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Fine Jewelry University Articles matching: “Tiffany square silver ring”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Morganite
… to the pink color of Morganite. Morganite was known as Pink Beryl until George F. Kunz, the chief gemologist at Tiffany & Co., suggested to rename the gem Morganite in honor of the legendary financier and gem collector J. P. Morgan. The…. Compared with many other gemstones, Morganite is a relatively new addition with its first recorded discovery occurring in California in the early 1900s. This means you won’t find any tales of ancient kings wearing Morganite on their …
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Gem in the Spotlight: Alexandrite
…-year-old history like ruby, it quickly took the world by storm. Its use in top-quality pieces by companies like Tiffany & Co. and Cartier brought it to the forefront of the high-end jewelry world where it has remained ever since. In its… component, the stone will appear redder. Alexandrite has a refractive index of 1.746-1.755 with an average birefringence of .010. It has a specific gravity of 3.73 and a Mohs hardness of 8.5. Because of its high hardness, alexandrite is …
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How Are Lab Grown Diamonds Made?
…. The GE invention of the belt press uses an upper and lower anvil to generate pressure over 1.5 million pounds per square inch and temperature above 2,000 degrees Celsius. In this environment, the pure carbon melts and begins to form into … formation are naturally found. We see diamonds closer to the surface of the earth when a rare type of deep volcano brings them up to where humans can find and mine them. The first successful synthetic diamonds were made by mimicking …
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Diamond Buying Guide: The 4 C’s
… Cut of a diamond has two main components. First, cut refers to the shape of the stone. Round, marquise, pear, oval, square, princess all describe the shape of the diamond. Checkout the picture above to see examples of the most popular … to get the whitest diamond possible to outshine your friends when you put them side-by-side. It’s all about discovering what’s most important to you. Also, keep in mind that the color of the metal you set your diamond in will have a big …
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Gold Purity and The Differences Between White and Yellow Gold
… colors of gold engagement rings? Yes, Gold is yellow metal but adding copper to gold makes it redder and adding silver, zinc and any other metal makes gold paler. The white color is achieved by a careful choice of the alloying metals, …Gold, just the word brings to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists tell us gold is an element …Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement rings to show the eternal affection of one person to another. Gold is an expression of love. Gold Purity Is all gold the …
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How to Value Inherited Jewelry
… gem prices are not readily available like precious metal prices are to the general public. The gold, platinum, and silver prices are well publicized. The diamond and gem wholesale trade keeps their prices confidential, so there can be a …their offer can be significantly lower than even the intrinsic value of a piece. We have even heard of cases where a ring with a one carat diamond and $50 in scrap gold was valued at $50 by these operations. The intrinsic values for the …
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Caring for and Cleaning Your Jewelry
… the softest. Pure gold (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5. This shows why jewelry metals get scratched by things like hard toothbrushes and dirt (most dirt … ways to prevent your jewelry from being damaged is to remove it when you do certain activities. Always remove your rings when you garden, do the dishes, or generally work with your hands. Make sure to put your jewelry in a safe place …
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Gem in the Spotlight: Pearl
…, with many shades in between. The most valuable pearls are those with a pure, even color, such as white, pink, or silver. Luster: Luster is the intensity of light reflected from a pearl’s surface. Pearls with excellent luster have sharp … changed hands many times, and was owned by several famous figures, including Napoleon III and Elizabeth Taylor. During Taylor’s ownership, the pearl was set into a necklace designed by Cartier, which also included diamonds and rubies. …
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Frequently Asked Question about Jewelry
… professionals must keep up with current advancements in the field. The pace of change in the gem industry is staggering. What is Moissanite? Moissanite is lab-created silicon carbide. It has become an excellent diamond imitation since it…. You can add gems or use less of the gems you already have. Many clients have used the main diamond of the old ring to be a side diamond in the new design. Others have made a few design changes, but it is basically the same look and feel…