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https://www.jewelry-auctioned.com/learn/jewelry-how-tos/how-to-understand-the-meaning-of-gold-hallmarks
White Gold. Fine gold is combined with a big percentage of silver, together with the nickel and zinc to achieve the white color. In order to catch a white color sometimes jewelries have been plated with rhodium. In the year 1920-1930, white gold is considered to be an attractive color over the platinum jewelry.
https://www.starcojewellers.com.au/h-jewelry/hallmarks-white-gold-jewellery.html
Jul 14, 2020 · An “18K” mark means white-gold jewellery is 75 per cent pure gold, or 18 parts pure gold out of 24 (“750” and “18KP” marks also indicate 18-karat gold jewellery). White-gold jewellery marked “14K” is 53.8 per cent pure gold, or 14 parts pure gold out of 24.
https://www.gold-traders.co.uk/hallmarks/
Gold-Traders has compiled a gold hallmark identification wizard to help decipher the markings that are stamped on your item.. Have a look at your piece of jewellery. If it was made in a country that adheres to the Convention on the Control and Marking of Articles of Precious Metals (otherwise known as the Common Control Mark), you should find a set of hallmarks / stamps.
https://www.briangavindiamonds.com/news/how-do-you-tell-if-a-ring-is-14k-white-gold/
Dec 04, 2015 · Jewelry which was manufactured in Europe, might be marked with numbers that represent the gold content, such as 585 for 14k gold, and 750 for 18k gold. If the ring is stamped with one of these alloy marks and is white in color, then it is probably white gold, and if it’s yellow in color it is yellow gold.
https://goodjewelleryguide.com/jewelry-hallmarks-guide/
The first requirement for all jewelry to be found on the market is to have these marks. There are some generally accepted rules and signs around the world. If you have gold jewelry, you should see markings like 18k, 14k, 10k, 750, 585, or 375. If you have silver jewelry, you should see markings like 925 or 800.
https://www.langantiques.com/university/hallmarks-on-period-jewelry/
Hallmarks on Period Jewelry. For estate jewelers and jewelry historians, hallmarks provide for an extra source of information to accurately date a jewelry object and determine by whom it was made. The most encountered hallmark on jewelry is undoubtedly the “purity” mark which indicates the total amount of gold or silver used to manufacture ...
https://www.gold-traders.co.uk/blog/simple-gold-hallmark-guide/
Jan 04, 2008 · Simple Gold Hallmark Guide. If you require more help in identifying a gold hallmark, try our gold hallmark identification wizard. Hallmarking (also called assay or standard marking) is the official quality control mark that determines the purity of gold and other precious metals. To receive a price quotation using our scrap gold calculator, you ...
https://www.sellyourgold.com/faq/my-items-gold-silver-or-platinum
Hallmarks are distinguishing characteristics that are stamped on gold, silver and platinum items - typically to identify the items purity. There are also hallmarks that can identify where the item was made (called a makers mark), the office the metal was tested in, the year, and the designer.
https://www.invaluable.com/blog/guide-to-jewelry-marks/
Apr 06, 2020 · A piece of jewelry with an etching that reads “18k” or “750” indicates that it is made up of 75 percent gold, while a “14k” or “585” mark indicates the metal is constructed with 58.5 percent gold. Detail of maker’s marks on an Italian 18K yellow and rose gold bracelet, mid 20th century. Sold for $3,000 via Alex Cooper (October ...
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