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Fine Jewelry University Articles matching: “Pms makers mark”
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Fine Jewelry University (Show All FJU Articles)
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Understanding the Diamond Buying Game
… is unique. 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. In addition, EGL has a franchise like business model and different EGL labs grade wildly different. Some other labs like IGI and many more will put on a report what the customer, the diamond owner wants the report to say. So …
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How to Tell If a Diamond Is Natural or Lab Grown
…. 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 their diamonds to clearly mark them as lab grown. The Type IIa Test That said, we would still like to be able to tell if a diamond is natural or lab grown, whether it is disclosed or not. Fortunately, there are some tools available to help us do this. One of the best …
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The Difference Between White Gold and Platinum
…% to 95% platinum and the balance alloy. Iridium or 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% …
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Is a Lab Grown Diamond Right for Me?
… school physics?). Even more unfortunately, the diamond industry suffers from a lot of misinformation and paranoia both from inside the trade and from outside observers. I have heard people say that natural diamonds come with a 400% mark up, or that most mined diamonds are conflict diamonds (both wild falsehoods). On the other hand, I have heard some in the industry refer to lab grown diamonds as fakes (also completely false). We’re here to help cut through some of the …
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Gem in the Spotlight: Jade
…, but its beauty and cultural importance have landed it a spot as one of the most important items in the global gem market. In fact, jadeite is often sold by the individual piece instead of by weight like most gems. This is because even …If you scraped them together, a diamond would scratch a piece of jade while the much softer jade wouldn’t leave a mark on the diamond. However, if you decided to smack both gems with a hammer (please don’t try this at home), the diamond …
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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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Gem in the Spotlight: Opal
… proper care opals can last for generations. Opals have very high water content, typically hovering around the 5-10% mark. As opals dry out over time they can sometimes crack at the surface, which is called crazing. As of this writing …brown ironstone from Australia. This concludes our journey through the enchanting world of opal. Its rich history, remarkable optical properties, and wide range of varieties make opal one of the most exciting gems you can own today. If …
