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Fine Jewelry University Articles matching: “black diamonds”

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Fine Jewelry University (Show All FJU Articles)

  1. Old mine cut diamond example

    The History of Diamond Cuts

    One of the earliest recorded statements about diamonds is: “the substance that possesses the greatest value, not only among the precious stones, but of all human …’s love of diamonds and our quest to unlock their true brilliance. Before Diamond Cutting The Romans loved diamonds but did not have the technology to change their shape. So, the Romans wore uncut diamonds. One of diamond’s remarkable … octahedral shape which looks like two pyramids stuck together at the base. Naturally, the first attempts to enhance diamonds were to polish the natural gem. The “point cut” is the polishing of a natural octahedral diamond. Interesting fact #…

  2. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    If you understand how diamonds are graded, you have a better chance of finding the right one for you. At Arden Jewelers, our gemologists are more …the colorless range (D-F), and it’s set in yellow gold, it may appear to be much more yellow than it is. Fancy color diamonds are a fun, non-traditional option. While natural fancies can be very rare and extremely expensive, we now have the …a white diamond to almost any color you can imagine. You can read more about fancy diamond colors here. Clarity Most diamonds contain inclusions. Inclusions are natural birthmarks and useful as identifying characteristics. Clarity grading is …

  3. diamond brokering service in sacramento

    Diamond Brokering

    … you through your diamond purchase insures the mastery of the minute details in diamond evaluations. Did you know diamonds of the same grade could be thousands of dollars different in price? A subtle difference in a diamond impacts the price …value hunting system helps with: Locating the most reliable source with the best price Finding independent certified diamonds Locating correctly graded non-cert diamonds Finding the most beautiful diamond possible Arden Jewelers has over 20 …

  4. Gem in the Spotlight: Opal

    … for long enough. A white opal can be darkened to have a gray body color, and gray opals can be darkened to have a black body color. A gemologist with right training and equipment will be able to detect this treatment. Opals can also …gems are manufactured using a thin slice of natural opal. In doublets, a lapidarist will use a piece of ironstone or black onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be …

  5. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    … like splitting hairs, but it actually has a big impact on how gems are worn and what they can handle. We all know diamonds are the hardest gem commonly available on earth. If you scraped them together, a diamond would scratch a piece of jade…high polish. Nephrite is commonly found in a darker olive green color but can also be very light green, orangey-red, black, and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade…

  6. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    …more than its fair share of misnomers. One famous one is “Alaska Diamond” for rock crystal alongside “Herkimer Diamonds” (see below). In recent times, the term “Green Amethyst,” which was commonly used for Prasiolite, has come under fire. It … (yes you read that correctly) slab of natural clear quartz and is one of the largest clusters ever found. Herkimer diamonds are a famous type of quartz not for their rarity, but for their ability to pass for diamonds to the untrained eye. Of…

  7. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and … found. What sets trapiche emeralds apart from other emeralds is their unique growth habit, featuring six black spokes radiating from a hexagonal core. This distinctive pattern is believed to form due to interruptions in the crystal growth…

  8. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    …try a new design. We do custom jewelry design , and one of our favorite projects is to take the raw materials (gold, diamonds, gemstones, etc.) from a client’s existing ring and use them to make a new and exciting creation. We can reuse the … which can begin hours or even days after contact and may last for several weeks. Some people’s skin even turns black or green when they wear certain jewelry. One of the most common metal allergies is Nickel which is added to pure gold in …

  9. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … Taylor. During Taylor’s ownership, the pearl was set into a necklace designed by Cartier, which also included diamonds and rubies. The La Peregrina pearl is one of the largest and most perfectly symmetrical natural pearls in existence. It … quality, and today they are very difficult to tell apart from their saltier cousins. Tahitian Pearls: Also known as black pearls, Tahitian pearls are a type of saltwater pearl that are grown primarily in French Polynesia. They are known …