Search Results
Fine Jewelry University Articles matching: “Loose gems”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Synthetic Gems: The Whole Story
Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four gems have been coveted by rulers and the rich for thousands of … if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just a one carat gem could cost $3,000 … ring where people can spend over $10,000 routinely. The answer was to find a less expensive way to have these gems. It took over a hundred years and millions of dollars of research to create what nature can produce. Man made gems come in…
-
Jewelry Repair FAQ
…to look just the way it did before a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a …great example of this. If you’re curious, you can learn more about gold purity here. How can I tell if my diamond is loose? Losing a diamond or gemstone out of a ring of any size is a sad experience, and losing a big diamond can be tragic…
-
Frequently Asked Question about Jewelry
… 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 Diamond Certificate … period of time, assuming the Diamond does not chip or is not otherwise altered. An appraisal can be performed on a loose Diamond, a mounted stone, or jewelry. If the stone is not loose, the physical properties are estimated using various …
-
How to Sell Your Jewelry
… of how to clean the jewelry or gem, let the professionals do it. Here are some cleaning tips. Never clean gold and gems in chlorine. Ammonia based cleaning products are used throughout the jewelry industry, but they can damage some gems… rinse thoroughly for most jewelry. A hard toothbrush and toothpaste or toothpowder will scratch gold and hurt some gems. The best cleaning tip is to know for certain the best cleaners to use on your jewelry and do it carefully. The …
-
Gem in the Spotlight: Jade
Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an incredibly important part of Asian, … given it such a prominent place in human history? The term “jade” actually refers to two completely different gems: nephrite and jadeite. These are actually two unique mineral species, but since they have been confused for so many years… emerald green that is almost transparent, and it is called “Imperial Jade.” Jade is one of the top selling gems in Asia, but its beauty and cultural importance have landed it a spot as one of the most important items in the global gem …
-
Gem in the Spotlight: Quartz
… at the title and knew). Quartz is one of the most common minerals on earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. Some are ordinary like rock quartz, others are exotic like Drusy Quartz. Some …, microcrystalline and cryptocrystalline. Within each of these broad categories, the different colors of the gemstone are given different names. Below is a quick list to help you get a better handle on the vast diversity of quartz. Before…
-
What Are Lab Grown Diamonds?
… diamond”? In the gemological world, synthetic is a highly technical term. When speaking technically, synthetic gems are man-made crystals with the same crystal structure and chemical composition as the specific gem that is being created… structure and chemical composition as a natural diamond. The same cannot be said of the many imitation or fake gems that are often, incorrectly, described as synthetic diamonds. This misrepresentation has seriously confused what the term…
-
Gem in the Spotlight: Tanzanite
Beauty and rarity are two wonderful traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what … in tanzanite. Yet, even with its rarity and dynamic look, tanzanite is still less in price than more commonly known gems like rubies, sapphires, and emeralds. Gemology of Tanzanite Gemologists refer to this gem as blue zoisite. The vast … that isn’t heated and is still pretty enough for jewelry displays trichroism. Trichroism is an effect that causes gemstones to display different colors when viewed at different angles. Tanzanite in its raw form has three colors: blue, …
-
The Magic of Polarized Light
… Polarizing filters are critical to many fields of study. Without them, we wouldn’t be able to easily identify gemstones, TVs and monitors wouldn’t work in the same way, and the latest blockbuster movie wouldn’t pop off the screen the way… allow them to function efficiently as they do without negative side effects. Using Polarized Light in Gemology Some gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (…
