Hallmarks Explained — How to Recognise Real Gold
A tiny engraving determines what you truly wear. Those who can read the hallmark buy jewellery with certainty — not with hope.
The hallmark is the official mark of precious metal content. It is usually so small that a magnifying glass is needed — and it sits in discreet places: the inside of a ring, the clasp of a necklace, the post of an earring.
The Numbers and Their Meaning
Fineness is expressed in two ways — both mean the same thing. 750 stands for 75% pure gold, equivalent to the mark 18K (18 karat). On our pieces you will therefore find either "750" or "18K", depending on the piece. 585 or 14K denotes 58.5% gold, 375 or 9K corresponds to 37.5%, and 999 denotes pure fine gold. If you see "750" or "18K" on your jewellery, you are holding genuine 18 karat gold.
More Than Just a Number
Alongside the fineness, fine jewellery often carries a second mark: the maker's or master's stamp. It is the signature of the atelier that stands behind the craftsmanship. In Austria, the hallmarking of precious metal goods is governed by law — an additional protection for the buyer.
Be Cautious with These Marks
Not every engraving means solid gold. Abbreviations such as GP (gold plated), RGP (rolled gold plate) or plaqué indicate mere plating — an ultra-thin layer of gold over a base-metal core. Such pieces can look beautiful, but they have neither the value nor the longevity of solid gold.
When in Doubt: Ask
A reputable seller will tell you the fineness and origin of every piece without hesitation, and issue a certificate of authenticity. At Rosé. Fine Jewellery., every piece carries not only the statutory hallmark but also our own seal and a hand-signed certificate of authenticity — so you never have to guess what rests against your skin.