Another large diamond was unearthed, a presidential candidate’s old engagement ring surfaced for sale and the Super Bowl 50 winners got their championship bling.

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Uncovered at the Nyurbinskaya pipe, the rough diamond is one of the largest ever found in the Russian Federation.

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Tiancheng International’s sale featured a collection from jewelry designer Kat Florence to raise funds for A Drop of Life to rebuild a children’s school.

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The Responsible Jewellery Council chose Wilfried Hoerner as chairman and re-elected Mark Jenkins of Signet Jewelers as its honorary secretary.

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Auction house Joseph DuMouchelle will offer the 7.45-carat emerald-cut Harry Winston diamond ring, which has a pre-sale estimate of $300,000.

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Friends & Benefits is designed to help the jewelry industry generate referrals and purchasing leads by creating incentives for both new and existing customers.

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The American Gem Trade Association has initiated a project to fight the rise of the disease that results from workers inhaling airborne silica dust.

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Here are the top five stories published on NationalJeweler.com for the week of June 5 to 11, according to Google Analytics.

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The 24.18-carat fancy intense blue diamond went for approximately $1 million per carat Thursday at Christie’s, falling within its pre-sale estimate.

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This week’s photo rewind rounds up the shows, events and activities held during market week in Sin City.

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In addition to displaying its beautiful one-of-a-kind pieces at the Couture show in Las Vegas, the brand also had added a line of price-point driven pieces.

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What does it take to conquer one’s ego in order to be successful? One of the new books out this month explores.

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Diacore and Mellen Inc. have formed a partnership with the auction house to acquire an ownership interest in the 59.60-carat diamond known as the Pink Star.

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The fine jewelry manufacturer has hired Richard Weisenfeld as director of sales and Wendy Ross as product developer.

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The colored stone miner partnered with Muse showroom for a new, mid-priced line that launched at Couture and also is being sold online.

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While the pearl is perfectly positioned as the gem of the month, June also can call alexandrite and moonstone its birthstones, and this 10X blog showcases great pieces featuring each.

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De Beers’ diamond brand announced that its holiday marketing campaign will aim to drive consumers into stores through product-specific advertising featuring two-stone jewelry.

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The two organizations will introduce the addition to consumers next month via a public relations and marketing campaign led by Jewelers of America.

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The 5.03-carat fancy vivid green diamond, purchased by Chow Tai Fook, now is the most expensive green diamond ever sold at auction.

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Though the sale set a new record for per-carat prices for lower quality stones, it was only 76 percent sold by weight and 79 percent sold by value.

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American Gemological Laboratories will perform on-site testing of colored stones at JCK Las Vegas as well as the Las Vegas Antique Jewelry & Watch Show.

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Here are the top five stories published on NationalJeweler.com for the week of May 22 to 28, according to Google Analytics.

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Tiffany, Signet and Movado all released their first quarter numbers this week, with very mixed results amid a challenging retail environment.

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Sales and income were down for the watch company, which also lowered its annual outlook as the retail environment remains challenging.

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The group director of strategy and business for Anglo American will move into the position July 1 following Philippe Mellier’s decision to step down.

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