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Fine Jewelry University Articles matching: “yellow diamonds”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Topaz
… to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic … and red colors are present (although much of the jewelry industry might call golden topaz imperial). Golden Topaz: Yellow to orange without any red component (could be called precious topaz if more orange). Smokey Topaz: Brownish grey …
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Platinum
…white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum… inner truth. Platinum’s purity endows it with a brilliant white luster. This helps to reflect the true radiance of diamonds. In the United States platinum is usually marked: PT or PLAT. In Europe, platinum is identified by the following …
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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…
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The Birthstones
…the emblem of fearlessness and invincibility. Courage, strength and fortitude were attributes given to the wearer of diamonds. The diamond has been a symbol of eternal love since the 15th century, when Archduke Maximillian of Austria sealed … gemstones, Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets …
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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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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 …
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Caring for and Cleaning Your Jewelry
How to Clean Jewelry A diamond’s spectacular beauty is due to its light show. Diamonds make light reflect, show its many colors, and dazzle. To perform its magic the diamond must be clean. Diamonds are … toothpaste or toothpowder will also scratch the metals. This will take away the shine. Ammonia-based cleaners clean diamonds and gold well but they may hurt other gemstones. It is also not a good idea to soak jewelry for very long in ammonia…. Ultrasonic’s can damage other gemstones, know for certain it is safe to use. Ethyl alcohol is good for rinsing diamonds because it evaporates so quickly. Do not use any cleaning solutions that contain oil as they will spot and dull 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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Frequently Asked Question about Jewelry
… issued by a Gemological Laboratory describing a Loose Diamond. The laboratory will not issue certificates on Diamonds which are set in a mounting. A Diamond Certificate issues a “grade” indicating the physical properties of the Diamond “at … over a relatively short period of time. Appraisals are most often used for insurance purposes. What’s new with diamonds? Technology is changing the very nature of diamonds. First, new synthetic (man made) diamonds of gem quality are coming …
