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On
September 8, 2015, a federal judge ruled in favor of Tiffany & Co., rejecting Costco's generic-use argument and finding that Costco's usage of the "Tiffany" name violated Tiffany & Co.'s trademark rights. However, in August 2020, a court of appeals in New York tossed out that judgement and
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Over time, prongs may get worn out or become loose. Getting the ring checked regularly is a good idea to prevent any accidental loss of a mounted gemstone. Some effective ways include using a 10X loupe to check for gaps between prongs and gemstone, listening for sounds made by loose gemstone, and
123:. V-shaped prongs are recommended for a marquise-cut or pear-shaped stone, while flat prongs are recommended for a flat-cut emerald. A prong setting holds the gem securely while allowing the gem to be struck with more light and from more angles, increasing the brilliance of the gemstone.
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A prong setting offers less protection to the gem than inset mounts. In addition, prongs can snag on clothing or fabric. High-quality settings are less likely to snag on clothing, as the prongs are firmly attached to the gem and well finished.
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A 2017, $ 19 million lawsuit confirmed the exclusive right of
Tiffany & Co. to use the term "Tiffany" within the jewelry sales industry. The judgment was eventually overturned, and the parties made a confidential settlement.
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While some in the jewelry industry use the term "Tiffany setting" to describe multiprong solitaire rings, the
Tiffany setting is a specific trademarked design of Tiffany & Co. In February 2013, Tiffany & Co. filed a
55:, a claw-shaped type of binding (typically three, four, or six individual prongs per head) that is welded or soldered to a jewelry item to mount (or "set") a gemstone to the jewelry item. A common setting for
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to describe products that were not made or licensed by
Tiffany & Co. In its defense, Costco asserted that it did not infringe because the terms "Tiffany" and "Tiffany setting" were
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over Costco's practice of selling prong-setting engagement rings described as "Tiffany setting" rings. The lawsuit alleged that Costco was unlawfully using the "Tiffany"
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103:. Heads used to prong set a gemstone are made in a variety of sizes and shapes, depending on the shape and size of the gemstone, or whether or not the gemstone is
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engagement rings. The
Tiffany setting popularized the general use of prong-setting engagement rings, and as of 2012, the trade association
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The head can be handmade, cast, or die struck, and it is made from some type of precious metal, such as
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rings, although this is a trademarked term specifically used to describe prong setting rings sold by
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reports that multiprong solitare rings are the most sought-after form of engagement ring available.
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On July 19, 2021, Tiffany and Costco settled their dispute with no details being offered.
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315:"Deconstructing The Tiffany Setting, The World's Most Popular Engagement Ring"
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One well-known prong setting is the "Tiffany setting", a trademarked
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sided with Costco, sending the case back down to the trial court.
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taking it to a professional jeweler once every 6 months for checks.
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399:"Tiffany, Costco settle 8-year lawsuit over fake 'Tiffany' rings"
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419:"Costco Settles Longtime Dispute Over 'Tiffany' Diamond Rings"
371:"Costco sold counterfeit Tiffany engagement rings: U.S. judge"
111:-shaped. Common shapes of heads used in stone setting include
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Prong-setting engagement rings are sometimes referred to as
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by common usage to describe prong-setting engagement ring.
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refers to the use of metal projections or tines, called "
343:"Tiffany Can't Kill Costco's Trademark Genericide Claim"
47:. A prong setting is one component of what is known to
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369:Raymond, Nate (September 8, 2015).
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119:, marquise cut, pear-shaped, and
215:"Engagement Ring Settings 101"
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313:Lee, Jane (October 2, 2012).
140:Tiffany design and trademark
277:"Charles Tiffany Biography"
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170:Costco Wholesale Corp.
166:trademark infringement
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255:"Ring Settings Guide"
115:, oval, emerald cut,
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291:on December 5, 2013
158:Jewelers of America
148:design created by
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257:. The Diamond Pro
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121:trillian cut
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20:A prong set
383:October 18,
354:October 18,
326:October 18,
295:October 18,
261:October 18,
228:October 18,
219:theknot.com
178:genericized
33:prong mount
424:2021-07-08
404:2021-07-19
379:. New York
320:Forbes.com
191:References
64:brilliance
174:trademark
127:Drawbacks
439:Category
223:XO Group
109:cabochon
101:platinum
49:jewelers
41:gemstone
376:Reuters
105:faceted
57:diamond
45:jewelry
22:diamond
348:Law360
97:silver
37:prongs
113:round
99:, or
51:as a
385:2015
356:2015
328:2015
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93:gold
53:head
107:or
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