Search Results
Fine Jewelry University Articles matching: “Rt mean”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Tourmaline
… in submarines. History and Lore of Tourmaline The name tourmaline comes from the Singhalese word turamali, which means “mixed gems” owing to the fact that the gem can look like many others. Tourmaline was first discovered in 1554 in … in the gem world and remains the best kept secret of gem collectors and connoisseurs who appreciate its unique properties and stunning array of colors. In fact, tourmaline is found in almost any color you can imagine, and people have …
-
What Are Lab Grown Diamonds?
…vocabulary. Synthetic. Understanding this term correctly is the key that unlocks this entire question. Synthetic can mean artificial or even fake. Synthetic can also mean man-made, copied, unreal, or even imitation. But, in this context, …, described as synthetic diamonds. This misrepresentation has seriously confused what the term “synthetic” means, and it’s why most producers of man-made diamonds prefer the term “lab grown” over “synthetic.” In order to appreciate this …
-
Star White Gold
… 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 yellowish to light yellow. When white gold rings are new they are coated … the White Gold Task Force did come up with is a way to classify the whiteness or yellowness of white gold. What I mean is, it depends on how you look at the charts. You can look for the yellowness of the jewelry or how white it is. Both …
-
Gem in the Spotlight: Pearl
… a pearl or strand of pearls. Care and Cleaning of Pearls Unlike most gems, pearls are an organic creation which means that they require a little extra care to continue looking their best. With a Mohs hardness of 2.5, pearls are among the…’s shell, which then secretes nacre around it, just like it would with a natural irritant. The resulting pearl is virtually indistinguishable from a natural pearl in appearance, and can be created in a fraction of the time. Because of …
-
Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
… looking for the absence of color or transparency (except in fancy color diamonds). A letter grade starting with “D” means totally transparent. The scale then moves down the alphabet to the next level of less transparency color. D to F …The value factors of a diamond are like anything else, supply and demand, but when you can carry a million dollars worth in your pocket the standards to evaluate diamonds are extremely exciting. The four C’s of carat, cut, color and …
-
Diamond Brokering
… us. Our brokerage has links to hundreds of diamond importers, wholesalers, dealers and traders. We use high-tech means to reach the most sophisticated companies and low-tech to mine even one person operations all with the goal of finding…Serving you is our passion. Making our expertise available to you coupled with our value hunting system makes the diamond buying experience a positive one. Please… thousands of dollars different in price? A subtle difference in a diamond impacts the price significantly. Our expert guidance system helps: Understanding the basic diamond value system Understanding the expert diamond evaluation …
-
Gem in the Spotlight: Alexandrite
…’s crystal structure. It absorbs most wavelengths of light very well, only transmitting green and red light. This means that depending on the light source the stone will reflect more of the accent colors of light. Since fluorescent light …, or 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-…
-
Gem in the Spotlight: Iolite
… and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The color you see is the …. Iolite is one of the most pleochroic gemstone used today. It is iolite’s pleochroism that led to its most important historical use. Vikings used iolite slices to reduce glare when checking the sun’s position. The Vikings, according to…
-
What to Do When Your Ring Irritates Your Skin
… a change in the skin’s chemical composition. Adding to the confusion, metal allergies can develop at any age. This means that even if nothing changed it is possible to suddenly become allergic to jewelry that you have been wearing …salty foods for instance) has caused your finger to swell slightly. Allergic Reactions Some people are allergic to certain metals that are used in jewelry. This can show up as a rash or discoloration of the skin which can begin hours or…
