Warning: You appear to be using an obsolete browser, and soon you may not be able to access our website. We strongly recommend that you upgrade your browser as soon as possible.

Search Results

Fine Jewelry University Articles matching: “Stamp for platinum”

Showing only FJU Article results. Click here to show all results.

Fine Jewelry University (Show All FJU Articles)

  1. Platinum

    Everything you ever wanted to know (and more) about Platinum and its use in jewelry. Platinum is one of the rarest and most durable precious metals. Platinum‘s rich, white … will maintain its shining luminosity forever, unlike other white metals which can, in time, turn yellow or tarnish. Platinum belongs to the noble and precious metals family. It is resistant to tarnishing and discoloration due to chlorine and… popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum‘s purity makes it hypoallergenic and ideal for

  2. The Difference Between White Gold and Platinum

    The first difference between white gold and platinum is the most basic and is the foundation of all the other differences. White gold and platinum are different metals. …alloy. The white color is achieved by a careful choice of the alloying metals, which bleach the yellow of pure gold. Platinum is a naturally white metal. It does not need to be alloyed for color. Jewelry platinum is typically an alloy … usually marked with .900 or .950 to mark its fineness. Some manufacturers state what alloy they are using like 90% Platinum 10% Iridium. How white gold and platinum start out is one of the key differences. White gold even in the best mixture…

  3. Gold Purity and The Differences Between White and Yellow Gold

    … that white gold for engagement ring and wedding jewelry was originally developed in the 1920’s as a substitute for platinum. Nowadays, they are jewelry metals in their own right and currently very fashionable and desirable. White gold is … is a 14 karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. In most engagement rings the stamp in the ring is 14k or sometimes 585. Both of those stamps mean the wedding ring is 14 karat gold. So the only pure …

  4. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    … into the hinge and destroying its mobility. Antique filigree that is broken can be repaired. Restoring antique platinum jewelry is now possible with Arden Jewelers’ laser. The laser can also help Angelo create very complicated pieces and …? All the traditional metals can be laser welded, including base metals, karat gold, sterling silver, palladium and platinum, offering a complete array of design, redesigns and repair options. Platinum traditionally is the most difficult …

  5. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … at risk of falling out of the mounting. Retipping is the process of adding a small amount of metal (usually gold or platinum) to the top of worn down prongs to keep the gemstone secure. In the past, almost all gemstones had to first be …flashing is only about 0.175 microns (or 0.000005 inches) thick. What is Rhodium Plating? Rhodium is a member of the Platinum family of metals, but it is actually whiter and harder than platinum. Rhodium plating is done the same way as gold …

  6. See the Star White Gold difference

    Star White Gold

    …When white gold rings are new they are coated with a white metal called rhodium. Rhodium is a metal very similar to platinum and rhodium shares many of the properties of platinum including its white color. The rhodium plating is used to make …years I have been telling my clients about the problem with no real solution. I have an article on white gold versus platinum you can read that explains the issues. But now we have a solution! No Plating, Just Brilliantly White Gold We have …

  7. Caring for and Cleaning Your Jewelry

    … chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). Abrasive cleaners and toothpaste or toothpowder will also scratch the metals. This will take away the shine. … hardest at 10. Talc is listed as 1 the softest. Pure gold (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5. This shows why jewelry metals get scratched by things like hard …

  8. A group of art deco and art nouveau rings together

    Art Deco vs. Art Nouveau Style Jewelry

    … were not just adornments but works of art. Many Art Nouveau jewelry pieces were made in silver, but white gold and platinum were quite common as well. The diamonds used in Art Nouveau jewelry were typically Old Mine cuts, but Old European …embraced symmetry, bold colors, and streamlined forms influenced by Cubism and the Machine Age. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials …

  9. Brands and Designer Jewelry

    … must meet the most stringent of quality standards. Jewelry brands must use quality metals (like high-karat gold and platinum), first-rate gems, and highly skilled jewelers to meet their obligation. Status When a jewelry brand reaches a level…Status, style, and quality are the three attributes that luxury jewelry brands are known for. Jewelry brands or designers have a high standard to live up to or they are abandoned. There is no excuse for poor … expect. Style Jewelry styles must look good and be wearable. A particular piece may be very well made and last for years, but if it goes out of fashion, people won’t generally want to wear it. It is important that a jewelry brand …