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Fine Jewelry University Articles matching: “Cushion cut diamond”

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Fine Jewelry University (Show All FJU Articles)

  1. Three loose rubies in a row triangle oval and pear shaped

    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…

  2. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    …eading names for gems. Quartz seems to have more than its fair share of misnomers. One famous one is “Alaska Diamond” for rock crystal alongside “Herkimer Diamonds” (see below). In recent times, the term “Green Amethyst,” which was commonly … (yes you read that correctly) slab of natural clear quartz and is one of the largest clusters ever found. Herkimer diamonds are a famous type of quartz not for their rarity, but for their ability to pass for diamonds to the untrained eye. …

  3. Evaluating inherited estate jewelry can be tricky

    How to Value Inherited Jewelry

    … 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 gems are based on the cash wholesale… the gem minus any cost for re-cutting or re-polishing the gem if it is worn or cut in an obsolete style. Intrinsic diamond and gem prices are not readily available like precious metal prices are to the general public. The gold, platinum, …

  4. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    …ht. History and Lore Topaz in its pure form is naturally colorless, clear like a diamond. The famous “Braganza Diamond” was thought to be the largest diamond ever found (prior to the Cullinan Diamond) at 1,680 carats and was set in the Portu… to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic…

  5. Blue Zircon loose gems and jewelry

    Gem in the Spotlight: Blue Zircon

    … of zircon creates one of the liveliest displays found in any colored gem. In fact, before any of the manmade diamond simulates were made, the colorless version of zircon was used in jewelry to mimic diamond. Why? Natural zircon is known for…, brown, or red variety of Zircon. Jargon is the colorless, pale gray, or pale yellow variety of Zircon. Matura Diamond is another trade name for colorless Zircon. Starlite is the name for the blue gem variety of Zircon. The color of …

  6. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    … is now possible with Arden Jewelers’ laser. The laser can also help Angelo create very complicated pieces and diamond intensive pieces in his designer lines and custom jewelry. Our master jewelers and a laser can fix even costume jewelry … gives our jewelers the precision he needs to work around our customer’s jewelry treasures. Arden jewelers can cut with the laser, weld two pieces of precious metal together, or do fill-in work to smooth out gaps and rough spots. The …

  7. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    … traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what makes Tanzanite so popular is its color. Tanzanite’s gorgeous color is a captivating mix of blue and purple…. The Queen of Kilimanjaro tiara contains the largest faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely …

  8. The Birthstones

    … aquamarine was believed to instill courage in those who wore them. Learn more about Aquamarine April’s Birthstone: Diamond April’s birthstone is the emblem of fearlessness and invincibility. Courage, strength and fortitude were attributes … love since the 15th century, when Archduke Maximillian of Austria sealed his engagement to Mary of Burgundy with a diamond ring. Of all jewels, the diamond is supreme and worthy of the name precious stone. It qualifies for all the virtues …

  9. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    …. In the Middle Ages, aquamarine was believed to guarantee a happy marriage and inspire mutual fidelity in newlyweds. Notable Aquamarine Gemstones The largest gem-quality aquamarine gemstone ever mined was 19 inches long. The largest cut aquamarine is named the Dom Pedro and is an astounding 10,363 carats. It measures 14 inches long and is currently on display in the Smithsonian. Another famous aquamarine is the incredible stone housed in Queen Elizabeth’s tiara. Her …

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