The gold price chart above shows the gold price per ounce in UK GBP sterling for the last one week period (7 days). Most investors track the gold price in (troy) ounces, rather than grams. Gold prices first crossed the $1,900 mark in after-hours electronic trading Monday. Early Tuesday, prices hit an all-time high of $1,917.90 an ounce, before pulling back to about $1,880.