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Fine Jewelry University Articles matching: “One karet round with bagettes”
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Fake Diamonds: The Great Diamond Attack
… a diamond is lab grown . Synthetic gems are not new to the jewelry profession. Synthetic colored stones have been around for over a 100 years. The impact was dramatic in the beginning then adjustments were made and the new gem found it …a fully natural diamond from all the modern possibilities is quite demanding. So what is a real diamond? Let’s start with the older diamond look a likes, (CZ, GGG, YAG, Synthetic corundum and spinal, Glass) or simulants are quite easy to …
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Gold Purity and The Differences Between White and Yellow Gold
…HGE or 18k GE. HGE means hydrostatic gold electroplating. Plated gold is measured in how many molecules of gold are around the ring. In other words, a plated piece of jewelry has very little gold. You can learn more about gold plating on … to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists tell us gold is an element with the chemical symbol Au. We know it is the heraldic metal and it is a rare yellow mineral that is the most malleable …
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Measuring Gold Weight
…can this be? Tradition. Gold 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 …. You say, “Aha! Gold weigh more, so a pound of gold weighs more than a pound of feathers.” Unfortunately there is one more piece of the puzzle. We all know 16 ounces equal a pound. True in the avoirdupois system, but not in the troy. In…
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Synthetic Gems: The Whole Story
…synthetics are so well made it is impossible to id them in jewelry and can only be positively identified in gem labs with millions of dollars worth of equipment and world class personnel. Synthetic diamonds on the high end and synthetic … stunning beauty. These four gems have been coveted by rulers and the rich for thousands of years. But, what if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high …
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Gem in the Spotlight: Tsavorite Garnet
… in sizes larger than five carats, and most faceted stones are below two carats. By some estimates, Tsavorite is around 200 times rarer than the much better known Emerald. Gemology Tsavorite’s rarity and beautiful green color reminds one … or lore, given its recent discovery. That said, as a member of the garnet family , there is much mythology surrounding it. Garnet has been thought of as a traveler’s stone offering protection and aid during long journeys. Garnet is also …
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Jewelry Solder: What You Should Know
… are not nearly as resistant to tarnishing. These metals can easily have those chemical reactions with the elements around them causing them to discolor. By adding additional base metals to solder alloys the finished metal becomes … causing solder joints to tarnish and discolor more quickly and in more circumstances than the karat gold alloys around them. In other words, the solder specific alloys contribute some of their easy-tarnishing properties to the finished …
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Gem in the Spotlight: Ruby
… thereby its high cost? Or, is it something deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with …s” and ascribing to them magical powers. In ancient days, the fiery stone was associated with courage, red blood, and fire. Worn on the crowns and helmets of kings, rubies were a royal insignia believed to protect the wearer from injury a…
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The Difference Between White Gold and Platinum
… by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. The amount of alloy mixed with gold is called its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold…% 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% Iridium…
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Laser Jewelry Repair
… of the laser is that very little heat is generated at the weld point. This means the heat will not damage the surrounding area. The jewelry’s intricate design and gems which are heat sensitive are safe from the heat with a laser. What … to use the laser with the skill of a micro surgeon. The laser gives our jewelers the precision he needs to work around our customer’s jewelry treasures. Arden jewelers can cut with the laser, weld two pieces of precious metal together, or…
