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Fine Jewelry University Articles matching: “What does the stamp RT stand for inside a ring”

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Fine Jewelry University (Show All FJU Articles)

  1. A group of yellow gold chains of different kinds of a blue background

    Types of Necklace Chains

    … woven links use a bit more metal then some other chain styles of comparable thickness. Cleaning – Dirt can get inside the rounded design causing them to need a bit more frequent cleaning than other chain types. Foxtail Chain The foxtail … to work on. CONS Common – It’s one of the most popular chain styles that exists. A cable chain won’t make you stand out from the crowd. Rolo Chain (Belcher) The rolo chain is essentially the same as the cable chain except that it features…

  2. A pile of scrap yellow gold jewelry

    Gold Purity and The Differences Between White and Yellow Gold

    …karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many forms. Basic to understand the uses of gold in jewelry is karat. Karat with a K is the purity of gold, Carat with a C is a measure of weight … 10/24 41.67% 417 14K 14/24 58.33% 583 18K 18/24 75.00% 750 22K 22/24 91.66% 917 24K 24/24 100% 999 The key to understanding gold karat is the karat value over 24. An example is a 14 karat gold wedding ring. It is 14/24, which equals 58.3…

  3. Frequently Asked Question about Jewelry

    … wedding rings are available in a comfort-fit style. Comfort-fit engagement rings have extra metal to make the inside of the band slightly domed, resulting in a very comfortable fit. Comfort-fit wedding rings are generally more expensive … is the SI3 grade? The GIA Diamond clarity-scale refers to how clean, or free of imperfections a Diamond is. The GIA standard for the clarity scale consists of: FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2, ???, I1, I2, I3 The SI3 was born out …

  4. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    …. It is a giant clam pearl that weighs over 60 pounds. The pearl was discovered by a Canadian fisherman who found it inside a giant clam that he had caught off the coast of the Philippines. The Giga Pearl has a unique shape and texture, … collectors and jewelry designers. Mabe Pearls: Also known as a blister pearl, mabe pearls are grown against the inside shell of a mollusk, rather than within the body of the mollusk itself. This creates a flat, rounded pearl that has a …

  5. Alternative metal wedding band options for men

    Alternative Metals for Men’s Jewelry

    … metal, and is named after gods. It has a contemporary look, an affordable price, and comfortability making it an outstanding ring to wear every day. Tungsten Tungsten carbide jewelry has a nice weight to it like gold and platinum, but it … problem depending on where you buy your tungsten ring. Because they are so hard Tungsten rings cannot be cut off by standard jewelry cutters, but they can be removed in case of an emergency. The trick is to apply pressure instead of …

  6. A White Gold band next to a Platinum band

    The Difference Between White Gold and Platinum

    …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 wedding ring. It is 14/24, which equals 58.3…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 containing 90% to 95% platinum and the

  7. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    … cousins, and not everyone uses these terms in the same way. So, let’s begin with some vocabulary. Synthetic. Understanding this term correctly is the key that unlocks this entire question. Synthetic can mean artificial or even fake. … diamonds prefer the term “lab grown” over “synthetic.” In order to appreciate this fully, it helps to understand a little bit about how lab grown diamonds are made. There are two techniques to grow single crystal diamonds. The first and …

  8. Collection of many different styles of jewelry clasps laid out together

    Types of Jewelry Clasps

    …production of jewelry, and the demand for simpler, more affordable clasps grew. This led to the development of the spring ring clasp, which is still widely used today. The spring ring clasp features a small, spring-loaded mechanism that …. Other types of jewelry clasps that emerged in the 20th century include the lobster clasp, which features a spring-loaded mechanism that opens and closes by pressing a small lever, and the toggle clasp, which consists of a bar that …

  9. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … in the field. In 1893, he claimed to have successfully made a diamond by heating charcoal to 3,500 degrees Celsius inside a carbon crucible. Many attempts were made to reproduce his techniques with some reported successes, but none could … they had the idea to grow diamonds in the lab like they grew in nature. High Pressure High Temperature Diamonds How does nature form diamond crystals? Nature does it very deep underground. Diamond growing naturally takes place about 100 …

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