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Fine Jewelry University Articles matching: “Value of black pearls natural”

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  1. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    of 8.5. Because of its high hardness, alexandrite is suitable for everyday wear. That being said, because of natural alexandrite’s tremendous value and rarity, it is recommended to be worn carefully or put in jewelry such as earrings or …is so famous, in fact, that color-change itself is often called “The Alexandrite Effect.” Stunning color change on a natural alexandrite. Alexandrite History and Lore Alexandrite was first found in the Ural Mountains in Russia in the 1830s. …

  2. A collection of jade jewelry and loose gems

    Gem in the Spotlight: 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… weight like most gems. This is because even small differences in color or imperfections can drastically change the value of the gem. History and Lore of Jade Jade’s incredible toughness has made it a useful tool throughout history. During…

  3. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … done the same way as gold plating, and it produces a bright white finish on the jewelry. Some alloys of white gold naturally have a yellow tint to them, so they require regular rhodium plating to keep looking white. How often should I bring… pure gold with other metals to create different alloys that have different colors and properties. Because silver is naturally a white metal, many people believe it is mixed with pure gold to create white gold. In truth, even a high …

  4. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    …violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The color you see is the natural color of the stone when it was first discovered. This adds value to many gem buyers who don’t want a treated …refers to iolite’s pleochroic nature. iolite cannot be heat treated to enhance its color. The color you see is the natural color of the stone when it was first discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a …

  5. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … Temperature Diamonds How does nature form diamond crystals? Nature does it very deep underground. Diamond growing naturally takes place about 100 miles below the earth’s surface. Why? Because that is where the conditions of extremely high …. Both HPHT and CVD diamonds tend to exhibit strong and unusual fluorescence characteristics when compared to natural diamonds. This fact, while not generally detrimental to the appearance of the diamonds, is quite useful when identifying …

  6. Three loose rubies in a row triangle oval and pear shaped

    Gem in the Spotlight: Ruby

    … rubellite tourmaline (the red variety of tourmaline) gets its name. Pliny the Elder mentioned rubies in his work Natural History, including notes on their durability, which means that their physical properties have been known well for over … the imagination of people for centuries. Whether you are a gem collector, a jewelry lover, or simply appreciate the natural beauty of the world, rubies are definitely a gemstone worth owning. If you are looking for a fantastic new piece of

  7. diamond brokering service in sacramento

    Diamond Brokering

    Serving you is our passion. Making our expertise available to you coupled with our value hunting system makes the diamond buying experience a positive one. Please feel free to ask any questions and explore… in a diamond impacts the price significantly. Our expert guidance system helps: Understanding the basic diamond value system Understanding the expert diamond evaluation system Inform in technical or layman’s terms the true nature of the … one person operations all with the goal of finding the exact diamond you want at the very best price available. Our value hunting system helps with: Locating the most reliable source with the best price Finding independent certified …

  8. Understanding the Diamond Buying Game

    … not just seeing the four C’s grade to compare diamonds. The same lab can grade two stones H VS2 1.00 carat and the value of the two diamonds can be hundreds, if not thousands of dollars different. It is a favorite trick of some diamond … on the diamond is another question. The nature and position of the inclusions can have a big impact on diamond value as well. All these issues impacting value are on diamonds with an accurate grading report. Does this sound like a …

  9. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … 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 often performed. Beware of stones of perfect clarity, calibrated sizes, and precision cutting. … 96 carat heart shaped amethyst. It resides in the collection of the Smithsonian Institution, National Museum of Natural History. The amethyst was most likely mined in Brazil and exhibits a deep, rich purple color. Amethyst also naturally …

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