What does 310 mean on jewelry?

(310) Boutique: Named for metropolitan L.A.'s area code, California is my muse: gorgeous coastlines, the glamour and sophistication of classic old Hollywood, the smoothness of the salty ocean air. I hope that you make (310) Boutique your source for stylish, one-of-a-kind, distinct jewelry pieces.
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What do the numbers on jewelry mean?

Refers to the gold content from 8K to 24K precious metal jewelry (1K = 4.1666%). For example, the gold content of 18K gold is 750‰. The imprint is “750“, “18K“. The gold content of 14K gold is 585‰, and the pattern is “585“, “14K“.
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What does 333 stand for on jewelry?

333 means that the gold is 33% pure gold and 67% other metals.
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What is the stamp for white gold?

Stampings and Markings

If you find a marking that contains the letters PT, Pt or Plat, you have found an item that is made of platinum. If you see a karat marking like K or k, usually accompanied by a number, the item is made of white gold.
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What does 350 mean on jewelry?

350 Irid. 60% pure platinum, 35% iridium. 75% Platinum 25% Copper. 75% pure platinum, 25% copper.
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Numeric Gold Marks on Jewelry What Do They Mean?



What does 980 mean on jewelry?

The 980 tertiary mark was generally used on all jewelry and tea strainers. Spratling said that 980 silver had a softer glow and complemented a woman's skin when used in jewelry. 980 silver also is more resistant to tarnish.
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What does 570 mean on jewelry?

AURUNA® 570 is an alkaline-cyanide alloy electrolyte for depositing green-yellow gold coatings. The gold-silver alloy has a fineness of approx. 18 carats. The coatings are gold-saving, they are bright even as thick layers. For thin layers, a variant with a low gold content is available (AURUNA® 570 LC).
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What does 375 mean on jewelry?

'375' gold is just one of many different types of hallmarks. If a gold product bears the hallmark '375', then your gold has been tested and classed as 9 carat or 37.5 per cent pure. The remaining 62.5 per cent of the item is composed of different metals such as nickel, copper, or in some cases silver.
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How do you tell if the white gold is real?

Here are some ways to tell . . .
  1. White gold does not tarnish. ...
  2. Platinum is harder and shinier than white gold. ...
  3. Aluminum doesn't look like a precious metal. ...
  4. Stainless steel is harder than silver, platinum or gold. ...
  5. White gold can be quickly detected using a small gold testing kit.
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How do you tell if a diamond is real with a flashlight?

Simply hold the loose diamond near a light source, like a lamp, and see the reflection of the light from the diamond. This test will be best if there is another gem that you'll compare along with it, like cubic zirconia. You'll see how different their effects are to light.
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What does 333 mean on gold?

While some gold items are marked “333,” others are marked “8K,” but both markings refer to the same gold purity. Items marked 333 or 8K consist of 33.3% pure gold. In the US, these markings are quite uncommon, as these types of gold come from German- speaking countries and some Scandinavian areas.
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What does 585 mean on jewelry?

If a gold product bears the hallmark '585', then your gold has been tested and classed as 14 carat or 58.5 per cent pure. The remaining 41.5 per cent of the item is composed of different metals such as nickel, copper, or in some cases silver.
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Can you get 8ct gold?

A higher proportion of copper (46.7%) than silver (20%) allows for an orange-gold end product and if, in addition to the 33.3% gold, only copper makes up the alloy, then the material is red gold. Besides the term "333 gold", this alloy is also referred to as 8-carat gold, 8K gold or 8-carat gold.
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What is the symbol of hallmark gold?

According to the Department of Consumer Affairs website, hallmark consists of 3 symbols which give you some information. In this, the first symbol is the BIS logo, the second symbol indicates purity and fineness and the third symbol is the HUID.
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What does 930 mean on jewelry?

It comes in two grades, either containing 93.5% or 96% silver. Argentium is patented and trademarked by the Argentium Silver Company, who uses 'ARGENTIUM®' or a detailed 'flying unicorn' symbol to mark its authenticity. When hallmarked, the 93.5% grade is still classified as sterling silver and is stamped with 930.
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Can you stamp fake gold?

If the piece is real gold, the stamp should bear a manufacturer's mark and a karat marking, such as 14K or 24K. Fake gold may bear a karat mark, but will not have a manufacturer's mark.
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How can I tell if my jewelry is white gold or silver?

You can tell sterling silver and white gold apart by searching for the hidden 925 on the jewelry piece, indicating the sterling silver composition. White gold is actually yellow gold combined with an alloy such as nickel, silver, platinum or palladium.
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How can you tell if something is gold or gold plated?

Acid test.

An acid test can reveal the karat of solid gold jewelry, but it can also show whether jewelry is solid gold or gold-plated. With an acid test, a small sample of the jewelry is removed and exposed to acid to induce a color change. The resulting colors indicate which type of metal the jewelry is made of.
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What does 575 mean on jewelry?

Common purity stamps are: 999 or 999.9 indicating 24 karat gold. 585, 583, 575 or 14K indicating 14 karat gold. 417 or 10K indicating 10 karat gold.
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What does 990 mean on jewelry?

Material: 990 Sterling Silver Rings, 99% Pure Silver And 1% Alloy. There Is A Chinese Letter Stamp On The Inside Of The Ring(Means Solid Silver). 990 silver generally refers to a silver product containing about 99% of silver, and the purity is about 99% which means that it is regarded as pure silver.
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What does 750 mean on jewelry?

750' gold is just one of many different types of hallmarks. If a gold product bears the hallmark '750', then your gold has been tested and classed as 18 carat or 75 per cent pure. The remaining 25 per cent of the item is composed of different metals such as nickel, copper, or in some cases silver.
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What does BBB mean on jewelry?

Better Business Bureau

Allegiance Gold is an accredited business with BBB and has achieved the highest rating of an A+. This means the BBB has determined that Allegiance Gold meets BBB accreditation standards.
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