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Fine Jewelry University Articles matching: “ring 375 DIA”

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Fine Jewelry University (Show All FJU Articles)

  1. 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 …

  2. Frequently Asked Question about Jewelry

    … professionals must keep up with current advancements in the field. The pace of change in the gem industry is staggering. What is Moissanite? Moissanite is lab-created silicon carbide. It has become an excellent diamond imitation since it…. You can add gems or use less of the gems you already have. Many clients have used the main diamond of the old ring to be a side diamond in the new design. Others have made a few design changes, but it is basically the same look and feel…

  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. 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 … 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 is called a …

  6. Evaluating inherited estate jewelry can be tricky

    How to Value Inherited Jewelry

    …their offer can be significantly lower than even the intrinsic value of a piece. We have even heard of cases where a ring with a one carat diamond and $50 in scrap gold was valued at $50 by these operations. The intrinsic values for the … some of the strongest value to jewelry, but a professional jewelry appraiser has no way of establishing or measuring this value. In the end, it is up to the family to work out a just solution. The desire to have a fair equitable division…

  7. Gold Purity and The Differences Between White and Yellow Gold

    Gold, just the word brings to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists tell us gold is an element …Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement rings to show the eternal affection of one person to another. Gold is an expression of love. Gold Purity Is all gold the …of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many forms. Basic to understand the uses of gold in jewelry is karat. Karat with a K is the purity of …

  8. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light.” During the Middle Ages, opal gained an interesting reputation for … of illness, particularly the plague. In Arabian cultures, opal was considered a celestial gift that rained down during lightning storms and carried with it the magic of the heavens. Arguably the most famous opal of all time is “Aurora …

  9. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … you have a question that you don’t see answered here, please contact us and let us know. A gemstone fell out of my ring. Will the new stone match the old one? We get this question all the time. People want their jewelry to look just the … have a yellow tint to them, so they require regular rhodium plating to keep looking white. How often should I bring my jewelry in for check-ups? A little preventative maintenance can go a long way towards keeping your diamonds from …