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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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Gold Purity and The Differences Between White and Yellow Gold
…with gold. A plated piece of jewelry has a thin layer of gold over a base or non gold metal. Some plated jewelry has markings that look like real solid gold. For example, a plated piece can be stamped: 14k HGE or 18k GE. HGE means …. You can learn more about gold plating on our FAQ page. Sometimes engagement rings are stamped 14KP. The 14KP is a marking for plum gold which is a true mix of 14 karat gold. Some governments allow 13.5k to be stamped 14k so the 14KP …
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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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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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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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Art Deco vs. Art Nouveau Style Jewelry
… of jewelry design. Art Nouveau jewelry celebrates nature’s beauty with flowing forms and intricate details, and Art Deco jewelry epitomizes the modern era’s sophistication and geometric precision. Both styles have left an indelible mark on the world of jewelry, continuing to inspire designers and collectors alike with their timeless elegance and innovative craftsmanship. Whether you’re drawn to the organic allure of Art Nouveau or the bold symmetry of Art Deco, we at …
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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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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 …
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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 …
