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Fine Jewelry University Articles matching: “Ring stamped 12K and 14K”

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Fine Jewelry University (Show All FJU Articles)

  1. A single platinum wedding band

    Platinum

    …. Platinum is rare, the coveted treasure of discerning individuals. Platinum is one of the strongest and most enduring metals. Some of the world’s greatest treasures are set in platinum, such as the Hope Diamond. It is also one of the …. These qualities of platinum are equivalent to the ideals of eternal true love. All over the world, engagement rings, wedding bands and anniversary rings made in platinum symbolize the everlasting endurance of love. Platinum is pure, an …

  2. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    … of the gem. History and Lore of Jade Jade’s incredible toughness has made it a useful tool throughout history. During the Stone Age of many cultures, jade was used for agricultural tools and weapons such as axe heads and knives. Jade has… of jadeite, the carvers switched focus from the previous materials to this new and beautiful gem. It was during this time, from the 1700s-1900s, that some of the most intricate and advanced jadeite carvings were made. Some of the …

  3. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … with the clergy and was often used in the design of religious objects. It was also believed to have the power to bring about sobriety and was given to people who were struggling with addiction. Wine glasses were even carved out of … 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 natural stones it is not …

  4. Collection of sapphire jewelry and loose sapphire gemstones in many colors

    Gem in the Spotlight: Sapphire

    … sacred and was worn by priests to show their connection to the sky and heaven. Sapphires were set in the Bishop’s ring as a symbol of unity between the priest, the sky and heaven. Sapphire has been associated with divine favor. The … Anglo-Saxons from 1042-1066, met a beggar one day. King Edward had nothing of value on him except for his sapphire ring, which he generously gave to the beggar. The beggar was really a messenger from God, who later returned the ring to …

  5. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    … as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its ability to become electrically charged in certain … with opal, tourmaline is October’s birthstone. Care and Cleaning of Tourmaline Tourmaline makes a great gem in a ring for occasional wear or a pendant/earrings for daily wear. Because it isn’t exceptionally hard (Mohs hardness of 7-7.5…

  6. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … formation are naturally found. We see diamonds closer to the surface of the earth when a rare type of deep volcano brings them up to where humans can find and mine them. The first successful synthetic diamonds were made by mimicking … very high pressure and temperature to grow the diamond. The 10.02ct HPHT Diamond Made by NDT. Thanks to IGI for sharing this video. The GE invention of the belt press uses an upper and lower anvil to generate pressure over 1.5 million …

  7. A pair of diamond stud earrings surrounded by different earring back options

    Styles of Earring Backs

    Earrings come in many different styles. Here we will explore the more common types of earring backs, highlighting some of … proper name for it. Maybe you are looking for the perfect gift. Maybe you are having trouble with your current earrings and are looking for alternatives. Or maybe you are simply interested in expanding your general jewelry knowledge. … Backs) Also called “butterfly backs,” and sometimes “push backs.” These are undoubtedly the most common style of earring back. They work on earrings with posts, using friction to secure the earring in place–hence the name. Often times …

  8. Synthetic Gems: The Whole Story

    … price. Just a one carat gem could cost $3,000 and more. Most of the time people don’t wear them as an engagement ring where people can spend over $10,000 routinely. The answer was to find a less expensive way to have these gems. It took …Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four gems have been coveted by … from simple glass to plastic to high tech chemical tongue twister like gadolinium gallium garnet (also called GGG) and the modern diamond simulant Moissanite, a man made silicon carbide. In gemology, any material used to look like a gem…

  9. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    …hardness of 8 and good toughness spinel is a great choice for all forms of jewelry. We recommend occasional wear for rings and bracelets, but earrings and pendants are suitable for daily wear. Spinel can come in virtually any color of the… guidance systems. It even has the potential to make its way onto our smartphones as a super durable, glass-like covering. History and Lore of Spinel Spinel is arguably the most overlooked and underappreciated gemstone of all time. Spinel…

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