In the Russian Federation the quality (fineness) of gold is measured by the what 585 gold means what 14 k gold means how pure is my gold
percentage of gold in the jewelry piece.  The stamp on your item can say something like 375, 500, 583, 750, and 958. These letters and numbers indicate an item's purity. They stand for different varieties of gold, and some varieties are worth more than others. T
he first two digits indicate the percentage content of precious metal in 1000 parts of alloy. For example in 585 - pure gold content is 58%. Common components of gold alloy include copper, nickel, and zinc, among others. These additional metals impart greater strength and durability to fine gold jewelry.

Mixing gold with other metals can change it's color too. Pure gold is yellow. Yet, gold jewelry can be white or silver, red or rose, and green or lime instead. Russian gold usually has more of a pink tint.

 

Pure gold is 24 karats and .999 fine. (It's never 100% pure.)

In the USA gold is measured in Carats or Karats. Imagine your jewelry separated into 24 parts. How many of these parts are pure gold - that's how many carats your jewelry has. So if your ring is said to be 14K - it means 14 parts are gold and 10 parts are not (which is about 58%gold).

Fineness Caratage/Karatage Gold Percentage
333 K Gold 33.3%
375 K Gold 37.5%
416 or 417 10 K Gold 41.6%+
583 or 585 14 K Gold 58.3% +
750 18 K Gold 75.0%
916 or 917 22 K Gold 91.6% +
 999 24 K Gold 99.9%


pure gold 24 carats what is 585 gold 583 is 14 karat better then 18 carat

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