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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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What are “Blood Diamonds”?
… non-governmental organizations (NGOs) such as Global Witness and Partnership Africa Canada to create the Kimberley Process Certification System. This system was formally adopted in 2003 and guards against conflict diamonds entering the … are from sources free of conflict. Today, 71 governments have enshrined into their national law the Kimberley Process Certification System, and now more than 99% of the world’s diamonds are from conflict free sources. The flow of conflict …
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Diamond Buying Guide: The 4 C’s
…, our gemologists are more than happy to answer any questions you have so please feel free to visit us anytime. Carat Weight Diamonds are small, so the scale that is used to describe diamond weights uses very small units. A carat equals 1/… of one gram. A carat is divided into 100 points. A diamond can be described as 75 points or 0.75 carats or 3/4 of a carat. It is a good practice to know the exact weight of a diamond when buying or selling. The weight of a diamond is …
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Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
…one but at a good discount and you want to know about it. Treated diamonds must be handled differently in the repair process so tell them if you bought one. When you comparison buy a diamond you can remember the different clarities and judge… a million dollars worth in your pocket the standards to evaluate diamonds are extremely exciting. The four C’s of carat, cut, color and clarity determine a common comparison. They don’t set the price, just the basis to determine the price…
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Understanding the Diamond Buying Game
… report is not just seeing the four C’s grade to compare diamonds. The same lab can grade two stones H VS2 1.00 carat and the value of the two diamonds can be hundreds, if not thousands of dollars different. It is a favorite trick of some … a quality lab and mistakenly thinks the diamond is quality. The Dirty Little Secret of Diamond Grading So, two 1.00 carat H VS2 accurately graded diamonds from GIA labs can be worth thousands of dollars apart. How? One way is the cut of …
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Gold Purity and The Differences Between White and Yellow Gold
… come in many forms. Basic to understand the uses of gold in jewelry is karat. Karat with a K is the purity of gold, Carat with a C is a measure of weight use mostly in gem weight (one carat is 1/5 gram). Karated gold used in engagement … grade is used to express the proportion of gold in an alloy or the quality of a gold alloy. Fine (pure) gold is 24 karat. The proportions in other karat grades are listed in the table below: Karat Parts Gold to Alloy Percentage …
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Synthetic Gems: The Whole Story
… and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just a one carat gem could cost $3,000 and more. Most of the time people don’t wear them as an engagement ring where people can spend … there are different ways to make them. The inexpensive way to make the synthetic gems cost only a few dollars per carat and is generally easy to identify. But there are ways to make the synthetic gems that cost hundreds of dollars per …
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How Are Lab Grown Diamonds Made?
… successfully synthesized diamonds. However, it was not until relatively recently that a documented and reproducible process was demonstrated. Henri Moissan was one of the early pioneers in the field. In 1893, he claimed to have successfully… 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 (BARS) press. The goal of each …
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Fake Diamonds: The Great Diamond Attack
… but some companies now have the ability to change ugly into nice diamonds. Exactly how the companies are doing this process is a closely guarded secret. But the theory is basically recreating nature’s diamond forming process and changing …. The common colors are a bright green and yellow/orange stones. Some call the colors antifreeze looking. Is this process a simple treatment of a natural stone or is it the manufacturing of a diamond using some natural elements? Regardless …
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Gem in the Spotlight: Alexandrite
… it has remained ever since. In its short history, alexandrite has set multiple records at auctions including a 21-carat gemstone selling for 1.49 million dollars which works out to over $70,000 per carat! Alexandrite is said to bring luck… even ruby, alexandrite has been known around the 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-…
