Vintage 9ct Gold Emerald & Diamond Ring Trilogy Solid 9k 9kt Genuine Gemstone Jewelry Jewellery Womens UK J 1/2 US 5 life pendant I've tried to clean it

I've tried to clean it off but it won't remove

The pendant is stamped "925" on the rear and weighs a massive 15

The item is made to a beautiful standard and all the pastes are present

DESCRIPTION: A genuine vintage 9ct 375 yellow gold crucifix pendant

the pendant has a slight rattle to it

Vintage 9ct Gold Emerald & Diamond Ring Trilogy Solid 9k 9kt Genuine Gemstone Jewelry Jewellery Womens UK J 1/2 US 5 life pendant I've tried to clean itDESCRIPTION: A stunning and beautiful vintage solid 9ct gold ring, adorned with 3 oval cut emeralds and numerous diamonds (100% tested). It sizes approx. at UK J. 5 or US 5 and weighs approx. 2. 33g. The ring is hallmarked for 9ct gold.