This is the set up shot for Liquid Gold.
.

BASE - black cloth covered in clear acrylic to get reflection.
BACKGROUND - piece of metalic gold card and metalic deep blue.
SIDES - black foamcore board.

FLASH - 580EX angled so that only the gold card received the light,
set on manual at 1/4 power fired by ebay trigger.

CAMERA - Canon 7D, 90mm - manual, f8, 1/80s to exclude most of ambient light.

HERE is the result.