Rocks On: Spinel to ‘have its day’
In the November edition of Rocks On, National Jeweler examines the trends in supply, demand and pricing for this increasingly in demand gemstone, which can be red, blue, pink or purple.
Appointments: AGTA, William Noble, more
The AGTA’s new board of directors, a new sales associate at William Noble Rare Jewels and the first female vice president of a diamond exchange are among the industry’s recent career moves.
Production at Gemfields’ Kagem mine down slightly
Precious gemstone miner Gemfields reported Friday that production of emerald and beryl at its Kagem mine in Zambia hit 6.3 million carats in its third quarter, down from 6.5 million in the prior-year period.
NAJA schedules 2015 Tucson conference
The new laws surrounding ivory and the identification of CVD-grown diamonds are among the topics that will be covered at this year’s event.
Rocks On: Green garnets lead the way
While January’s birthstone is best known for being a deep red, it is the greens of tsavorite and demantoid that are most in demand today.
Researcher Thomas Hainschwang wins Bonanno award
The Accredited Gemologists Association has chosen Thomas Hainschwang, director of the GGTL Laboratories in Liechtenstein, as the recipient of the 2015 Antonio C. Bonanno Award for Excellence in Gemology.
Mining co. cuts world’s largest csarite
Milenyum Mining has discovered and faceted the largest known csarite in the world, a 121.65-carat pear-shaped stone that it expects to retail for close to $1 million.
What gemstone is the favorite among consumers?
Jewelry Television is asking the public to vote on their favorite gemstone to select the “Gem of the Year,” a promotion that gives the on-air retailer valuable insight into customer preferences.
Paraiba tourmaline ring wins Spectrum’s Best of Show
A platinum ring featuring a Paraiba tourmaline accented with French-cut diamonds by designer Leon Mege took home both the Best of Show award and top honors in the classical category at the American Gem Trade Association’s annual Spectrum Design competition.
GIA gets inside look at African emerald mine
On a recent trip to Zambia, field researchers with the Gemological Institute of America got a look at what has made the Gemfields emerald mining operations at the Kagem mine so successful.
Mikimoto unveils new global ad campaign
Mikimoto announced that it will launch its first global ad campaign in more than a decade this fall, coinciding with the launch of a redesigned website for the brand.
Gemfields expands into sapphires
Gemfields has entered into a joint venture with East West Gem Investment Limited in Sri Lanka to add sapphires to its portfolio of colored gemstones, which already includes emeralds and rubies.
Tanzanite Foundation to restructure
The Tanzanite Foundation recently announced that it would undergo a structural and operational reorganization effective this month to better align the nonprofit with the global tanzanite market and sightholder expectations.
Rocks On: Tanzanite comes into its own
In the second installment of Rocks On, National Jeweler takes a look at the current status of the tanzanite market and showcases 13 pieces of tanzanite jewelry.
Gemstone csarite now trademarked in US
Milenyum Mining announced that it has been granted two trademarks by the U.S. Patent and Trademark Office for csarite, the color-changing gemstone it mines in Turkey.
Inside the Csarite Mine of Turkey
High in the Anatolian mountains of Turkey is a mine that is the sole source for a gemstone trending among jewelry designers in search of something different.
Gemfields Aug. auction of emerald, beryl nets $16M
Gemfields recent auction of predominantly lower-quality rough emerald and beryl generated $15.5 million for the gemstone miner, the second-highest amount achieved at one of the miner’s lower-quality auctions.
CPAA raffling off trip to Tahitian pearl farm
The Cultured Pearl Association of America is in the midst of its second annual fundraising event, offering the chance to enter to win a trip to Tahiti to see the inner workings of a pearl farm.
Gem-A’s latest journal now available
The Gemmological Association of Great Britain (Gem-A) released the newest issue of The Journal of Gemmology Monday, covering the latest news and research in gemstones including new devices, reports from recent conferences and the characterization of collectors’ gemstones.
Rocks On: Pearls, fit for a new generation
In the first installment of Rocks On, a new feature highlighting a different colored gemstone each month, National Jeweler examines the resurging popularity of pearl jewelry, showcasing 16 designs with a modern twist.
Titanic jewelry among topics for Gem-A conference
The Gemmological Association of Great Britain has confirmed 13 speakers for its upcoming annual conference, which will include a presentation on the jewels recovered from the wreck of the famed RMS Titanic.
What the GIA research team learned in Brazil
The passion to find more Paraiba tourmaline at one mine is “contagious” while another is yielding pockets of high-quality emeralds. Read on to learn, and see, more from the GIA’s recent expedition to Brazil.
Gem-A’s annual conference returns to historic site
The Gemmological Association of Great Britain (Gem-A) will move its annual conference this year back to the former Royal Agricultural Hall in London, as it changes its program to make it more interactive for members.
CIBJO outlines pearl sustainability plan
At CIBJO’s recent Sustainable Pearls Forum, President Gaetano Cavalieri emphasized the need for a comprehensive approach to achieve sustainability in the cultured pearl sector, one that focuses on economic, environmental and social responsibility.
GSI 'Joy' boxes bring essentials to children
Gemological Science International has partnered with charitable organization Each One Teach One to launch the “Joy Box” campaign, which will provide children in Mumbai with essential daily items.
Gemfields’ first ruby auction nets $34M
Gemfields announced Wednesday that its first auction featuring high- and low-quality ruby and corundum from the Montepuez mine in Mozambique realized $33.5 million.
Gemstone collection notches 9 world records
The Ophir Collection, which contains 40 of the world’s largest minerals, holds Guinness World Records in nine categories, including the largest faceted sapphire, cut brown sapphire and cut serendibite.
AGA now accepting nominations for Bonanno award
The Accredited Gemologists Association is seeking nominations for its 2015 Antonio C. Bonanno Excellence in Gemology Award, which recognizes major contributions made in the field of gemology.
Chain of custody challenges for colored gems
Gemologist Edward Boehm details efforts being made worldwide to improve the lives of small-scale, or artisanal, colored gemstone miners, including a project he helped with in Madagascar.
Gemfields introduces pieces for the mid-market
Gemfields just announced that Select Jewelry Inc., a Queens, N.Y.-based jewelry design and manufacturing company, will distribute jewelry set with its gemstones to select specialty jewelers and big-box retailers in North America and Canada.
50 percent of lots sell for Gemfields in India
Colored gemstone miner Gemfields PLC announced that it sold half of the lots offered at its auction of traded rough emeralds held in Jaipur, with the sale totaling $13.5 million, a 59 percent increased as compared with the same sale last fall.
Gemfields production at Kagem mine falls 45 percent
Precious gemstone miner Gemfields reported Friday that production of emerald and beryl at its Kagem mine in Zambia was 3.6 million carats in the third quarter, down from 6.5 million carats in the prior-year period.
Rare mineral specimens to go up on the block
A number of mineral specimens from estate sources will be up for sale at Bonhams “Gems, Minerals, Lapidary Works of Art and Natural History” auction scheduled to take place on May 20 in Los Angeles.
Red Sox’s World Series rings are gem-laden
Boston Red Sox players received their 2013 World Series rings last Friday, which are set with 126 diamonds, 16 custom-cut sapphires and nine custom-cut rubies.
Gübelin Lab opens entry for research scholarship
The Gübelin Gem Lab is accepting applicants for its newly established Dr. Eduard Gübelin Research Scholarship, an annual grant that will be allocated to an innovative research project in the field of gemology.
Trends from Tucson: Cool colors dominate
The most in-demand stones and colors during the annual Tucson gem shows can set the tone for the year, or even years, to come. So, what was popular this year? Colors on the cooler end of the spectrum were one of the trends spotted at the shows.
For new campaign, Gemfields roughs it
Gemfields has a new advertising campaign and emerald-focused tome, and the colored gemstone miner celebrated both amid the snow Monday at the St. Regis Hotel in New York City.
JVC to hold compliance seminar in Tucson
The Jewelers Vigilance Committee will host a seminar at the AGTA GemFair in Tucson on Thursday to give an update on compliance topics relevant to jewelers and the industry at large.
AGL performing on-site testing in Tucson
American Gemological Laboratories (AGL) will conduct on-site testing of colored stones for identification, enhancement and origin at the upcoming American Gem Trade Association GemFair.
Fabergé brings scavenger-style egg hunt to NYC
This spring, Fabergé will introduce its Big Egg Hunt in the Big Apple, scattering almost 300 handcrafted eggs across the city and leading participants on a weeks-long scavenger hunt.
Designer Courtney brings csarite to the US
Designer Erica Courtney’s eponymous jewelry company has launched a new division that focuses on collectible and rare gemstones and as part of the launch will be the only authorized distributor of the gemstone csarite in the United States.
GIA enhances offerings at Tucson shows
The Gemological Institute of America has announced that it will offer special laboratory services, gem and jewelry seminars and classes during the annual gem shows next month.
GIA working with Bahrain on natural pearl research
The Gemological Institute of America announced Thursday that it is partnering with the Bahrain Ministry of Industry and Commerce and the Bahrain Economic Development Board to develop the country’s Gemstone and Pearl Testing Laboratory (GPTLB) into a leading research center for natural pearls.
AGTA to hold its first charity run in Tucson
The American Gem Trade Association (AGTA) has announced its first Coyote Classic 5K run, which will take place amid the GemFair events in Tucson next month in lieu of the golf tournament.
Spinel: The hot “new” gem with an ancient heritage
Spinels are growing in popularity but supply remains inconsistent, pushing prices skyward. Graduate Gemologist (G.G.) Edward Boehm advises buying them now, as prices only will continue to climb.
Physicist John Emmett named Bonanno Award winner
The Accredited Gemologists Association (AGA) has chosen Dr. John Emmett, who is considered the world’s foremost expert on corundum treatments, as the recipient of the 2014 Antonio C. Bonanno Award for Excellence in Gemology.
‘Live at the Bench’ sessions return to GemFair
MJSA again will sponsor “Live at the Bench” demonstrations at the 2014 American Gem Trade Association GemFair Tucson, scheduled for Feb. 4 to 9 at the Tucson Convention Center.
GIA research expedition nets 700-plus natural pearls
Gemological Institute of America (GIA) researchers from Thailand, along with representatives from the Paspaley Pearling Company, recently conducted an expedition to Australia’s wild pearl oyster beds that resulted in a number of successful natural pearl finds, the two organizations said.
Gemfields India auction hits price-per-carat high
Colored gemstone miner Gemfields PLC announced that its recent auction of traded rough emeralds held in Jaipur totaled $8.5 million. The sale also set a new price-per-carat record for the company.
TanzaniteOne names first Chinese sightholder
Chinese retailer Chow Tai Seng is now a TanzaniteOne sightholder, and will sell polished tanzanite stones through its 2,200 jewelry stores in the People’s Republic of China.