Hallmark guide · Gold
585 gold: what the stamp means
585 means 585 parts of gold per 1,000 (58.5%), the decimal mark for 14-karat gold. It is a UK legal fineness, a 1972 Convention standard, the lowest gold fineness German law allows on gold ware, and a legal Italian fineness.
- Metal
- Gold
- Purity
- 585/1000
- Where
- Europe / International
01
Often confused with
- 585 on platinum (e.g. '585 Plat.') means a low-platinum alloy that needs full disclosure under FTC Guides.
- Same purity class as 14K.
02
What a piece marked 585 is worth
Melt value $729.08. Likely cash offer $510.36 – $656.17.
58.5% pure gold41.5% silver, copper & zinc
Signed and designer pieces can sell for well above melt as whole jewelry. Check sold listings before you scrap them.
DocketYour tally
Add items to total everything you plan to sell, silver and gold together.
Sources
- Birmingham Assay Office - Gold Assay & Hallmarking
- Convention on the Control and Marking of Articles of Precious Metals (Vienna, 1972), English text in Tractatenblad 1991 nr. 16 (Netherlands official treaty series)
- Germany - Gesetz ueber den Feingehalt der Gold- und Silberwaren (1884), gesetze-im-internet.de (Federal Ministry of Justice)
- Camera di Commercio di Caserta - Metalli preziosi (D.Lgs. 251/1999: identification mark and legal finenesses)