Hallmarking Guide
Hallmarking is the official process of certifying the purity of precious metals. A hallmark is a small but vital mark that is applied to items made of gold, silver, platinum, or palladium, and it confirms that the metal content has been independently tested and verified. Here at Vrundavan Jewels, all our precious metal jewelry is hallmarked to guarantee authenticity and quality.
What Is Hallmarking?
Hallmarking is the official process of certifying the purity of precious metals. A hallmark is a small but vital mark that is applied to items made of gold, silver, platinum, or palladium, and it confirms that the metal content has been independently tested and verified by a UK Assay Office to meet legal standards. Think of it as your guarantee that the item you're buying is made from genuine precious metal and meets minimum purity standards. In the UK, hallmarking is a legal requirement and acts as a reassurance of quality and authenticity.
Which Metals & Weights Need Hallmarking?
In the UK, four precious metals are subject to hallmarking laws: gold, silver, platinum, and palladium. However, hallmarking is only required when an item exceeds a specific weight threshold:
- Platinum: 0.5 grams or more
- Gold: 1 gram or more
- Palladium: 1 gram or more
- Silver: 7.78 grams or more
If an item falls below these minimum weights, a hallmark is not legally required. However, many reputable jewellers still choose to hallmark smaller pieces to provide added assurance.
- Stamping: A traditional method where metal punches are used to imprint the hallmark directly onto the item.
- Laser Etching: A modern technique preferred for delicate or intricate pieces, such as thin bands or detailed pendants, to avoid damaging or distorting the item.
The hallmark is applied discreetly — typically inside a ring band or on a necklace clasp — so it doesn’t affect the overall design.
What Does A Hallmark Look Like?
1. Sponsor’s Mark: Identifies the manufacturer or sponsor of the item — essentially, who is responsible for submitting the item for hallmarking.
2. Fineness Mark: Indicates the purity of the metal (e.g. “925” for sterling silver, “375” for 9ct gold).
3. Assay Office Mark: Shows which Assay Office tested and marked the item. Each UK Assay Office has its own unique symbol.
Sponsor’s Mark
Fineness Mark
Assay Office Mark
Follow us for the latest designs and collections
