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Fine Jewelry University Articles matching: “4c marking in gold ring”

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Fine Jewelry University (Show All FJU Articles)

  1. A pile of scrap yellow gold jewelry

    Gold Purity and The Differences Between White and Yellow Gold

    …with gold. A plated piece of jewelry has a thin layer of gold over a base or non gold metal. Some plated jewelry has markings that look like real solid gold. For example, a plated piece can be stamped: 14k HGE or 18k GE. HGE means …. You can learn more about gold plating on our FAQ page. Sometimes engagement rings are stamped 14KP. The 14KP is a marking for plum gold which is a true mix of 14 karat gold. Some governments allow 13.5k to be stamped 14k so the 14KP tells …

  2. A White Gold band next to a Platinum band

    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 … is itself a white metal. White gold and platinum have their own properties that make them unique. How is white gold made? White gold is an alloy of gold and some white metals such as silver, nickel or palladium. The white color is … a careful choice of the alloying metals, which bleach the deep yellow of pure gold. The amount of alloy mixed with gold is called its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold

  3. See the Star White Gold difference

    Star White Gold

    How white is your white gold? Style, fashion, and beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is …, not all gas is created equally. We have all had the experience of poor performance due to poorly made gas. White gold also has three grades. Grade 3 is off white, grade 2 is standard, and grade 1 is premium. This means that when white … shares many of the properties of platinum including its white color. The rhodium plating is used to make the white gold look whiter. The natural color of the white gold could actually be a light yellow color. The rhodium is very white …

  4. Measuring Gold Weight

    The old riddle goes: what weighs more a pound of feathers or a pound of gold? Some say gold because it is heavier. Others say they are both a pound so they weigh the same. Both are wrong. How …Tradition. Gold is not weighed in the ordinary weights. Gold is weighed in the troy measurement system. One ounce of gold is not the same as the ordinary ounce (really called avoirdupois ounce). The best way to understand this is to …. An avoirdupois ounce converts to 28.34 grams approximately. The troy ounce is 31.1 approximately. You say, “Aha! Gold weigh more, so a pound of gold weighs more than a pound of feathers.” Unfortunately there is one more piece of the …

  5. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    Nothing is more frustrating than being unable to wear your engagement ring or other jewelry because it irritates your skin. Don’t worry. There are many options you have when faced with this …but their root causes and solutions are very different. Physical Irritation This can be caused by the design of the ring, a rough area that is the result of normal wear and tear, or a ring that is not sized correctly. If the ring is too … irritation and the solution may simply be to size the ring up slightly. Likewise, if there is a rough spot on the ring, that can normally be smoothed out by a jeweler. Changes in diet can dramatically affect our finger sizes. So, if the …

  6. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    …. A micron is roughly equal to 4/100,000 or 0.00004 inches. Gold plated jewelry is often indicated with a “GP” marking stamped somewhere on the piece. Heavy Gold Electroplating is gold plating with a minimum thickness of 2.5 microns. Look … you have a question that you don’t see answered here, please contact us and let us know. A gemstone fell out of my ring. Will the new stone match the old one? We get this question all the time. People want their jewelry to look just the …

  7. The different parts of an engagement ring

    Anatomy of a Ring

    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 … point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank with your naked eye. …

  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. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … with the clergy and was often used in the design of religious objects. It was also believed to have the power to bring about sobriety and was given to people who were struggling with addiction. Wine glasses were even carved out of … synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored amethysts are now appearing in inexpensive jewelry. Because the cost of testing is higher than the cost of even the natural stones it is not …

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