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Fine Jewelry University Articles matching: “Manufacturers mark”
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Fine Jewelry University (Show All FJU Articles)
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Star White Gold
…. Regular, Plus, or Premium? The White Gold Task Force statement on the plating of white gold reveals how jewelry manufacturers view rhodium plating: “The lack of an industry-accepted definition of white as applied to white gold has been a problem… only see white gold with the plating on it and assume that is its true color. Most of them don’t know that jewelry manufacturers choose the white gold alloy mix. It is much cheaper to use the standard white gold alloy (again standard is the …
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How to Tell If a Diamond Is Natural or Lab Grown
… diamonds that are sold as natural diamonds. But, it is important to know that the majority of lab grown diamond manufacturers are perfectly legitimate and honest organizations that are upfront about their products. Some even laser inscribe all of… recently added to our own gem lab. This incredible machine is used by some of the world’s top gem labs and jewelry manufacturers daily, and it has already helped us catch undisclosed lab grown diamonds. It does not suffer from many of the …
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How to Sell Jewelry on Craigslist and Facebook Marketplace
Selling jewelry on Craigslist, Facebook Marketplace, and other online local classified sites is a great way to get cash for your jewelry, but there are some …’t have a way to meet the potential buyer at a public place, then do not sell your jewelry through the Craigslist or Marketplace. The buyer’s bank is a good public location because if they wish to buy the jewelry they can go and get the … method. Checks of all kinds (personal, cashiers checks, money orders, etc.) can be fakes. If you are on Facebook Marketplace, check the profile of the potential buyer. Is it a brand new profile with an obviously generic or fake image? …
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The Difference Between White Gold and Platinum
…ruthenium is often used as a hardener alloy. Platinum is usually marked with .900 or .950 to mark its fineness. Some manufacturers state what alloy they are using like 90% Platinum 10% Iridium. How white gold and platinum start out is one of the …
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Types of Necklace Chains
… pendants. Serviceability – If the chain does break, it can be difficult to repair without leaving a noticeable mark. Wheat Chain (Spiga) The wheat chain is constructed with twisted, woven, oval links that move in one direction. The … inevitably becomes kinked it is nearly impossible to flatten it out completely. You will always be able to see some mark where it was repaired. Omega Chain Similar to the herringbone chain the omega chain has a flat, smooth, and shiny …
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How to Value Inherited Jewelry
…, jewelry value is not one set number. It changes with the situation (who is buying, and who is selling) and the marketplace (global economy, commodity prices, local jewelry market, etc.). And, it changes with time and styles. …value of an item could be $1,000 given one set of conditions, but in a certain area, given the way it was put out to market, the condition of the item, the photo in the ad, and a million more factors the seller may only find a buyer … different types of appraisals . The replacement value insurance appraisal has the least correlation to the actual market value of the jewelry item. So, even though insurance appraisals are commonly available, this would be the least …
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How Are Lab Grown Diamonds Made?
… with some reported successes, but none could ever be scientifically verified. The quest continued. Diamonds are a crystalline form of carbon, and so making artificial carbon crystal was the problem of lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow diamonds in the lab like they grew in nature. High Pressure High Temperature Diamonds How does …
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The Magic of Polarized Light
… pulling in on it. The strain distorts the polarized light showing anomalous double refraction (ADR). Many optics manufacturers use a polariscope to analyze the internal stresses of their glass. Can you see the dark “snake” bands on this glass gem… uses in gemology and our day-to-day lives. We hope you enjoyed this article, and remember that if you are in the market for a new diamond or gemstone our trained gemologists have the tools, understanding, and experience to help find the …
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Alternative Metals for Men’s Jewelry
… may or may not be an issue for you depending on who you buy your titanium ring from. At Arden Jewelers we work with manufacturers who allow us to exchange titanium (and other alternative metal) rings for different sizes for a small fee. So, “… silver-white in color, but it can be treated to different colors. Titanium is very light weight which is its hallmark feature and one of the reasons it is used so heavily in manufacturing. It resists scratching well, and it is both …
