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Fine Jewelry University Articles matching: “Sapphire Sa”
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Fine Jewelry University (Show All FJU Articles)
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Caring for and Cleaning Your Jewelry
… jewelry, be careful of long exposure to these types of soaps (people in the medical professions especially). It is safe to use an ultrasonic cleaner with diamond jewelry. Ultrasonic’s can damage other gemstones, know for certain it is … a small screen strainer. How to Care for Jewelry What is the hardest natural substance on earth? Diamonds. Legend says diamonds are indestructible. Diamonds are remarkable gems, hard enough to scratch everything, including themselves. …
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Measuring Gold Weight
The old riddle goes: what weighs more a pound of feathers or a pound of gold? Some say gold because it is heavier. Others say they are both a pound so they weigh the same. Both are wrong. How can this …is not weighed in the ordinary weights. Gold is weighed in the troy measurement system. One ounce of gold is not the same as the ordinary ounce (really called avoirdupois ounce). The best way to understand this is to convert them both … unit of mass. An avoirdupois ounce converts to 28.34 grams approximately. The troy ounce is 31.1 approximately. You say, “Aha! Gold weigh more, so a pound of gold weighs more than a pound of feathers.” Unfortunately there is one more …
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Understanding the Diamond Buying Game
… drank? You expect a coke to taste like coke everywhere. In business, this is called a commodity. The soda is the same and you can shop based on price or convenience; the product is the same. People like shopping this way. I like it …Diamond reports don’t tell the whole story. First, it is well known that not all diamond grading labs grade with the same standard. GIA and AGS use the most technical standards. EGL uses a looser grading standard, I call market grading…
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How to Sell Your Jewelry
In a hurry? Visit us today to get a free value appraisal of your jewelry. Or, learn how KCRA 3 got more for their jewelry when they came to us. Which is more fun, getting a… people will never buy a previous owned engagement set for superstitious reasons. I have had clients who could have saved hundreds of dollars if they would have bought a preowned ring, but refused. Jewelry is a style driven industry. …. Knowing if your jewelry is just old and out of style or an antique can mean the difference of hundreds, if not thousands of dollars. Remember you don’t get paid for the jewelry in relation to what you paid but the condition and demand…
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Fake Diamonds: The Great Diamond Attack
A popular game show would have three people all say that they were someone and the contestant would try to find out who was the real person. Technology has created … or look a likes. Modern science has developed a man made gem that can fake out the standard diamond tester. Moissanite is lab-created, silicon carbide, and it gives a positive reading on a diamond tester. But science fights back with a… use words with particular meanings. Synthetic is one of those words. Synthetic, in the gem world, means made of the same chemicals (elements) and crystal design as nature but is man made. So, a synthetic diamond is the same chemistry (…
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How Are Lab Grown Diamonds Made?
… 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 …However, it was not until relatively recently that a documented and reproducible process was demonstrated. Henri Moissan was one of the early pioneers in the field. In 1893, he claimed to have successfully made a diamond by heating …
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Diamond Brokering
…your diamond purchase insures the mastery of the minute details in diamond evaluations. Did you know diamonds of the same grade could be thousands of dollars different in price? A subtle difference in a diamond impacts the price … Inform in technical or layman’s terms the true nature of the diamond Years of expertise as a diamond buyer and wholesale seller Finding our clients the best value drives us. Our brokerage has links to hundreds of diamond importers, …
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Anatomy of a Ring
…Shank Every ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start at the point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank …
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Gem in the Spotlight: Ruby
… arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an extremely durable form of aluminum oxide with a Moh’s hardness of 9. This makes ruby one of the … from trace amounts of chromium in the crystal structure. If they are too purple or too pink, they are called purple sapphires or pink sapphires, respectively. Since sapphires and rubies are the same gem material, they also share a refractive…
