Search Results
Fine Jewelry University Articles matching: “SLO makers mark”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Aquamarine
…’s main pigment comes from iron. The color spectrum of aquamarine varies from very pale blue to a deep blue, the finest specimens being the deepest in color. Most aquamarine stones have a subtle green component, and in some markets, a deep greenish blue is the most desirable. Brazil is the most prolific supplier of aquamarine where it is often found in shades of blue-green. Aquamarine has a refractive index of 1.577 to 1.583 and is doubly refractive. Aquamarine’s …
-
Gold Purity and The Differences Between White and Yellow Gold
…with gold. A plated piece of jewelry has a thin layer of gold over a base or non gold metal. Some plated jewelry has markings that look like real solid gold. For example, a plated piece can be stamped: 14k HGE or 18k GE. HGE means …. You can learn more about gold plating on our FAQ page. Sometimes engagement rings are stamped 14KP. The 14KP is a marking for plum gold which is a true mix of 14 karat gold. Some governments allow 13.5k to be stamped 14k so the 14KP …
-
Understanding the Diamond Buying Game
… is unique. Diamond reports don’t tell the whole story. First, it is well known that not all diamond grading labs grade with the same standard. GIA and AGS use the most technical standards. EGL uses a looser grading standard, I call market grading. In addition, EGL has a franchise like business model and different EGL labs grade wildly different. Some other labs like IGI and many more will put on a report what the customer, the diamond owner wants the report to say. So …
-
Alternative Metals for Men’s Jewelry
… silver-white in color, but it can be treated to different colors. Titanium is very light weight which is its hallmark feature and one of the reasons it is used so heavily in manufacturing. It resists scratching well, and it is both …, it is difficult and expensive to resize, repair, or engrave aircraft grade titanium rings, again because of the remarkable properties of the alloy. This may or may not be an issue for you depending on who you buy your titanium ring from…
-
Frequently Asked Question about Jewelry
…is changing the very nature of diamonds. First, new synthetic (man made) diamonds of gem quality are coming into the market now. Next, companies can now change the color of diamonds. They are making the diamonds both more transparent (… diamond. Color is actually looking for the absence of color or transparency. Clarity is inclusions and natural birthmarks of a diamond and is useful as identifying characteristics. For more information see the Diamond Buying Guide . What…
-
Gem in the Spotlight: Amethyst
… found in multiple places around the world. Heavily increased supply dropped prices consistently over the last 200 years which is why, despite its beauty, amethyst is such an affordable stone today. About 50% of amethysts on the world market are now believed to be synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored amethysts are now appearing in inexpensive jewelry. Because the cost of testing is higher than the cost of even the …
-
The Magic of Polarized Light
… uses in gemology and our day-to-day lives. We hope you enjoyed this article, and remember that if you are in the market for a new diamond or gemstone our trained gemologists have the tools, understanding, and experience to help find the …, and it is a result of how the gem is formed. When the gem is cast, as most glass gems are, the inside cools at a slower rate than the outside. This is because the center retains more heat. As it cools and contracts, the surface of the …
-
What Are Lab Grown Diamonds?
…it is a “synthetic diamond” because it does not have the same chemical structure as a diamond. A white sapphire, marketed and disclosed as a white sapphire, is a sapphire. But, if it is used in place of a diamond, then it is a diamond … coated Cubic Zirconia has an extremely thin diamond coating only. However, this does not stop some unscrupulously marketers from calling them synthetic diamonds. Now, you know better. Lab Grown Diamonds Compared with Natural Diamonds So…
-
How to Sell Jewelry on eBay and Other Websites
… unique and are willing to pay a high price for it. Second, the others are looking for a great bargain, wanting only to pay the lowest price. If your jewelry is unique, get a high price if not, then the bargain hunters are your market. The success of eBay helped a much older business the pawn shops. The pawn shops who sell jewelry on eBay and other online sites are willing to take much less because they buy them so cheap. Unfortunately, they may be your biggest …
