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Fine Jewelry University Articles matching: “14k gold 160 g”
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Fake Diamonds: The Great Diamond Attack
A popular game show would have three people all say that they were someone and the contestant would try to find out who was the … and diamond lookalikes. “What is a real diamond?” is a difficult question these days. And the problem of separating a fully natural diamond from all the modern possibilities is quite demanding. So what is a real diamond? Let’s start …, Synthetic corundum and spinal, Glass) or simulants are quite easy to separate. The diamond tester and understanding gem properties make choosing the diamond an easy task with these older lookalikes. Apathy and sloppy observation can …
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Understanding the Diamond Buying Game
…. The soda is the same and you can shop based on price or convenience; the product is the same. People like shopping this way. I like it this way. Diamonds are not this way. The four C’s of diamonds are not that old, less than 100 … that system every business and diamond seller had their own system. It was impossible to buy a diamond without seeing it first. The GIA four C system is supposed to be an agreed upon grading standard but in reality this is not always …
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The History of Diamond Cuts
One of the earliest recorded statements about diamonds is: “the substance that possesses the greatest value, not only among the precious stones, but of all human possessions.” said by Pliny, the Roman historian… is the story of humankind’s love of diamonds and our quest to unlock their true brilliance. Before Diamond Cutting The Romans loved diamonds but did not have the technology to change their shape. So, the Romans wore uncut diamonds. …without any human modification. Diamonds normally form in the octahedral shape which looks like two pyramids stuck together at the base. Naturally, the first attempts to enhance diamonds were to polish the natural gem. The “point cut” …
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Gem in the Spotlight: Pearl
Pearls have captured the imagination and adoration of people from diverse backgrounds throughout history. They are both simple and infinitely … science, history, and lore surrounding this most unique gem. How Are Pearls Formed? Pearls are formed when a foreign object enters the shell of a mollusk and irritates the soft mantle tissue within. In response to the irritant, the … object and protect itself. Over time, layer upon layer of nacre is deposited around the irritant, eventually forming a pearl. This process can occur naturally or via human intervention. Natural pearls grow in the wild without human …
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Gem in the Spotlight: Sapphire
… known as ruby), but is especially popular in deep blue. Fancy colored sapphires including pink, green, orange, and golden yellow are magnificent in any jewelry. See More on Etsy › With the exception of the diamond, which measures 10 on …Few gems capture the imagination as does sapphire. Sapphire’s beauty inspired people to wonder. Ancient cultures had many … and beliefs about the sapphire. The ancient Persians believed the earth rested on a giant sapphire whose reflection gave the sky its color. Ancient priests and sorcerers honored sapphire above all gems, for this stone enabled them to …
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Gem in the Spotlight: Alexandrite
Emerald by day, ruby by night, more expensive than diamond and more illustrious than sapphire, emerald, or even ruby, alexandrite has been known… world as one of the most sought-after gems for the better part of 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, color-change variety of a gem species called Chrysoberyl. …appears bluish-green in daylight, fluorescent light, and some LED light. Under incandescent light, candle, and firelight, alexandrite appears purplish-red. This is because of how the trace element chromium interacts with alexandrite’s …
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Gem in the Spotlight: Tanzanite
Beauty and rarity are two wonderful traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, … 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. The amazing look of Tanzanite demands a price to … price than better known gems like Rubies, Sapphires, and Emeralds. There are many shades of color in the Tanzanite gem market. Some Tanzanites are extremely light blue. They are uninteresting and bland to look at. They are also priced…
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Gem in the Spotlight: Ruby
For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our hearts and minds for so long? Is it ruby’s color… its high cost? Or, is it something deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. … is an extremely durable form of aluminum oxide with a Moh’s hardness of 9. This makes ruby one of the hardest gems commonly used in jewelry second only to diamond (which has a Moh’s hardness of 10) and moissanite (which is in between…
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The Magic of Polarized Light
We use polarized light on a daily basis when we put on our sunglasses, turn on our TV, or sit down at our computer. But, what is …exactly, and why is my jeweler writing about it? It turns out that polarized light is actually a very useful tool in gemology, and in this article we’ll show you why. What Is Polarized Light? Light from almost any light source travels … directions, and the vibrations around each ray of light are random. This is called unpolarized light. In the gemological world, this would be any light source that we use on a regular basis (e.g. overhead reflected light or a daylight…
