Last Updated: February 5, 2020 Platinum is a rare precious metal primarily used to create fine jewelry. To the untrained eye, platinum, silver, and sterling silver may appear very similar at first glance. Platinum is a rare precious metal primarily used to create fine jewelry. Because it is both dense and malleable, it is ideal in jewelry production. This is due to a number of factors, including its rarity, higher levels of purity when used in jewelry, and the complex level of expertise and tools required when crafting jewelry from platinum. What is platinum? Hallmarks are distinguishing characteristics that are stamped on gold, silver and platinum items - typically to identify the items purity. Product knowledge is vital. Thanks to all authors for creating a page that has been read 612,667 times. Since about 1900, platinum came into use in a major way in the making and manufacturing of jewelry. The greater the percentage of platinum in your jewelry, the more value the … When an item is stamped “925 Platinum,” it means that it is made of 92.5% platinum. Approved. There are 15 references cited in this article, which can be found at the bottom of the page. Don't drop acid on clasps or other important sections. Because of the purity of platinum, it is suitable to all skin types, no matter how … or 600 Plat. The DR probably refers to the maker of the jewelry. If it’s stamped with the letters PLAT, PT, or the word Platinum, it is platinum jewelry. Understanding the metal content of your piece can help you make sure you get the quality for which you're paying. Platinum is the now-most-sought-after metal especially for engagement and wedding jewellery, particularly for rings. This article received 17 testimonials and 86% of readers who voted found it helpful, earning it our reader-approved status. ", "I tried the hydrogen peroxide, and it worked just like you said it would. That makes the tea 900 parts per thousand of your mix. The rest is an alloy, which is mixed with the platinum. This means that 95% of the content of a piece of platinum jewelry is pure platinum and 5% is another platinum … Platinum is a heavy, precious metal, gray-white in color and noncorrosive. Both industry experts and jewelry retailers are slowly … We use cookies to make wikiHow great. The major platinum jewelry … Pt is the name. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. If you get any acid on your hands you will burn your skin. When considering platinum jewelry, the purity mark “950” denotes a composition of 95 percent platinum with a mix of other metal alloys, while “900” is made up of 90 percent platinum, and … Platinum content is usually expressed as the amount of pure platinum the jewelry contains in parts per thousand. for 600 parts pure platinum and 350 parts iridium, "550Pt. Each piece is stamped to mark its metal content, and you can also use the … Platinum does not wear away and holds precious stones firmly and securely. Helped me to understand markings on my jewellery and I looked up the makers and found who made the, "An item of jewelry was given to me as a gift and was described as Platinum. Platinum jewelry with 15% to 50% base metals also may be labeled "platinum.” These platinum/base metal alloys contain from 50 to 85% pure platinum, but the total of pure platinum and other platinum … Only rhodium is more expensive than platinum. Platinum … This ushered in the Edwardian era, known for its exceptionally fine yet durable lace-like platinum work. % of people told us that this article helped them. Is a marking PLAT 950 silver or platinum? Medical Definition of platinum : a heavy precious grayish white noncorroding ductile malleable metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, … Wear gloves to protect your hands and work over a towel to protect your workspace. Using an Acid Scratch Testing Kit Use an acid testing kit on hard-to-verify jewelry. All modern platinum jewelry requires stamps indicating metal content. However, you can also use an 18-karat gold testing acid to identify pure or sterling silver. Typically, you'll find metal content stamps near the clasp on necklaces and bracelets, on the inside surface of rings, and on the backs of earrings, pin… Standard Jewelry Abbreviations for Metals. ", "Well written and interesting to a confused reader. By signing up you are agreeing to receive emails according to our privacy policy. Note that a “950 Platinum” mark indicates that jewelry is 95 percent pure platinum, or 950 parts pure platinum out of 1,000. "DR STERLING" is stamped on the back oan a silver and onyx pendant I bought in New Mexico years ago-any meaning on the DR? But how can you determine if jewelry you already own is made of platinum? For instance, "600 Pt. PLAT means platinum, and the 950 means that is it 950/1000 or 95% platinum. Determining the Alloy Metal Quality Find out what metal the platinum is mixed with. ", "Helped to identified the real silver and platinum.". Platinum holds fine gemstones firmly in place for the life of the jewelry when used for prongs and other setting components. Because of its hardness and … If you can't read the markings on your jewelry, or there aren't any, read the article for tips on testing jewelry with an acid testing kit, a silver testing solution, or hydrogen peroxide. For example, an authentic piece of platinum jewelry might have a stamp reading “PLAT999.". 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