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Fine Jewelry University Articles matching: “Tension set”
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Fine Jewelry University (Show All FJU Articles)
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Anatomy of a Ring
…-bezel, and channel heads. A bezel head encircles the entire stone in metal and is possibly the most secure way to set a stone. Some people dislike the style, however, because it obscures more of the stone. The half bezel is a solution …metal that wrap approximately a quarter of the way around the stone on opposite sides of it. Finally, a channel head sets the stone in between two straight pieces of metal on either side of it (this style is most commonly seen with …
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Frequently Asked Question about Jewelry
… Gemological Laboratory describing a Loose Diamond. The laboratory will not issue certificates on Diamonds which are set in a mounting. A Diamond Certificate issues a “grade” indicating the physical properties of the Diamond “at the time…the years. The wife never liked the ring, but did not tell him. The why’s are: did not wish to hurt his feelings, we settled for it, that’s just what we did back then and others. As the marriage deepens an open and trusting bond can …
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Gem in the Spotlight: Emerald
… grinding wheels used for milling sugarcane in Colombia, where these unique gems are predominantly found. What sets trapiche emeralds apart from other emeralds is their unique growth habit, featuring six black spokes radiating from a … of Cleopatra . She wore the emerald on her wedding day and it was later sold at Christies in 2011 for $6.6 million, setting the record for the most expensive emerald jewelry ever sold at auction. The Chalk Emerald is a famous 37.8 carat…
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Gem in the Spotlight: Morganite
… should be. It is pastel or pale in color by nature and known for its transparent peach-pink hue though it also occurs as soft pink, violet-pink, or pale salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more popular gemstones. Morganite has an impressive family tree. It is a beryl gem which puts it in the same family as emerald and aquamarine. Because of its association with emerald it is sometimes called “Pink …
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Gem in the Spotlight: Ruby
… with the ruby throughout time. It was thought that the ruby could preserve health, remove evil thoughts, and settle disagreements. Rubies are also believed to aide physical and spiritual regeneration, enhance circulation, vitalize blood… cut is unrivaled. It is the most famous 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 …
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The Magic of Polarized Light
… is because the center retains more heat. As it cools and contracts, the surface of the stone is put under a lot of tension from the internal forces pulling in on it. The strain distorts the polarized light showing anomalous double … the polariscope. Polariscopes have two polarizing filters placed over a light source with a gap in between them to set a gemstone. When the filters are turned 90° from each other to their crossed position the light source is blocked, …
