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Fine Jewelry University Articles matching: “gold rings”

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Fine Jewelry University

  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 … the imagination of scientists and visionaries alike. Just like the alchemists of old who sought to turn lead into gold, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown …

  2. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … is a famous 37.8 carat emerald known for its clarity and rich green color. It was donated to the Smithsonian by Mr. and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and Cleaning of Emerald Like all precious gemstones, emeralds require proper …