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Fine Jewelry University Articles matching: “Split shank oval”

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Fine Jewelry University (Show All FJU Articles)

  1. The different parts of an engagement ring

    Anatomy of a Ring

    … ring may need maintenance. It’s also a fun way to impress your friends with your vast knowledge of jewelry terms. Shank Every ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no … 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 would never know it was sized looking at the shank

  2. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    …. There are three basic manufacturing processes used to make HPHT diamonds: the belt press, the cubic press, and the split-sphere (BARS) press. The goal of each process is to create an environment of extremely high pressure and temperature…technology has been constantly advancing. Belt press designs have been dramatically scaled up, more modern cubic and split-sphere presses have been introduced which are more efficient, and larger, more perfect gems are being produced. As …

  3. Frequently Asked Question about Jewelry

    … others waited until over 50 years. The reasons to redesign range widely: the ring is worn out (it would need a new shank and all new heads), the style is not right for me now, or, the very popular reason, going bigger/upgrade time. Does … the feeling that the ring feels “looser” in the finger. Diamond engagement rings with a comfort fit design have an oval cross section with very smooth rounded edges, giving them the comfort-fit name

  4. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    … you want. The photo above shows some common diamond carat weights and how they look in comparison to each other. Cut The Cut of a diamond has two main components. First, cut refers to the shape of the stone. Round, marquise, pear, oval, square, princess all describe the shape of the diamond. Checkout the picture above to see examples of the most popular diamond shapes. There are many more shapes than we can list here and there are even variations on the common shapes …

  5. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    … for reference: Refractive index: 1.619 to 1.627 Birefringence: 0.008 to 0.010 Specific gravity: 3.53 Mohs Hardness: 8 Care and Cleaning Even though it’s tough to scratch, you should protect your topaz from hard knocks. It can be split with a single sharp blow, a trait it shares with diamond. Clean with mild dish soap; use a toothbrush to scrub behind the stone where dust can collect. Never use ultrasonic or steam cleaners on topaz. Sudden changes in temperature can …

  6. Polarized light diagram

    The Magic of Polarized Light

    … efficiently as they do without negative side effects. Using Polarized Light in Gemology Some gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) and they will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light in one direction. …

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

    Types of Necklace Chains

    … most common and universal styles of chains. Cable chains are extremely simple in design being comprised of round or oval links connected together one link at a time end over end. This simplicity gives them their timeless look, but it … in your social media feed and in your friend group. The distinguishing feature of the paperclip chain is its long oval link which resembles the portions of its namesake. One advantage of the paperclip chain is its efficient use of metal…

  8. Learn Secret Diamond Buying Skills From a Professional Diamond Buyer

    …convert it to your understanding. It is their job to give you clear information to compare. The cut “C” of the 4 C’s has two components. The first component is simple. The cut can refer to the shape of the stone. Round, Marquee, Pear, Oval, Square, and Princess all describe the shape of the gem. Round diamonds are by far the most popular cut in diamonds under three carat. The diamond’s shape should be one of the earliest decisions you make. It will determine the style …

  9. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … typically the most valuable, while irregularly shaped pearls are generally less valuable unless they are very rare like the famous natural pearls we have discussed. Pearls come in seven basic shapes: round, near-round, button, drop, oval, semi-baroque, and baroque. Color: There are three components: bodycolor (dominant, overall color of the pearl), overtone (one or more translucent colors that lie over the bodycolor), and orient (iridescent rainbow colors that shimmer …