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Largest Pink Diamond by Unique Lab Grown Diamond

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(PRESS RELEASE) Natural diamonds with intense pink-orange color are very rare, particularly in large sizes. GIA’s New York lab recently tested a pinkish orange CVD synthetic diamond, submitted by Unique Lab Grown Diamond Inc. in New York, that showed some outstanding gemological features.

This square cut weighed 5.01 ct (9.45 × 9.10 × 6.05 mm) and was color graded as Fancy Intense pinkish orange (figure 1). The color was distributed evenly throughout. A few small feathers and pinpoints were observable under the microscope at about 20× magnification, and the clarity was equivalent to SI1. Infrared absorption spectroscopy revealed this was a type IIa diamond, with nitrogen concentration below the instrument’s detection limit. A clear and sharp peak detected at 3123 cm–1 is a well-known specific feature of CVD synthetic diamond. The absorption spectrum in the UV-Vis region indicated that the observed bodycolor was caused by a very strong and broad absorption band around 520 nm (figure 2). This band can be introduced to a CVD diamond during its growth. It creates a color effect similar to the one from the ~550 nm band in natural pink diamonds. There is no report of the ~520 nm band being introduced to a CVD synthetic diamond after its initial growth. In photoluminescence spectroscopy, clear emissions at 737 nm from SiV– and 503 nm from the H3 defect were recorded. In addition, strong emissions at 575 and 637 nm from NV centers were detected. As a result, this synthetic diamond showed strong orange-red fluorescence in DiamondView imaging. Unlike other large CVD-grown diamonds, this diamond’s fluorescence images hardly revealed the multiple growth layers responsible for its significant thickness. Instead, the multiple growth layers with subtle boundaries could only be detected in high-resolution cathodoluminescence (CL) images.

Based on all spectroscopic features, we believe that this CVD synthetic diamond was not treated by HPHT annealing after its growth for color improvement, though heating to a moderate temperature could not be entirely ruled out. The combination of size, color, and clarity made this the most remarkable CVD synthetic diamond GIA has tested so far.


This CVD-grown diamond, weighing 5.01 ct and Fancy Intense pinkish orange in color,
stands out among all CVD synthetics GIA has tested so far. Photo by Jianxing (Jae) Liao.

 

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New York Jeweler Picks Wilkerson for Their GOB Sale

Jan Rose of Rose Jewelers, located in Long Island's famous Hamptons beach district, explains how she chose Wilkerson for her closing sale. Jan's suggestions: reach out to jewelers who have been in similar situations to find out what worked for them, and look for a company with experience in going-out-of-business sales. Once you've done that, the final step is to move ahead and trust the process.

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Press Releases

Chairman Elected for JSA Board

He is replacing Stewart Wicht of Rolex.

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Steven Kaiser

(PRESS RELEASE) NEW YORK – On Jan. 12, the Jewelers’ Security Alliance held its annual meeting and luncheon at the New York Yacht Club in New York for 170 supporters, law enforcement personnel and industry leaders. At the luncheon it was announced that Steven Kaiser of Kaiser Time had been elected chairperson of JSA for a three-year term, replacing Stewart Wicht of Rolex, who had completed his term.

John Kennedy, president of JSA , began the luncheon with a moment of silence for Helen Buck, who worked for JSA for 37 years and passed away in October 2018, and a moment of silence for the one jeweler who was killed in the U.S. in 2018 during a
robbery.

Kennedy said that in contrast to one jeweler killed in 2018, there were 37 U.S. jewelers killed in 1992, indicating a remarkable decline. He also said that in almost every year since 2000 the total dollar losses from crime against the U.S. jewelry industry hit new lows. He attributed this decline to a powerful War on Jewelry Crime that JSA has helped organize, encourage and promote, and which now includes a network of 3,000 law enforcement personnel and broad representation of the jewelry industry.

He stated that JSA’s network of over 21,000 industry members and supporters extended from the behemoths of the industry like Jewelers Mutual Insurance Co., GIA, JCK, Rolex and Signet, to manufacturers, chains, independents, security firms and mom-and-pop jewelers coast-to-coast.

Newly elected to the JSA Board was Alan Zimmer, CEO of Reeds Jewelers, a chain of 60 fine jewelry stores. Re-elected to three-year terms were: Patti Geo lat of the Geolat Cos.; Chris Hackler of Signet Jewelers; Mark Smelzer of JCK; and David Tearle of GIA. Continuing in their terms on the JSA Board are: Chad Berg of Lee Michaels Fine Jewelry; David Bonaparte of Jewelers of America; Marc Green of Lux, Bond & Green; Adam Heyman of Oscar Heyman & Bros.; David Sexton of Jewelers Mutual Insurance Co.; Mark Udell of London Jewelers; Stewart Wicht of Rolex; and Stanley Zale of Stuller.

At the luncheon, JSA presented the Annual Industry Service Award s to Michelle Graff, editor-in-chief of National Jeweler; and Rob Bates, news director of JCK.

Kennedy said that these two journalists had made a valuable contribution to the security of the jewelry industry by helping spread JSA’s information and advice to a wide audience.

JSA also presented the Annual James B. White Law Enforcement Awards to three officers with the Paramus, NJ, Police Department: Deputy Chief Robert M. Guidetti, Detective Lieutenant Frank Scott and Detective Nicholas Luciano. Kennedy stated that these officers had provided valuable service to the jewelry industry by investigating and arresting numerous suspects in over 100 crimes against jewelers totaling millions of dollars.

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GIA Alum Craig Danforth to Join Jewelers Mutual Team

He will work closely with the leadership team.

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Craig Danforth

(PRESS RELEASE) NEENAH, WI – Craig Selimotic Danforth will join the leadership team of Jewelers Mutual Insurance Group on Monday, January 28, assuming the role of vice president of client solutions.

Danforth has 25-plus years of sales, business development, marketing, training, and finance experience, most recently demonstrated as Director, Global Business and Development at the Gemological Institute of America (GIA).

“Craig’s experience in the industry makes him an ideal candidate for this role,” said Mike Alexander, senior vice president of commercial lines. “We will work together to enhance our current offerings and develop new opportunities to strengthen and grow the jewelry industry.”

As part of the Jewelers Mutual team, Danforth will work closely with the leadership team to shape the foundation, priorities, and vision of our key initiatives. His experiences at upcoming industry events and trade shows will offer Jewelers Mutual insights to further develop our core offerings and expand our emerging businesses.

Prior to his 10 years at GIA, Danforth held management roles at Cartier, David Yurman, and Ermenegildo Zegna.

Danforth completed his BA at Hamilton College, his MBA at ESSEC Business School in France, and has several diplomas from GIA including Graduate Diamonds, Graduate Pearls, and Accredited Jewelry Professional (AJP).

He is on the Board of Directors for the Women’s Jewelry Association (WJA), a member of Jewelers 24 Karat Club of Southern California, and also serves on the 24 Karat Club of Southeastern US’s scholarship committee.

Jewelers Mutual Insurance Group is seeking skilled and experienced employees to fill a variety of roles within the company. For a full list of employment opportunities, visit jewelersmutual.com/careers.

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Picchiotti Expands U.S. Team with Former Retail Executive Mark Mazzarese

He will help extend the Picchiotti presence across North America.

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                      Mark Mazzarese

(PRESS RELEASE) VALENZA, ITALY – Valenza based Italian jewelry brand Picchiotti is expanding its U.S. team effective February 1st with the addition of former retail executive Mark A. Mazzarese. Building upon the success of its patent-pending Xpandable Collection and its one-of-a-kind gemstone classics, Picchiotti will commence its 52nd year in business with the addition of a second U.S. sales representative. Mazzarese will join U.S. Chief Agent Barry Meyrowitz to help extend the Picchiotti presence across North America.

“My family and I are delighted to welcome Mark to the Picchiotti team,” says President and Founder Giuseppe Picchiotti. “His unique expertise and leadership skills, coupled with his lengthy experience in the fine jewelry industry, ensure that he will grow our business with the standard of excellence and customer service for which our brand is known.”

Mazzarese comes to Picchiotti with a life-long history of excellence and passion in the fine jewelry industry. A nationally recognized retail jewelry executive, he served as President of Mazzarese Fine Jewelry in Kansas City from 1998 to 2017. He has also served on the boards of such prestigious organizations as the FBI Citizens Academy and the Kansas City Zoo. He is a member of the Centurion Leadership Program of the Kansas City Chamber of Commerce and the Leawood Chamber of Commerce. Mark will bring a unique customer-service and retail-oriented approach to his work with Picchiotti and will take responsibility for the western portion of North America.

Mazzarese is a graduate of the University of Kansas and an alumnus of the Sigma Chi Fraternity.

For more information or to schedule an interview with Mazzarese or the Picchiottis, please contact Maria Carola Picchiotti (mariacarola@Picchiotti.it) or Luxury Brand Group (duvall@luxbrandgroup.com).

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