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Fine Jewelry University Articles matching: “10k yellow gold half crt”

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Fine Jewelry University (Show All FJU Articles)

  1. Morganite is a beautiful soft-pink gemstone

    Gem in the Spotlight: Morganite

    … spinel. Its refractive index is 1.560 – 1.600, and its specific gravity is 2.67 – 2.90. These characteristics help identify Morganite as beryl and distinguish it from other pink gemstones. Morganite is commonly heat treated to remove yellow and orange hues and to achieve a purely pink stone. This type of enhancement has an excellent stability rating, and the stone requires no special treatment once it has been enhanced. As you may know, the most important factor in …

  2. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … colorless gems. This is because even the smallest presence of nitrogen or boron during the process can result in a yellow or blue color respectively. Both HPHT and CVD diamonds tend to exhibit strong and unusual fluorescence … 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 have only recently been able to produce gem quality, lab grown …

  3. Old mine cut diamond example

    The History of Diamond Cuts

    … gone from one facet (the table) to 18 facets. This cut started to unlock the brilliance within the diamond, and variations of it are still used today. Another early diamond cut is the rose cut or rosette cut. The rose cut looks like half a diamond to modern eyes. It has anywhere from 3 to 24 facets coming to a point in the middle. But its most recognized aspect is the flat bottom. Basically, it is a crown without a pavilion. Interesting fact #2: Some diamond cuts do …

  4. Fake Diamonds: The Great Diamond Attack

    … are naturally lower color and making them more colorless. Next they can take a diamond and make them have intense colors. The colors they are making are somewhat unusual for the diamond trade. The common colors are a bright green and yellow/orange stones. Some call the colors antifreeze looking. Is this process a simple treatment of a natural stone or is it the manufacturing of a diamond using some natural elements? Regardless of way the industry calls it, I feel …

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

    Types of Necklace Chains

    … use of metal. So, you can have a big chain look without a big chain price. This is a very nice feature to have when gold prices are high. The only downside is that this style isn’t quite as strong as a traditional cable chain of the same… types of slide pendants work well with omega chains. PROS Style – Like the herringbone, omega chains show a lot of gold and create a big, impressive look. Strength – Among flat style chains, omegas are one of the strongest designs. CONS …

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

    Types of Jewelry Clasps

    … a bolt). One side of the clasp is simply screwed into the other to close it and unscrewed to open it. Note that the yellow gold barrel clasp pictured above actually works like a box clasp however this tubular style is often called a barrel… by ancient Egyptians and is the oldest known clasp style. This type of clasp was often made from softer metals like gold or copper and used to fasten necklaces and bracelets. The hook-and-eye clasp was also used by the Greeks and Romans …

  7. Caring for and Cleaning Your Jewelry

    … use chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). Abrasive cleaners and toothpaste or toothpowder will also scratch the metals. This will take away the …Hardness is related to the Mohs hardness scale. Diamond is the hardest at 10. Talc is listed as 1 the softest. Pure gold (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5…

  8. Alternative metal wedding band options for men

    Alternative Metals for Men’s Jewelry

    Until very recently, men only had a handful of choices when choosing a metal for their wedding band. Gold, silver, and platinum are all excellent metals which make great wedding bands, but with the advent of new … 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 is much more affordable. Tungsten carbide bands are extremely scratch resistant. Tungsten does not …enough shock or pressure is applied to it. Tungsten is a dense metal which is what gives it the high quality feel of gold or platinum and also what led to its use in armor piercing tank ammunition. Tungsten wedding bands are not made out …

  9. Brands and Designer Jewelry

    … brand jewelry must keep its promise to the customer to deliver a superior product. This is a no compromise area. The 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 level of excellence in style and quality of workmanship it attains a level of status. Brands like Tiffany & …