Items taken during the daytime robbery included "precious gems, designer watches and necklaces."
The sales associate "tried to stop a suspect who was smashing jewelry cases and taking jewelry." the Jewelers' Security Alliance reports.
Police said six men were involved in the crime.
Over the past three months there have been more than a dozen cases.
He was allegedly captured on security video later pawning some of the jewelry at a local shop.
The victim was allegedly told she had to buy the gold to "avoid prosecution."
A group of 10 robbers entered Revel Jewelers at around 7 p.m. Wednesday.
Police described the merchandise taken as "high-end diamond jewelry."
Two of the instances have involved Rolex watches, and another involved a $6,000 necklace.
He proposed the "Yellow Rose" diamond as an investment opportunity to a client.
The crime happened at the Leaders of Tomorrow International Ministries church in the Canarsie neighborhood.
He was reportedly in critical condition at an area hospital.
He had been exhibiting at the International Gem & Jewelry Show.
Police warn residents to "keep your jewelry hidden."
Police describe the crime as "targeted."
The jeweler "had an extensive list of celebrity clients."
The crime happened at Pretty in Patina in Omaha, NE.
2 people were hit with hammers.
3 suspects were arrested.
Taken was a suitcase that contained rings, necklaces, watches and other items.
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