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Fine Jewelry University Articles matching: “yellow topaz”
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Fine Jewelry University (Show All FJU Articles)
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Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
… to the next level of less transparency color. D to F are colorless grades, G-J are near colorless, K-M faint yellow on down the scale to more inner color. Colorless is also called white. The key to judging color is a master. Master sets … at to your diamond. Note: keep your diamond very clean to judge accurately. It does not matter if your diamond is yellow or D colorless you are using it as a measure to judge other stones. If you don’t have a diamond use a CZ, but have …
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Platinum
…use in jewelry. Platinum is one of the rarest and most durable precious metals. Platinum’s rich, white luster enhances the brilliance and will maintain its shining luminosity forever, unlike other white metals which can, in time, turn yellow or tarnish. Platinum belongs to the noble and precious metals family. It is resistant to tarnishing and discoloration due to chlorine and other chemicals. These factors, along with its strength and white luster, have made platinum an …
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Diamond Buying Guide: The 4 C’s
… diamond in will have a big impact on how it appears. If a diamond is in 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 …
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How Are Lab Grown Diamonds Made?
… ionized gases and introduced into the diamond as it forms. With HPHT diamonds, it is very difficult to create truly 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 characteristics when compared to natural diamonds. This fact, while not generally detrimental to the appearance of the diamonds, is …
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Gem in the Spotlight: Sapphire
…before the word sapphire. Sapphire, a variety of corundum, comes in all colors except red (the red variety being known as ruby), but is especially popular in deep blue. Fancy colored sapphires including pink, green, orange, and golden yellow are magnificent in any jewelry. See More on Etsy › With the exception of the diamond, which measures 10 on the Mohs scale, sapphire and ruby (9 on the Mohs scale) are the toughest and most durable gemstones. This toughness makes the …
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Types of Jewelry Clasps
…. The design is very simple featuring a threaded post on one side and a threaded recess on the other (like a nut 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 clasp so we’re including it here. PROS Security – Barrel clasps tend to be secure and low profile. While they can work …
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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 …