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Fine Jewelry University Articles matching: “Ring re make verses repair”
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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
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 … malleable and pliable of all metals. Yes, but what does that mean to me? 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 …of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many forms. Basic to understand the uses of gold in jewelry is karat. Karat with a K is the purity of …
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What are “Blood Diamonds”?
… Process Certification System. This system was formally adopted in 2003 and guards against conflict diamonds entering the legitimate diamond supply chain. The diamond industry also adopted a voluntary System of Warranties to assure … of diamonds. We at Arden Jewelers have been knowledgeable of the conflict diamond issue for years. We work hard to make sure every diamond and gem is legitimate. We want our clients and friend’s jewelry to be a source of pride, not of …
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Gem in the Spotlight: Tsavorite Garnet
…garnet found primarily in Russia. Tsavorite is 7.5 on the Mohs scale. It is a green grossular garnet with a chemical make-up of CA 3 Al 2 (SiO 4 ) 3 . It has a Refractive Index (RI) of 1.740 and a dispersion index of 0.028. So how did … 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 believed to aid in circulation and to protect against diseases…
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Gem in the Spotlight: Jade
… of the gem. History and Lore of Jade Jade’s incredible toughness has made it a useful tool throughout history. During the Stone Age of many cultures, jade was used for agricultural tools and weapons such as axe heads and knives. Jade has… of jadeite, the carvers switched focus from the previous materials to this new and beautiful gem. It was during this time, from the 1700s-1900s, that some of the most intricate and advanced jadeite carvings were made. Some of the …
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Types of Jewelry Clasps
…production of jewelry, and the demand for simpler, more affordable clasps grew. This led to the development of the spring ring clasp, which is still widely used today. The spring ring clasp features a small, spring-loaded mechanism that …. Other types of jewelry clasps that emerged in the 20th century include the lobster clasp, which features a spring-loaded mechanism that opens and closes by pressing a small lever, and the toggle clasp, which consists of a bar that …
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How Are Lab Grown Diamonds Made?
… 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 … very high pressure and temperature to grow the diamond. The 10.02ct HPHT Diamond Made by NDT. Thanks to IGI for sharing this video. The GE invention of the belt press uses an upper and lower anvil to generate pressure over 1.5 million …
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How to Tell If a Diamond Is Natural or Lab Grown
… IIa diamond. Type IIa is actually a gemological variant of the diamond that relates to how pure the carbon is that makes up the diamond. In nature, less than 2% of all diamonds are Type IIa, however, most gem quality lab grown diamonds … and GIA (the Gemological Institute of America) have developed even more complex and sophisticated machines for answering this question. They have imaginative names like DiamondCheck, DiamondSure, and DiamondView. Roughly speaking, these …
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Gem in the Spotlight: Quartz
… list, we need to touch on the most dangerous part of the quartz story: the naming of names. No matter how long we make this list, there’s sure to be some varieties missing. Then, there’s the whole thorny issue of misnomers–misleading … durability with a Mohs hardness rating of 7 (harder than opal and peridot but softer than topaz or sapphire). This makes it a fairly hard gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals, …
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Gem in the Spotlight: Spinel
…hardness of 8 and good toughness spinel is a great choice for all forms of jewelry. We recommend occasional wear for rings and bracelets, but earrings and pendants are suitable for daily wear. Spinel can come in virtually any color of the… applications in high-energy lasers, transparent armor, and missile guidance systems. It even has the potential to make its way onto our smartphones as a super durable, glass-like covering. History and Lore of Spinel Spinel is arguably …
