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Fine Jewelry University Articles matching: “Three crowns 14 E”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Iolite
Iolite is maybe not the first gemstone people think of for their blue-violet jewelry, but it should be near the top of the …’s color range of blue, blue-violet, and violet competes for public attention with sapphire, tanzanite, and amethyst. They may have name recognition, but iolite has a rich, unique color and great gem value on its side. It is more … nuanced than amethyst and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The …
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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 Africa. The United… (UN) defines conflict diamonds as “…diamonds that originate from areas controlled by forces or factions opposed to legitimate and internationally recognized governments, and are used to fund military action in opposition to those … decisions of the Security Council.” These diamonds are sometimes referred to as “blood diamonds.” In July 2000, the global diamond industry made clear to the international community its zero tolerance policy towards conflict diamonds…
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How Are Lab Grown Diamonds Made?
…synthetic diamonds were made by mimicking nature with High Pressure/High Temperature (HPHT) manufacturing. There are three basic manufacturing processes used to make HPHT diamonds: the belt press, the cubic press, and the split-sphere (…The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of … alike. Just like the alchemists of old who sought to turn lead into gold, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown diamonds that are large enough to be used in …
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Jewelry Repair FAQ
…In truth, even a high percentage of silver content will not result in a white gold alloy. Silver is actually used in 14k yellow gold and a higher percentage of silver is often used to make green gold. So if it isn’t silver, what metal …Here you will find answers for all of your jewelry repair related questions. If you have a question that you don’t see … here, please contact us and let us know. A gemstone fell out of my ring. Will the new stone match the old one? We get this question all the time. People want their jewelry to look just the way it did before a gemstone fell out; who …
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Gem in the Spotlight: Tanzanite
… that causes gemstones to display different colors when viewed at different angles. Tanzanite in its raw form has three colors: blue, purple, and green. Heating removes the green component which makes the violetish blue color pop (although…Beauty and rarity are two wonderful traits in a gemstone. Tanzanite has them both. In fact, it is estimated that … diamond. But, what makes Tanzanite so popular is its color. Tanzanite’s gorgeous color is a captivating mix of blue and purple. The deep hues of violet, indigo, and blue come together in an unrivaled blend only found in tanzanite. Yet…
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The Difference Between White Gold and Platinum
…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 wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. The white color is achieved by a …alloying is also a hardening process for both metals. The hardeners used in platinum is either 10% or 5% of the mix. 14 karat white gold has 42% and 18 karat has 25% alloy used to whiten and harden. The more alloy makes white gold a …
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Types of Jewelry Clasps
In the world of jewelry, there are a wide variety of clasps, each with its own purpose and unique design. Whether you are … for a replacement for a broken clasp or just looking to learn more about them, this article is for you. History of Jewelry Clasps Jewelry clasps are a small but important component of many types of jewelry like necklaces, bracelets, … anklets. Clasps allow for easy attachment and removal of the jewelry and provide a secure way to wear and display precious pieces. The history of jewelry clasps dates back centuries, and we can watch as clasps have evolved over time …
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Caring for and Cleaning Your Jewelry
… 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 shows why jewelry …How to Clean Jewelry A diamond’s spectacular beauty is due to its light show. Diamonds make light reflect, show its many colors…. To perform its magic the diamond must be clean. Diamonds are grease magnets. They will pull the oil from your fingers. Soaps and lotions add a coating that stops the light show. Dust and dirt stick to the grease and oils creating a …
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Gem in the Spotlight: Tourmaline
Tourmaline is one of the most beautiful gems that you’ve probably never heard of. Less popular than the likes of ruby or … flies under the radar in the gem world and remains the best kept secret of gem collectors and connoisseurs who appreciate its unique properties and stunning array of colors. In fact, tourmaline is found in almost any color you can … most likely used and appreciated it for hundreds of years. But, before the advent of modern gemology, most tourmaline was believed to be ruby, sapphire, or emerald. Gemology of Tourmaline Gemologically speaking, tourmaline is its own …
