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https://www.specialtymetals.com/blog/2014/5/2/how-much-platinum-does-your-platinum-jewelry-really-contain
May 02, 2014 · If an item is simply stamped as “platinum,” “plat,” or “pt.” with no other markings, that means that it contains at least 95% pure platinum - if it was legally sold in America. If it is stamped with a marking like “850Plat,” that means that it contains 85% pure platinum. Sometimes stampings will indicate the other metals that are present in the jewelry too.Estimated Reading Time: 2 mins
https://www.consumer.ftc.gov/articles/platinum-gold-and-silver-jewelry
Platinum Jewelry. Platinum jewelry is rarely made with 100% pure platinum. Instead, platinum is mixed with similar metals or non-precious base metals. Generally, jewelry with a higher percentage of pure platinum is worth more. The metals used in platinum jewelry usually fall into one of three categories: pure platinum
https://www.jewelrynotes.com/platinum-jewelry-selling-tips/
Platinum is an extremely popular type of metal that is used in jewelry – especially wedding bands. The white metal has a high appeal and is somewhat rare when it comes to metals. When you want to sell your platinum jewelry, there are a few things to be on the lookout for.
https://www.jewelove.in/pages/how-to-calculate-resale-value-of-old-platinum-jewellery
Nov 27, 2016 · Value of Platinum in the sample = (Weight of Platinum x Purity of Platinum x Rate of Platinum today) / 100 Example, let's say the sample weighed 10 grams with a purity of 95% & rate of raw platinum today is ₹ 2,200 per gram Value of Platinum Today (using percentage purity) = 10 x 95 x 2,200 / 100 = ₹ 20,900 onlyEstimated Reading Time: 40 secs
https://www.gleimjewelers.com/platinum.shtml
Jewelry containing less than 50% pure platinum content cannot be marked with the word 'platinum' or any abbreviation thereof. Federal laws regulate the accuracy of all jewelry metal alloys and, like karat gold jewelry, platinum jewelry must be stamped with the quality of …
http://www.barryjayjewelers.com/platinum.html
Platinum jewelry is pure. In the United States platinum jewelry generally contains anywhere from 85 to 95 percent pure platinum. By comparison, 18-karat gold is 75 percent pure gold and 14-karat gold is only 58 percent pure gold. If a piece of platinum jewelry is marked "Platinum" then it contains at least 95 percent pure platinum.
https://www.wikihow.com/Identify-Platinum-and-Silver-Jewelry
May 06, 2021 · Pure platinum is a soft metal, so alloys are added to strengthen the finish. Cobalt, which is quite hard, is becoming popular as a platinum alloy. Because cobalt is slightly magnetic, some platinum jewelry may react to a magnet. Platinum/cobalt alloys will usually be stamped as PLAT, Pt950, or possibly Pt950/Co.
https://www.thespruce.com/how-to-tell-if-your-jewelry-is-valuable-in-three-steps-2043563
Jul 02, 2020 · Tip: When determining the value of chains, the longer and heavier your gold or platinum jewelry is, generally the more valuable it is. Step 3: Inspect the prongs Some higher-quality costume jewelry uses prongs just like in fine jewelry, but a lot of the stones are glued into place.
https://quickjewelryrepairs.com/articles/is-platinum-jewelry-worth-buying/
This platinum ring is extremely scuffed and worn. Platinum is ranked as the top metal out of all of the silvery-white jewelry metals, and with good reason. Its color does not change, and jewelry-grade platinum is commonly rated as 90-95% platinum content. In contrast, other metals such as white gold may only contain about 40 to 50% gold content ...
https://www.wikihow.com/Identify-Quality-in-Platinum-Rings
Jun 16, 2021 · Platinum is the high-quality standard for wedding bands, engagement rings, and other fine jewelry. Its durability, natural white-silver finish, and density make this rare metal desirable in rings for both men and women. However, platinum...Views: 129K
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