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Fine Jewelry University Articles matching: “Three stone halo”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Topaz
… blue is Swiss, and the dark blue is London. There are many trade names for the different shades of blue, but these three are the most widely accepted. Mystic Topaz is a very interesting gem. The play of rainbow-like colors is definitely …, to violet, to green. These coatings can allow topaz to be any color of your preference. Topaz itself is a hard gemstone with a Mohs hardness of 8. Mohs hardness is a standardized metric of how difficult it is to scratch something. For …
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Gem in the Spotlight: Opal
… the gem world, and the lore that surrounds it is almost as colorful as the gem itself. Opal is the traditional birthstone for those lucky enough to born in October, and it is found in a huge variety of colors (sometimes all within the … color, and a wide range of colors. Red carries more value and is by far the rarest color that opals can display. Stones with larger patches of color are valued higher than those that display only small pins (pinfire) or no play of color …
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Alternative Metals for Men’s Jewelry
…platinum are all excellent metals which make great wedding bands, but with the advent of new technologies the “big three” have been joined by a slew of new options. Options are great, but with so many to choose from, it can be difficult to… jewelry metals can usually wear tungsten jewelry without issue. Tungsten comes from a Swedish term meaning “heavy stone.” It is element 74 on the periodic table with the chemical symbol “W”. The “W” comes from its earlier name, wolfram. …
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Gem in the Spotlight: Iolite
Iolite is maybe not the first gemstone people think of for their blue-violet jewelry, but it should be near the top of the list. Iolite’s color range of … popular gems, iolite cannot be heat treated to enhance its color. The color you see is the natural color of the stone when it was first discovered. This adds value to many gem buyers who don’t want a treated gemstone. Color Me Impressed … is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. The process works because of the ability of a gem to absorb different wavelengths of transmitted …
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Gem in the Spotlight: Spinel
…For years spinel has been confused with other gems and even today is often used as a substitute for similar looking stones. In recent years, spinel has started to move out of the shadows and be appreciated in its own right, and we can see … more popular gems. For only the 3rd time in the last one hundred years, the industry is modifying the official birthstone list. Spinel will be joining peridot as the August birthstone! This change was officially made in 2016, but only in …
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Frequently Asked Question about Jewelry
… 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 estimation techniques. …. Carat is the weight of a gem. A carat equals 1/5 of one gram. Cut has two components to it. The shape of the stone and the way facets are positioned on the diamond. Color is actually looking for the absence of color or transparency. …
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How Are Lab Grown Diamonds Made?
… making artificial carbon crystal was the problem of lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow …synthetic diamonds were made by mimicking nature with High Pressure/High Temperature (HPHT) manufacturing. There are three basic manufacturing processes used to make HPHT diamonds: the belt press, the cubic press, and the split-sphere (…
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Types of Necklace Chains
… The fiagro chain is a variation of the curb chain that features a repeating pattern of long and short links. Like the curb, these chains are flexible and strong, with a somewhat masculine feel. The classic figaro pattern consists of three to five small links followed by one elongated link, although other combinations are common as well. These chains have a long and rich history and are often worn alone or with medallions since they are quite strong. Diamond cutting is …
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Gem in the Spotlight: Pearl
… (e.g. plastic, shell, or some type of composite). History and Notable Pearls Pearl is the traditional birthstone of June and is a favorite gem for weddings. Natural pearls have been discovered and cherished for hundreds of years. Only … come in seven basic shapes: round, near-round, button, drop, oval, semi-baroque, and baroque. Color: There are three components: bodycolor (dominant, overall color of the pearl), overtone (one or more translucent colors that lie over the …
