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Fine Jewelry University Articles matching: “Process cut 2 carat solitao”
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Fine Jewelry University (Show All FJU Articles)
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How to Sell Your Jewelry
… at its intrinsic worth. The intrinsic value is the metal (gold, platinum, silver) price plus any gems. The refining process used to recover the metal utilizes strong chemicals and has strict environmental regulations which impact the price … will not happen. Some stores will pay immediately, others pay after a set time or when you call. Find out what the process is if the store closes or moves. Many people have lost track of their jewelry altogether. Understand what the store’s…
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Gem in the Spotlight: Topaz
… gem. The play of rainbow-like colors is definitely unique and enjoyable to see. A relatively new treatment process called Chemical Vapor Deposition (CVD) has been developed to create this additional color of topaz. This is the same … “Braganza Diamond” was thought to be the largest diamond ever found (prior to the Cullinan Diamond) at 1,680 carats and was set in the Portuguese crown jewels as such. It wasn’t until many years later that more modern testing identified …
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Jewelry Repair FAQ
… down. If the prongs wear down too much, the stone becomes at risk of falling out of the mounting. Retipping is the process of adding a small amount of metal (usually gold or platinum) to the top of worn down prongs to keep the gemstone … craftsmen there is a good chance we will be able to repair your jewelry. What is Gold Plating? Gold plating is the process of depositing a thin layer of gold onto the surface of jewelry. This is done by immersing the jewelry in a liquid …
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Types of Necklace Chains
… the most durable chain designs there is. Each twist on these chains reflects light easily and when they are diamond cut they are extremely sparkly. Although most chain styles can come in a hollow link version, for rope chains, hollow …The woven and filigree style of this chain will often have a light, airy feel. These chains will be often be diamond cut which gives them an even more lively and glittering appearance. Diamond cutting on a chain means there are small …
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Gem in the Spotlight: Ruby
… brush. Rinse with clear water and examine under good light for any remaining residue. If there is any, repeat the process. You can use an ultrasonic cleaning machine with rubies, but use caution as these machines can cause loose gems to … the most expensive ruby in the world, it is the most expensive colored gemstone in the world. Weighing in at 25.59 carats, this ruby may not be the largest ruby ever found, but its color and cut is unrivaled. It is the most famous ruby, …
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Measuring Gold Weight
…in the avoirdupois, troy, and apothecaries systems. Surprisingly it is identical in all three systems.” 4 grains = 1 carat; 24 grains =1 pennyweight; 480 grains = 1 troy ounce; 15.432 grains = 1 gram. “Although we have stated above that … them both to a uniform system. A gram or gramme is a standard metric 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 …
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Gem in the Spotlight: Amethyst
…Notable Stones One of the most famous amethyst stones is in The Morris Amethyst Brooch which is set with a large 96 carat heart shaped amethyst. It resides in the collection of the Smithsonian Institution, National Museum of Natural … of quartz at 1.54-1.55 and is doubly refractive. It has a vitreous polish luster and its specific gravity is 2.66. Its chemical composition is SiO2. History and Lore The rich history of amethyst dates all the way back to ancient Greek…
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Gem in the Spotlight: Iolite
… of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. The process works because of the ability of a gem to absorb different wavelengths of transmitted light depending upon its …, and the United States. In fact, the largest known iolite was found in Wyoming, weighing in at a whopping 24,000 carats (that’s over 10 pounds)! This commonality helps keep the price of iolite very affordable making it an excellent choice…
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Caring for and Cleaning Your Jewelry
… the most durable of all gems. In fact diamonds have been through a lot of stress before they reach you. The mining process and cutting tests the stone long before it reaches you. With conscious care, the diamond can last for generations … is related to the Mohs hardness scale. Diamond is the hardest at 10. Talc is listed as 1 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…
