The rare turquoise and diamond jewel was the top lot at Bonhams’ June jewelry sale.
UBM in talks to acquire Advanstar
International media and trade show company United Business Media (UBM) confirmed last week it is in discussions to acquire Advanstar, an event and marketing service business based in New York.
London--International media and trade show company United Business Media (UBM) confirmed last week it is in discussions to acquire Advanstar, an event and marketing service business based in New York.
While UBM did not disclose the value of the transaction Women’s Wear Daily reported Monday that Advanstar’s price tag is “about $900 million.”
Included in UBM’s portfolio of events is a number of fine jewelry trade shows, including the Hong Kong Jewellery & Gem Fair that concluded Sunday as well as jewelry fairs in Delhi, Japan, Hyderabad, Singapore and other locations.
Advanstar produces the Magic Marketplace events held in Vegas biannually, which offer accessories including jewelry, as well as a series of 16 focused shows held in New York throughout the year.
UBM said its discussions with Advanstar “may or may not lead to a transaction” and another announcement will be made “if appropriate.”
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Two existing executives have been given new roles.

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It will quit assigning the stones specific color and clarity grades in favor of applying “new descriptive terminology.”

From design trends to sustainability, here’s a roundup of can’t-miss education sessions at JCK Las Vegas.

The Jewelers’ Security Alliance offers advice for those attending the annual trade shows.

Her new role is director of strategic initiatives.

The designer is embracing bold pieces with weight to them in “AU79,” a collection she celebrated with a creative launch party.

On an earnings call, CEO J.K. Symancyk discussed what’s working for the company and how it’s preparing for the potential impact of tariffs.

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The actress stars in the latest campaign set in Venice, Italy, and is set to participate in other creative initiatives for the jeweler.

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Located in Bangkok, the laboratory is Gemological Science International’s 14th location worldwide.

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The diamond industry veteran has been named its senior sales executive.

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Designed by founder Renato and his daughter Serena Cipullo, it showcases a flame motif representing unity and the power of gathering.