By Brecken Branstrator
Tissot unveiled that champion motorcyclist Jorge Lorenzo is now a brand ambassador, joining a long list of athletes representing the brand, and Omi added industry veteran Adam Graham to the team to lead marketing and sales.

As Mother’s Day approaches, National Jeweler highlighted nine jewels perfect for the stylish mom and the National Retail Federation released results of its survey on consumer spending ahead of the holiday.

Meanwhile, in the diamond world, the Diamond Development Initiative launched its new set of standards for artisanally mined diamonds, RapNet now is listing stones with reports from two more grading labs and Lucapa announced that it found three more big diamonds at the Lulo mining site.

Relive the week as it was, in photos.

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National Jeweler

Fine Jewelry Industry News

Since 1906, National Jeweler has been the must-read news source for smart jewelry professionals--jewelry retailers, designers, buyers, manufacturers, and suppliers. From market analysis to emerging jewelry trends, we cover the important industry topics vital to the everyday success of jewelry professionals worldwide. National Jeweler delivers the most urgent jewelry news necessary for running your day-to-day jewelry business here, and via our daily e-newsletter, website and other specialty publications, such as "The State of the Majors." National Jeweler is published by Jewelers of America, the leading nonprofit jewelry association in the United States.