But, unlike gold, platinum is not measured in karats. 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. Because it is both dense and malleable, it is ideal in jewelry production. The etchings may be on the clasp, a tag, or the largest part of the jewelry. The bottle labels will indicate which metal they are used to test for. Platinum is a heavy, precious metal, gray-white in color and noncorrosive. Don't drop acid on clasps or other important sections. ", How to Identify Platinum and Silver Jewelry, https://www.youtube.com/watch?v=MiGrtLoJ2dY&feature=youtu.be&t=71, https://www.zales.com/jewelry101/index.jsp?page=preciousMetals, https://www.consumer.ftc.gov/articles/0294-platinum-jewelry, http://blog.stuller.com/working-with-platinum/?utm_source=Platinum_questions, https://www.pricescope.com/journal/overview_common_alloys_used_jewelry, https://www.youtube.com/watch?v=xQHoiWF7TkE&feature=youtu.be&t=127, http://www.danaraejewelry.com/is-my-sterling-silver-real.html, https://www.youtube.com/watch?v=MBseKUZ0OvA&feature=youtu.be&t=111, https://www.youtube.com/watch?v=xQHoiWF7TkE&feature=youtu.be&t=148, https://www.youtube.com/watch?v=MBseKUZ0OvA&feature=youtu.be&t=262, https://www.youtube.com/watch?v=sbFPreBkjQU&feature=youtu.be&t=28, http://www.chemicool.com/elements/platinum.html, https://www.youtube.com/watch?v=i6JQZGSyzuk&feature=youtu.be&t=23, https://www.youtube.com/watch?v=5uAonn4T-Us&feature=youtu.be&t=80, Riconoscere Gioielli di Platino e d'Argento, отличить платиновые украшения от серебряных, identifier un bijou en platine ou en argent, Bestimmen ob ein Schmuckstück aus Platin oder Silber ist, Mengidentifikasi Perhiasan Platinum dan Perak, Platin ve Gümüş Mücevherler Nasıl Tespit Edilir, consider supporting our work with a contribution to wikiHow. What does this mean? wikiHow marks an article as reader-approved once it receives enough positive feedback. Platinum … Platinum, rhodium and palladium are the most frequent ores used in platinum jewelry. By signing up you are agreeing to receive emails according to our privacy policy. ", "Helped to identified the real silver and platinum.". ​Carly Wickell is a writer and jewelry expert. Platinum is the rarest and most expensive of the precious metals. 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. Platinum is one of the heaviest metals used to make estate jewelry. Platinum Purity Considered among the most pure and precious metals used in modern -day jewelry making, platinum has become synonymous with luxury and longevity. Hydrogen peroxide can be found at most grocery stores. If it was marketed as platinum, chances are you got ripped off and were sold a silver ring, or the ring is silver and plated with another metal, such as rhodium or platinum. As you have read above, the "950" designation doesn't really mean … As we are approaching the new millennium and as platinum … Its heavy weight and durability make platinum a metal that will not wear away with constant use like gold. Only metals marked with a 950 or 900 purity designation are considered high-grade platinum. This article has been viewed 612,667 times. ", "Took silver test solution, and test stick works very well. But how can you determine if jewelry you already own is made of platinum? 50Irid." for 550 parts pure platinum, 350 parts palladium and 50 parts iridum. Include your email address to get a message when this question is answered. What is platinum? Also, platinum isn't really white—it's actually a gray color. What does the number 5372 mean on a ring? 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. The US Federal Trade Commission, FTC, publishes guidelines for acceptable marking standards for platinum jewelry sold in the US. If you're still unsure about the authenticity of your jewelry, see a reputable jeweler. When an item is stamped “925 Platinum,” it means that it is made of 92.5% platinum. Approved. Jewelry can contain different percentages of pure platinum. Its density and weight make it a durable jewelry metal. The letters PT and PLAT are often used to indicate platinum is used. ", "I tried the hydrogen peroxide, and it worked just like you said it would. Great article! There are 15 references cited in this article, which can be found at the bottom of the page. Buy a kit that can test for both silver and platinum. Only rhodium is more expensive than platinum. This means that 95% of the content of a piece of platinum jewelry is pure platinum and 5% is another platinum … Determine what … If you get any acid on your hands you will burn your skin. These markings indicate that your jewelry was made in Italy and is real sterling silver. For example, a stamp that says “S925” indicates that the jewelry is sterling silver. If you want to identify whether a piece of jewelry is platinum or silver, first examine the jewelry for any etchings in the metal. The most common alloy used to harden sterling silver is copper, which is not magnetic. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. How about PTL on a fancy antique little baby picture holder? If you have a chance to compare platinum and silver side-to-side, it's easy to distinguish the differences between them. ", "Well written and interesting to a confused reader. Purity is the game. The word platinum … Keep all acids and acid testing kits out of the reach of children. ", "Very helpful in determining if items are of value when disposing of them. Both industry experts and jewelry retailers are slowly … If a ring is stamped 925, is it platinum? Platinum is one of the most popular metals of choice for ring settings, because the strength and color of platinum … Platinum jewelry is rare and exotic, and is the fastest growing jewelry … References Platinum jewelry is the perfect choice for a lifetime of everyday wear. However, "925" would indicate that the jewelry is sterling silver. If it dissolves, it's not. The metal was first discovered in 1557. "529" probably refers to a maker or manufacturer. We use cookies to make wikiHow great. Will now test my jewelry. Here are some important platinum facts regarding content markings: The FTC is currently considering a request to allow manufacturers to mark jewelry as platinum even if it contains metals that are not part of the platinum group. Understanding the metal content of your piece can help you make sure you get the quality for which you're paying. When you select platinum jewelry, you’re buying a product that consists of a metal that’s almost entirely pure – 90-95%. I thought it was white gold and your, "All the steps helped me especially how to identify between platinum and silver by the letter markings. Many jewelry marks represent the metal content of the piece. Well, that certainly tells you something. He completed his residency in graduate gemology at the G.I.A. She has a special interest in vintage jewelry. But before you pay your good money for a piece of jewelry, here is … It's a metal that's elegant when used all by itself to create a piece of jewelry, either a simple polished item or a design with engraved motifs. Using an Acid Scratch Testing Kit Use an acid testing kit on hard-to-verify jewelry. Platinum/cobalt alloys will usually be stamped as PLAT, Pt950, or possibly Pt950/Co. If the line stays, it's platinum. Most tests have acids specifically for silver. The platinum group of metals (PGM) are platinum, iridium, palladium, ruthenium, rhodium and osmium. This is important because silver-plated and sterling silver items look virtually identical to the untrained eye. The greater the percentage of platinum in your jewelry, the more value the … "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? Platinum holds fine gemstones firmly in place for the life of the jewelry when used for prongs and other setting components. Could it be genuine? The easiest way to determine the metal used in your jewelry is by examining the hallmarks or markings. For example, an authentic piece of platinum jewelry might have a stamp reading “PLAT999.". Platinum is a precious heavy metal. Last Updated: February 5, 2020 Mined from deep within the Earth and … ", "Clear and concise instructions to help identify sliver and platinum jewelry. ", "Great information at no cost. 350 Irid." This article was co-authored by Edward Lewand. Although some alloys may be billed as platinum by jewelry sellers, there are stringent requirements for what constitutes a 'pure' platinum piece. Product knowledge is vital. 50Ir." High-end rings, bracelets, necklaces, and earrings are fashioned from Platinum. Its heavy weight and durability make platinum a metal that will not wear away with constant use like gold. Common Platinum Jewelry Hallmarks Just like gold, platinum is measured by its fineness. Also, you must include the alloy present in the mix if the piece contains less than 85% pure platinum. Acid can burn your skin and is fatal if ingested. Jewelry stores who sell high quality platinum offer 950 Grade (95% pure platinum) jewelry. By using this service, some information may be shared with YouTube. Edward Lewand is a Graduate Gemologist & Accredited Appraiser with over 36 years of experience in the jewelry industry. Jewelry that contains at least 950 parts per thousand of pure platinum may be marked or described as "Platinum". As with most metals for jewelry… 350Pd. test, and unfortunately, no bubbles. This article was co-authored by Edward Lewand. By using our site, you agree to our. If you use the 18-karat gold acid test to test on silver, the line will turn a milky white color. Platinum is the now-most-sought-after metal especially for engagement and wedding jewellery, particularly for rings. wikiHow is where trusted research and expert knowledge come together. However, you can also use an 18-karat gold testing acid to identify pure or sterling silver. If the stamp reads "999", "S925," "925S", "Pure Silver", or "Sterling Silver", then your medal is made of genuine silver. That makes the tea 900 parts per thousand of your mix. 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, … Thank you for the easiest, safest test. He is a Certified Appraiser of the Appraiser Association of America (AAA) and an Accredited Senior Appraiser (ASA) of the American Society of Appraisers In Gems and Jewelry. Identify this type of jewelry by any of these other marks: “Plat 950,” “Pt950,” … There is considerable confusion about the meaning of quality marks that are seen on jewelry … A quality mark contains information about metal content that appears on an article. The acronym PTL refers to a kind of sheet metal and is not a precious metal. Graduate Gemologist & Accredited Appraiser. Wear gloves to protect your hands and work over a towel to protect your workspace. So to verify I was doing it the right way, I tried a couple of my rings and the silver ones bubbled almost immediately. 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 … However, with a little practice, you'll be able to tell the difference in no time! Lay a towel down underneath the stone to protect your work surface from scratches. Another way to express that is to say that tea makes up ninety percent of the mix. 350 Ir." "Platinaire" is an alloy that contains 92.5% silver and 5% platinum, with the 2.5% remaining usually consisting of copper or gold. This article received 17 testimonials and 86% of readers who voted found it helpful, earning it our reader-approved status. There's no question that there are many advantages to choosing platinum over white gold. Examine the color and weight of the piece, as well. If for instance, jewelry contains 50% platinum and 50% gold, that piece can not contain a hallmark indicating the piece contains platinum. % of people told us that this article helped them. All modern platinum jewelry requires stamps indicating metal content. As platinum jewelry continues to gain market share, nearly every jeweler will have contact with this most precious metal. "I have always wondered about the metal of a simple bracelet I have worn for over 30 years. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. in 1979, New York and now specializes in Fine, Antique and Estate Jewelry, consultations and expert witness work. in 1979, New York and now specializes in Fine, Antique and Estate Jewelry, consultations and expert witness work. If the jewelry is stamped with the number 925 or the letter S, it is made of sterling silver. If it’s stamped with the letters PLAT, PT, or the word Platinum, it is platinum jewelry. Platinum content is usually expressed as the amount of pure platinum the jewelry contains in parts per thousand. 350Pall. Instead, it probably refers to the brand or manufacturer. If the kit doesn't include gloves, buy some separately. This article has been viewed 612,667 times. Is a marking PLAT 950 silver or platinum? Here to help you navigate your platinum jewelry purchase with education and insights into the latest styles from leading experts. for 600 parts pure platinum and 350 parts iridium, "550Pt. If you can't find … Platinum is much denser than silver, so it will have more heft to it. 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. The acid may damage any smaller workings in the jewelry. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Instead, it is measured by its purity percentage. or "550Plat. It is usually stamped or inscribed on the piece. Hydrogen peroxide won't corrode or damage your jewelry. Purity is the percentage of pure platinum that is in your jewelry or item. The stone will scratch and damage a small section of the jewelry. Platinum does not wear away and holds precious stones firmly and securely. In the 1700's platinum was discovered in South America. Jewelry can be made from a variety of metals, including gold, silver, and platinum. Platinum derives its name from the Spanish word “platina,” meaning “little silver.” 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 … I have a silver bracelet with marks "Italy" and "925". The major platinum jewelry … Platinum is often used to produce the finest jewelry and for setting expensive gemstones. Anything less should not be considered either pure or hypoallergenic or of substantive quality. If the solution turns white, the metal is 92.5% silver, or sterling silver. Platinum has come a long way from being a metal affordable only by the elite, being accessible even to middle class patrons. Standard Jewelry Abbreviations for Metals. Our Expert Agrees: When you're testing for platinum, you scrape a little piece of the jewelry on a stone, then you drop nitric hydrochloric acid on it. … I used the peroxide, "Great answers. For instance, "600 Pt. Pt is the name. ", "The literature, characters, and photographic information helped! Platinum vs Silver Value. No. Ask your jeweler to explain platinum content and markings if you are not sure which combination is the most suitable for your jewelry purchase. To the untrained eye, platinum, silver, and sterling silver may appear very similar at first glance. Choose an inconspicuous part of the jewelry to rub against the stone. If you doubt your results, test the jewelry again to be sure. ", "I used the magnet method and it seemed to work fairly well. or 600 Plat. Because of its hardness and … These six related metals belong to the Platinum Group of Metals, or PGM: As long as 50% of the alloy contains platinum and some other combination of metals above, the piece can be labeled as containing platinum. There are also hallmarks that can identify where the item was … He is a Certified Appraiser of the Appraiser Association of America (AAA) and an Accredited Senior Appraiser (ASA) of the American Society of Appraisers In Gems and Jewelry. The metal also looks stunning when combined with contrasting touches of 18K yellow gold. Think about it like this: you mix up a huge bucket of fruit tea that contains 1,000 ounces--900 hundred of the ounces are plain tea and 100 are fruit juice. 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… Jewelry that contains 850, 900 or 950 parts per thousand of pure platinum may be marked "Plat" or "Pt" if a number is used in front of the term to disclose the amount of pure platinum in the mix, such as : Jewelry that contains at least 950 parts per thousand of platinum group metals, with at least 500 parts per thousand of the total pure platinum, may be marked as platinum as long as the numbers of each metal are disclosed. He completed his residency in graduate gemology at the G.I.A. Platinum is the most expensive of the precious metals. Because of the purity of platinum, it is suitable to all skin types, no matter how … This number doesn't match any common numbers that indicate the purity of the metal. Note that a “950 Platinum” mark indicates that jewelry is 95 percent pure platinum, or 950 parts pure platinum out of 1,000. Each piece is stamped to mark its metal content, and you can also use the … The STERLING part indicates that your jewelry is real sterling silver. The .925 stamp is reserved for sterling silver, and refers to the silver content, at 925/1000 or 92.5 percent silver. I believe that the desire for "950" platinum is primarily driven by the fact that 950 is a bigger number than 900 - it looks better in "print" - so it must be "better". Thanks to all authors for creating a page that has been read 612,667 times. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f1\/Identify-Platinum-and-Silver-Jewelry-Step-1-Version-2.jpg\/v4-460px-Identify-Platinum-and-Silver-Jewelry-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/f\/f1\/Identify-Platinum-and-Silver-Jewelry-Step-1-Version-2.jpg\/aid1265826-v4-728px-Identify-Platinum-and-Silver-Jewelry-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}, Using a Testing Solution Directly on Silver, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/74\/Identify-Platinum-and-Silver-Jewelry-Step-9.jpg\/v4-460px-Identify-Platinum-and-Silver-Jewelry-Step-9.jpg","bigUrl":"\/images\/thumb\/7\/74\/Identify-Platinum-and-Silver-Jewelry-Step-9.jpg\/aid1265826-v4-728px-Identify-Platinum-and-Silver-Jewelry-Step-9.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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