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Fine Jewelry University Articles matching: “Stamp scratched off”
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Fine Jewelry University (Show All FJU Articles)
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What to Do When Your Ring Irritates Your Skin
… which is a member of the Platinum family. People are unlikely to be allergic to Rhodium, but as the plating wears off, irritation can start due to the fact that the skin is now in direct contact with the Nickel (or other metal) that … reaction but a simple discoloration on top of the skin from the metal. Also, tarnish from silver jewelry can rub off and leave a blackish residue. In both cases, the color will easily wipe or wash off. You can avoid this type of …
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The Magic of Polarized Light
… and rays going in the same direction. One of the most common occurrences of this in nature is sunlight reflecting off of the water. When the light bounces off of the surface, that reflected light is partially polarized. This is because … gemstones, TVs and monitors wouldn’t work in the same way, and the latest blockbuster movie wouldn’t pop off the screen the way it does now. Polarizing filters even have uses beyond visible light finding critical roles in tools that …
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The History of Diamond Cuts
… diamond can cut diamond the process of changing the shape of a diamond began. In the 15th century cutters would saw off part of the octahedron to create what is called a table. The table is the big center facet of a diamond. The …The French cut is a square or rectangular cut diamond. It appears square when viewed from above because it is based off the octahedral shape of the natural diamond. The French cut has just 9 crown facets, with the square or rhombus-…
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Jewelry Repair FAQ
… is roughly equal to 4/100,000 or 0.00004 inches. Gold plated jewelry is often indicated with a “GP” marking stamped somewhere on the piece. Heavy Gold Electroplating is gold plating with a minimum thickness of 2.5 microns. Look for an “… in every 6 months to a year . If your ring is white gold and rhodium plated, you may notice the plating wearing off and the ring taking on a slight yellowish hue. If this bothers you, you can stop by more often to have it replated. Some…
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Types of Necklace Chains
… omega or a curb. Herringbone Chain The classic herringbone chain is made with short links that are connected in an offset V pattern. These chains are wide and flat with a very thin profile. This flat design gives herringbone chains a … high karat gold (22-24k), the baht chain has been used as both an investment and a means of trade. The Baht is the official currency in Thailand, and it is named after a weight of silver (or gold) of the same name. One baht is …
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Star White Gold
…have all had the experience of poor performance due to poorly made gas. White gold also has three grades. Grade 3 is off white, grade 2 is standard, and grade 1 is premium. This means that when white gold is made, it can be yellowish to … of alloys does not require rhodium plating. They have been color tested by the American Assay & Gemological Office, a division of BAO Technical Services Ltd., the most authoritative testing source in the world. All of the Star White…
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How to Sell Your Jewelry
… are finding the right house for your particular jewelry, knowing the best time to sell, and luck. On-line auctions offer a lot of advantages and some risks. On-line auctions like e-bay are auctions conducted over the internet reaching a… sells. Sales are not guaranteed. Which on line auction to use is a critical choice. The large auctions have many offerings and sales but it is easy to get lost in all that activity. Selecting the best category is another challenge. If …
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How Are Lab Grown Diamonds Made?
…silicon inclusions are sometimes observed. These are the result of silica windows in the growth chamber being etched off by the ionized gases and introduced into the diamond as it forms. With HPHT diamonds, it is very difficult to …come in. At Arden Jewelers we require each lab grown diamond supplier to send us a sample of their product before we offer it to the public. Our gemologists use their extensive training and our in-house gem lab to evaluate every aspect …
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How to Sell Jewelry on Craigslist and Facebook Marketplace
… someone along to look at the whole situation, they may be able to pick that up in time to help you not get ripped off. Fraud should be next on your mind when selling jewelry through online classifieds Cash is usually the best payment … isn’t something you want to do, come by Arden Jewelers for a free value appraisal of your jewelry. If you like our offer, you can get cash on the spot for your gold and jewelry. Our gemologist buyers are friendly and professional, and …
