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Fine Jewelry University Articles matching: “platinum ring”

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Fine Jewelry University (Show All FJU Articles)

  1. Platinum

    … a platinum engagement ring needs the care and attention it deserves especially for its symbolic and sentimental value. Although platinum possesses excellent qualities, it is advisable to follow a few simple steps to help keep your platinum ring looking its best. You should avoid wearing it while doing manual work, at gym or playing sports or while working with abrasive substances. One ought to remember that platinum is not scratch proof. Similarly you should not wear it while …

  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. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    … often plated to give it a brighter finish. White gold alloys are often plated with Rhodium which is a member of the Platinum family. People are unlikely to be allergic to Rhodium, but as the plating wears off, irritation can start due to the… for the metal that’s causing the allergic reaction while making the new ring out of a completely different metal. Platinum is hypoallergenic and generally a safe bet for people with allergic reactions to metals. There are also alloys of …

  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. The different parts of an engagement ring

    Anatomy of a Ring

    … know it was sized looking at the shank with your naked eye. Over time, the shank can wear thin—yes, even gold and platinum can wear away. In such cases a jeweler can “re-shank” the ring by replacing the metal at the bottom of the shank, …Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need … ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start …

  6. 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 …

  7. 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 …

  8. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    … component, the stone will appear redder. Alexandrite has a refractive index of 1.746-1.755 with an average birefringence of .010. It has a specific gravity of 3.73 and a Mohs hardness of 8.5. Because of its high hardness, alexandrite is … alexandrite’s tremendous value and rarity, it is recommended to be worn carefully or put in jewelry such as earrings or pendants that are less prone to impacts than rings, for example. Alexandrite isn’t the only stone to display color-…

  9. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    …this gem as blue zoisite. The vast majority (current estimates are around 95%) of tanzanite is heat treated to help bring out the vibrant blues. The stones that haven’t been heated by humans were heated through natural effects while they … Manuel de Sousa who Ali showed the stones to. Manuel had originally thought he found sapphires, but after discovering they were too soft, he started searching for answers as to what these gems could have been. They went to MIT geologists…