Real Gold vs Gold-Plated Jewellery: House Clearance Guide

How to Identify Real Gold vs. Plated Costume Pieces During a House Clearance

A tangled necklace in a drawer, a wedding band in a sewing tin, a brooch tucked inside an old handbag: jewellery often turns up in unexpected places during a house clearance. Some pieces may contain valuable gold, while others are plated or made from inexpensive metals.

The challenge is that appearances can be misleading. A bright, heavy bracelet may be plated, while a small, worn ring may be genuine gold. Before anything goes into a donation bag or clearance lot, a few careful checks can help you decide what deserves closer attention.

Understand what “real gold” means

Gold jewellery does not have to be pure gold to be genuine. Most pieces use a gold alloy, combining gold with other metals for strength and colour. Both 9-carat and 18-carat jewellery are real gold, but they contain different proportions of it.

Gold-plated jewellery has a surface layer of gold over another metal. Gold-filled and rolled-gold pieces also have a gold layer bonded to a different metal underneath; they are not gold alloy throughout. Gold-coloured jewellery may contain no gold at all.

Here, “solid gold” means the jewellery’s metal is a gold alloy throughout, rather than simply coated. It does not necessarily mean the piece is physically solid: genuine gold jewellery can be hollow.

Start with the marks

Use good lighting and a magnifying glass to inspect the inside of rings, necklace clasps, bracelet catches and the backs of pendants or brooches. Photograph anything too small to read comfortably.

Common gold fineness marks include:

A number alone is not a complete UK hallmark. A modern UK hallmark includes a sponsor’s mark, a metal fineness mark and an assay office mark. A date letter is optional.

Treat stamps as evidence to investigate, rather than a guarantee on their own. Marks can be worn, misread or counterfeit. A marked clasp also does not establish the composition of every link in a chain.

Do not discard unmarked jewellery automatically. Small gold items below the UK hallmarking weight threshold of 1 gram may be unhallmarked, and older or overseas pieces can require specialist interpretation.

Look for plating descriptions

Letters beside a carat number can change its meaning. GP commonly indicates gold plate, GEP means gold electroplate, GF means gold-filled, and RGP means rolled gold plate. For example, “18K GP” describes an 18-carat gold coating, not an item made entirely from 18-carat gold.

A gold-coloured item marked “925” may be gold-plated sterling silver. The number refers to the silver beneath the coating, not the gold content.

Inspect areas that receive the most wear

Look at ring edges, bracelet links, clasp areas and raised decoration. Plating can wear through at these points, exposing a different colour underneath.

Flaking, peeling or patches of copper-coloured metal are reasons to investigate further. However, colour changes are not conclusive: repairs, solder and surface finishes can complicate the picture. White gold, for example, may have a rhodium finish that wears with use.

Avoid judging by shine alone. Genuine gold can look dull from dirt and wear, while recently cleaned costume jewellery can look immaculate.

Treat home tests as clues

A magnet cannot confirm that something is gold. Many metals used beneath gold plating, including copper and brass, are not attracted to a magnet either. A clasp may also contain a steel spring, so attraction at the catch does not settle the question for the whole piece.

Weight is similarly unreliable. Hollow gold jewellery can feel light, and bulky costume pieces can feel substantial. A kitchen scale records an item’s weight; it does not establish its metal content.

Avoid biting jewellery, scratching it on ceramic, filing the surface or trying household chemicals. These checks can damage a piece without giving a dependable answer. Leave acid testing to someone with the equipment and experience to interpret it properly.

Keep uncertain pieces separate

During a clearance, set aside anything marked, unusual or difficult to identify. Photograph each piece, including its marks, and keep pairs, boxes, receipts and valuation documents together. Store delicate items separately so they do not scratch one another.

Do not aggressively polish jewellery before an assessment. You could remove plating or alter a finish that helps an expert understand the piece.

Get confirmation before selling

A jeweller or assay service can assess metal content. Professional methods include X-ray fluorescence (XRF), which is usually non-destructive, although heavy plating can require additional investigation.

Ask whether the assessment covers both metal content and the value of the complete item. These are different questions. Age, maker, design, condition and gemstones may influence resale value, and some costume jewellery is collectable despite having little precious-metal content.

When clearing a home, the most useful rule is simple: put uncertain jewellery aside before making an irreversible decision. Careful sorting and an informed assessment can protect both financial value and pieces of family history.