Value multiple gold lots independently using a single gold price per gram. Fine-gold content is calculated first, so different purities can be combined without a misleading gross-weight valuation.
The model deliberately values the contained gold rather than assuming gross weight equals pure gold.
A batch containing 24K, 22K and lower-purity material can have substantially different fine-gold content even when gross weights look similar.
Yes, if you know or estimate its purity accurately.
No. Dealer settlements can include fees, deductions and a payout percentage.