr.
pure gold (24k) vs 41.7% (10k) gold.. you decide.
platinum
YES
That would depend on how pure the gold is...
Yes, by weight, diamonds are more valuable than gold.