Search Results
Fine Jewelry University Articles matching: “Lab created alexandrite”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University
-
Frequently Asked Question about Jewelry
… in the field. The pace of change in the gem industry is staggering. What is Moissanite? Moissanite is lab–created silicon carbide. It has become an excellent diamond imitation since it gives a positive reading on a thermal inertia testers (… between a Diamond Certificate and an Appraisal? A Diamond Certificate is a document issued by a Gemological Laboratory describing a Loose Diamond. The laboratory will not issue certificates on Diamonds which are set in a mounting. A …
-
Star White Gold
…generally three grades of gasoline, regular (really the lowest), mid grade, and premium. In addition, not all gas is created equally. We have all had the experience of poor performance due to poorly made gas. White gold also has three grades… have sensitivity to the nickel in white gold. Star white gold has been evaluated by a leading independent testing laboratory. The Star White gold family of alloys does not require rhodium plating. They have been color tested by the …
-
Anatomy of a Ring
… also adds a degree of security to the center stone as the arches can protect it from some side impacts. It also creates a difficult to clean area on the underside of the cathedral arches that can build up with dirt over time. We created an entire video on cathedral rings which you can checkout if you are interested in learning more about them. Halo Halo rings have been very popular for sometime and so you may be familiar with this one already. The “halo” refers to the …
-
Alternative Metals for Men’s Jewelry
…ammunition. Tungsten wedding bands are not made out of pure tungsten. They are made out of tungsten carbide which is created by combining an equal number of tungsten and carbon atoms. Tungsten carbide rings need to combine tungsten ore in a …, lustrous, red surface. Burl wood rings are another creative use of nature and modern design. Burl wood is created when a tree growth has deformed. This fashions a beautiful, one-of-a-kind pattern which is very hard. Burl wood is often used…
-
Gem in the Spotlight: Jade
…, maw sit sit, and hydrogrossular garnet. For a short amount of time, a few laboratories produced synthetic (lab–created) jadeite. This proved to be unprofitable and was quickly forgotten; however, a small amount of it remains on the market … a big impact on how gems are worn and what they can handle. We all know diamonds are the hardest gem commonly available on earth. If you scraped them together, a diamond would scratch a piece of jade while the much softer jade wouldn’t …
