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Fine Jewelry University Articles matching: “14k plat us”

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Fine Jewelry University (Show All FJU Articles)

  1. Measuring Gold Weight

    …, precious metals and gemstones. The name comes from the French city of Troyes. The noble metals (gold, silver and platinum) all use the troy system. A troy ounce is 20 pennyweights. The pennyweight was the weight of a silver penny in …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 can this be? Tradition… of gold weighs 373.24 approximately. So a pound of feathers weighs more then 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. There is more trivia about gold…

  2. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … near as high as with HPHT. Also, CVD diamonds can be grown over larger areas by starting with a larger diamond seed plate. Finally, the CVD process allows for a finer control over the environment in the growth chamber and thus the … and valuable diamond from simple carbon has long captivated the imagination of scientists and visionaries alike. Just like the alchemists of old who sought to turn lead into gold, many have tried to achieve this impressive feat. We …

  3. 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, … on the top part, the ring shank is generally said to start at the 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 …

  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. 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 …Status, style, and quality are the three attributes that luxury jewelry brands are known for. Jewelry brands or designers … no excuse for poor execution, and most deliver the style and quality their followers 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 …

  6. Rough lab grown man made diamonds

    Is a Lab Grown Diamond Right for Me?

    Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial undertaking, and we want to get it right. Unfortunately, understanding …t have (anyone remember their refractive indexes from high school physics?). Even more unfortunately, the diamond industry suffers from a lot of misinformation and paranoia both from inside the trade and from outside observers. I have … most mined diamonds are conflict diamonds (both wild falsehoods). On the other hand, I have heard some in the industry refer to lab grown diamonds as fakes (also completely false). We’re here to help cut through some of the rhetoric, …

  7. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    … green garnet called Demantoid. Demantoid, however, is a completely different variety of garnet found primarily in Russia. Tsavorite is 7.5 on the Mohs scale. It is a green grossular garnet with a chemical make-up of CA 3 Al 2 (SiO 4 ) …. You should avoid sudden temperature changes and never steam clean your Tsavorite Garnets. Ultrasonic cleaners are usually safe unless the gem has a preexisting crack or fracture. To clean Tsavorite, gently scrub it with a soft …

  8. Collection of sapphire jewelry and loose sapphire gemstones in many colors

    Gem in the Spotlight: Sapphire

    … the Ten Commandments they rested on tablets of sapphires. Marriage partners put great faith in the stone. If its luster dimmed, one knew his or her spouse had been unfaithful. Sapphire refused to shine when worn by the wicked or impure… has been treasured for thousands of years. Known as the celestial gemstone, the sapphire has been treasured for thousands of years. Kings and queens have always believed that sapphires represent divine favor. The color blue was …

  9. 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 … very hard, but it does wear away eventually. Regular, Plus, or Premium? The White Gold Task Force statement on the plating of white gold reveals how jewelry manufacturers view rhodium plating: “The lack of an industry-accepted definition…

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