What 19.2K gold is worth and how dealers price it
19.2K (Portuguese 800 gold) is 80% gold and is the legal jewellery standard in Portugal. It is known for the fine filigree work of the Minho region, including Viana hearts.
Look for the hallmark 800 or 19.2K. 19.2K is typical of traditional Portuguese filigree jewellery. Filigree is light for its size, so the weight of a large-looking Viana heart may be only a few grams. Collectable filigree can be worth more intact than melted.
Dealers weigh the piece, deduct stones and non-gold parts, and multiply the net weight by 0.8 to get the fine gold content. They then multiply by the GBP spot price per gram and apply their payout percentage — usually 60–75% of melt at shops and pawnbrokers, 80–90% at specialist buyers.
Worked example: a 8 g Portuguese filigree heart holds 6.40 g of fine gold. Enter 8 g and 19.2K in the calculator above to see its live melt value in GBP. Portuguese pieces carry an assay-office mark (a head of a dog or eagle, depending on age); photograph it before selling in case the piece is collectable.
In the UK, gold dealers must be registered for anti-money-laundering supervision and check ID. Hallmarks are enforced by the Assay Offices in London, Birmingham, Sheffield and Edinburgh, which makes British marks among the most reliable.