Mastercard released its annual SpendingPulse report last week, which gives estimates on holiday retail sales across various categories. The credit card company said jewelry sales, which includes sales of both fine and costume pieces, were up about 4 percent over last year.
New York—Did you spend last week in an eggnog-induced haze? If so, catch up on the holiday week news with these five stories.

1. Jewelry Sales Were Up 3.7% Over Holidays, Mastercard Says
According to Mastercard’s SpendingPulse report, overall holiday retail sales rose 5 percent.

2. Jessica Biales Has a Fun New Signet Collaboration
The designer’s popular signet style has gotten a makeover courtesy of Rowing Blazers.

3. Another Heavyweight Joins De Beers’ Blockchain
Chinese retailer and manufacturer Chow Tai Fook is taking part in the Tracr pilot.

4. 5 Developments That Shaped the Colored Stone Sector in 2018
Senior Editor Brecken Branstrator reviews the top technology, activities and trends in colored gemstones this year.

5. De Beers Tenth Cycle Sales Rebound
The diamond miner reported provisional sales of $540 million, a 19 percent increase over last year.

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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.