Search Results
Fine Jewelry University Articles matching: “sapphire simon g”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Star White Gold
How white is your white gold? Style, fashion, and beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is … gold has a pure reflexive look. White gold is white…or is it? White gold can be compared with gasoline. There are generally three grades of gasoline, regular (really the lowest), mid grade, and premium. In addition, not all gas is …. We have all had the experience of poor performance due to poorly made gas. White gold also has three grades. Grade 3 is off white, grade 2 is standard, and grade 1 is premium. This means that when white gold is made, it can be …
-
How Are Lab Grown Diamonds Made?
… lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow diamonds in the lab like they grew in nature. High …The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of scientists and … 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 jewelry. But, how is it done? Early Efforts …
-
Gem in the Spotlight: Ruby
… arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an extremely durable form of aluminum oxide with a Moh’s hardness of 9. This makes ruby one of the … from trace amounts of chromium in the crystal structure. If they are too purple or too pink, they are called purple sapphires or pink sapphires, respectively. Since sapphires and rubies are the same gem material, they also share a refractive…
-
How to Tell If a Diamond Is Natural or Lab Grown
How can I know if my diamond is real? This is a question we get all the time, and it’s not as simple as you might think. First, you have to decide what “real” means. If you are …lab grown diamonds, you might want to check out our introduction to lab grown and synthetic diamonds before continuing with this article. So, now you know that lab grown diamonds are just as real as natural diamonds, but we still want … like Cubic Zirconia (CZ) or Moissanite, it is easy to identify them because they aren’t diamonds. But, with lab grown diamonds, the chemical structure and properties are all the same as natural diamond, so it becomes much more …
-
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 …
-
Measuring Gold Weight
The old riddle goes: what weighs more a pound of feathers or a pound of gold? Some say gold because it is heavier. Others say they … a pound so they weigh the same. Both are wrong. How can this be? Tradition. Gold is not weighed in the ordinary weights. Gold is weighed in the troy measurement system. One ounce of gold is not the same as the ordinary ounce (really …both to a uniform system. A gram or gramme is a standard metric unit of mass. An avoirdupois ounce converts to 28.34 grams approximately. The troy ounce is 31.1 approximately. You say, “Aha! Gold weigh more, so a pound of gold weighs …
-
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 …
-
Is a Lab Grown Diamond Right for Me?
Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial … takes a lot of specialized knowledge that most people don’t have (anyone remember their refractive indexes from high school physics?). Even more unfortunately, the diamond industry suffers from a lot of misinformation and paranoia … are conflict diamonds (both wild falsehoods). On the other hand, I have heard some in the industry refer to lab grown diamonds as fakes (also completely false). We’re here to help cut through some of the rhetoric, so you can make an …
-
Diamond Buying Guide: The 4 C’s
If you understand how diamonds are graded, you have a better chance of finding the right one for you. At Arden Jewelers, our gemologists are more than … 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 1/5 of one gram. A carat is divided into 100 points. A diamond can be …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 often thought of in terms of its size. If you know that you like the look of …
