Search Results
Fine Jewelry University Articles matching: “Carbon fiber”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Alternative Metals for Men’s Jewelry
…band. If you like the look of white gold but not the price tag, cobalt may be the perfect alternative metal for you. Carbon Fiber Carbon fiber wedding rings are popular with the modern, stylish ring buyer. Carbon fiber rings are certainly the … ring on the market, but they are also very strong. This combination of high strength and light weight is what makes carbon fiber so popular with high tech designs from space craft to high performance sports. Carbon fiber is a symbol of cutting …
-
How Are Lab Grown Diamonds Made?
The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of scientists and visionaries alike. Just like the alchemists of old who sought …field. In 1893, he claimed to have successfully made a diamond by heating charcoal to 3,500 degrees Celsius inside a carbon crucible. Many attempts were made to reproduce his techniques with some reported successes, but none could ever be … and temperature where diamond growth can occur. Each process starts with a small diamond seed which is placed in carbon and put under very high pressure and temperature to grow the diamond. The 10.02ct HPHT Diamond Made by NDT. Thanks to …
-
What Are Lab Grown Diamonds?
… synthetic diamonds is the Chemical Vapor Deposition (CVD) technique. In the CVD process, a chamber is filled with a carbon rich vapor. Carbon atoms are extracted from the rest of the gas and deposited on a wafer of diamond crystal which …
-
How to Tell If a Diamond Is Natural or Lab Grown
… some tools available to help us do this. One of the best indicators of whether a diamond is lab grown is whether or not it is a Type IIa diamond. Type IIa is actually a gemological variant of the diamond that relates to how pure the carbon is that makes up the diamond. In nature, less than 2% of all diamonds are Type IIa, however, most gem quality lab grown diamonds are Type IIa. So, if a diamond is Type IIa, that’s a pretty good indication that it is lab grown. However…
-
Types of Necklace Chains
… snake chain does need to be repaired, the damaged area may become stiff and remain visible even after the repair. Snagging – Although they look like one, continuous piece, the tightly packed rings can actually catch on hair and other fibers during daily wear. Serpentine Chain (Cobra, Boston Link, S-Link, C-Link, Flat Link) Serpentine, Cobra, S-Link, and C-link chains are all examples of a flat link style. These chains have smooth, interlocking links that are flat on top…
-
Fake Diamonds: The Great Diamond Attack
…use words with particular meanings. Synthetic is one of those words. Synthetic, in the gem world, means made of the same chemicals (elements) and crystal design as nature but is man made. So, a synthetic diamond is the same chemistry (carbon element) and crystal structure (cubic) as natural diamond but made in a factory. Yes, they can make synthetic diamonds and have for many years now. Most are used in the manufacturing of tools like diamond tip drills. Synthetic diamond…
-
Gem in the Spotlight: Emerald
… emeralds is their unique growth habit, featuring six black spokes radiating from a hexagonal core. This distinctive pattern is believed to form due to interruptions in the crystal growth process, allowing impurities such as black carbon to infiltrate the structure in a hexagonal pattern, characteristic of emerald’s crystal structure. Hollywood celebrities have had a fondness for emeralds for many years. Elizabeth Taylor received a 23.46 carat emerald and diamond pendant/…
