9ct gold will have a '375' or '9ct' or '9kt' stamped onto it somewhere, gold plated gold won't have this.
depends on the weight.
9ct Gold
Cps is the makers initials and 9ct is the purity of the gold.
Yes - 10ct gold has more pure gold than 9ct.
Yes - 22ct is a much higher purity than 9ct gold.
9ct gold lined.
no
Yes. Gold may be mixed with quntities of other metal, which is why there is the 9ct and 12ct gold. 12 ct gold contains more gold than 9ct
it means gold filled. a layer of real 9ct gold on top of a cheap metal ie copper
9ct back and front: a term which is no longer legal, but is sometimes seen on old jewellery. It means the item is plated with 9ct gold on the back and front of the base metal.
9ct - 375