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Fine Jewelry University Articles matching: “Clustet diamond engagement”
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Fine Jewelry University
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Star White Gold
… white is your white gold? Style, fashion, and beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is bright. White gold has a pure reflexive look. White gold is white…or is it? White gold can be … above 32 on the Yellowness Index falls outside the “white gold” definition. Now don’t think after learning the diamond‘s four C’s you must learn the white gold grading chart. It won’t help learning the chart unless you have x-ray eyes. You …
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Gem in the Spotlight: Pearl
… Taylor. During Taylor’s ownership, the pearl was set into a necklace designed by Cartier, which also included diamonds and rubies. The La Peregrina pearl is one of the largest and most perfectly symmetrical natural pearls in existence. It …the lighting and angle. One of the most interesting things about the Hope Pearl is its connection to the famous Hope Diamond. It is believed that the Hope Pearl was once part of a larger piece of jewelry that also included the Hope Diamond, …
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Gem in the Spotlight: Ruby
… oxide with a Moh’s hardness of 9. This makes ruby one of the hardest gems commonly used in jewelry second only to diamond (which has a Moh’s hardness of 10) and moissanite (which is in between). Rubies only occur in the color red which …ruby, and was originally mined in Myanmar. The Sunrise Ruby was eventually set by Cartier into a ring along with two diamonds weighing a total of 5 carats. In 2015, Sotheby’s put the ring up for auction where it sold for a record setting $30…
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Gem in the Spotlight: Emerald
… celebrities have had a fondness for emeralds for many years. Elizabeth Taylor received a 23.46 carat emerald and diamond pendant/brooch from her future husband Richard Burton during the shooting of Cleopatra . She wore the emerald on her … 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 …
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Gem in the Spotlight: Opal
…”. Opal has a refractive index of 1.37 – 1.47 and a Mohs hardness of 5.5-6. This makes it one of the softest gemstones commonly used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (both 2.5) to find a commonly used gem that is softer than opal. Common Opal Treatments There are several …
