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Fine Jewelry University Articles matching: “Gold FL”
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Fine Jewelry University (Show All FJU Articles)
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What Are Lab Grown Diamonds?
… nature made a given gem. Lab grown diamonds, on the other hand, are made in a controlled environment. They have signs of a regulated process that is not like nature. Furthermore, human efforts are not perfect and they leave their own flaws and clues that humans made a given gem. The types of inclusions and subtle variations in crystal structure are one of the main ways to differentiate between lab grown and natural diamonds. You can also learn more about how to tell …
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What are “Blood Diamonds”?
Conflict diamonds are diamonds illegally traded to fund conflict in war-torn areas, particularly in central and western … 2000, the global diamond industry made clear to the international community its zero tolerance policy towards conflict diamonds. Dedicated to eradicating the trade in conflict diamonds, it worked closely with the United Nations, …to create the Kimberley 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 …
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Gem in the Spotlight: Tsavorite Garnet
…nomenclature of gemstones follows certain rules, and according to modern mineralogical methods, gemstones are given a name which ends in “-ite”. In honor of the Tsavo National Park where it was discovered and the Tsavo River which flows through it, the gem received the name Tsavorite. It is also less commonly referred to as Tsavolite. Mythology and Lore Unlike many of the other gemstones we write about, Tsavorite does not have a rich history or lore, given its recent …
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Gem in the Spotlight: Ruby
… index of 1.762-1.770 and a specific gravity of 4.00. A unique optical property of rubies is that they emit fluorescent light at a very specific wavelength (694 nanometers) under certain conditions. Scientists used this fact to build …
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The History of Diamond Cuts
… engagement ring. Archduke Maximilian of Austria gave her a ring that was set with a point cut diamond and thin flat pieces of diamonds in the shape of an “M” in 1477. The Earliest Diamond Cuts Once it was understood that only diamond … eyes. It has anywhere from 3 to 24 facets coming to a point in the middle. But its most recognized aspect is the flat bottom. Basically, it is a crown without a pavilion. Interesting fact #2: Some diamond cuts do not have a standard …
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Gem in the Spotlight: Morganite
… wearing Morganite on their crowns or other such legends. Morganite’s lore and traditions are more focused on gem power. Morganite as a power gem is full of associations. Some believe it to be a powerful stone which facilitates the flow of energy throughout the body due to its ability to bring pure love to the wearer. Morganite is also believed to balance emotions and bring harmonizing fulfillment as it releases any blocks to the channels of energy and love. It is …
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Understanding the Diamond Buying Game
… pavilion and extremely thin crown. Other ways are how thick the girdle is and how it is made. If the diamond has fluorescence is an issue. And if the fluorescence has a negative impact on the diamond is another question. The nature and…
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Gem in the Spotlight: Alexandrite
… the extremely rare, color-change variety of a gem species called Chrysoberyl. It appears bluish-green in daylight, fluorescent light, and some LED light. Under incandescent light, candle, and firelight, alexandrite appears purplish-red… very well, only transmitting green and red light. This means that depending on the light source the stone will reflect more of the accent colors of light. Since fluorescent light has a stronger greenish-blue component, the stone …
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Gem in the Spotlight: Aquamarine
… but this tiara she special ordered from Garrard in 1957. The Gemology of Aquamarine Like emerald, aquamarine is a member of the beryl family (along with morganite, heliodor, and others). Unlike emerald, it is frequently free of flaws and often occurs in large crystals. Aquamarine’s main pigment comes from iron. The color spectrum of aquamarine varies from very pale blue to a deep blue, the finest specimens being the deepest in color. Most aquamarine stones have a …
