Rio Tinto discovers exceptional yellow diamond from its Diavik Diamond Mine
Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from its Diavik Diamond Mine.
The 158.20 carat rough diamond...
Sotheby’s Diamond Extravaganza: Showcase in Abu Dhabi
Sotheby’s hosted an exhibition in Abu Dhabi (9–10 April 2025) featuring a remarkable selection of colored diamonds, including one of the most significant blue...
AGTA Proactive on Tariff Concerns: Gemstone Association Communicating with Congress
In the past two weeks, we have heard from the American Gem Trade Association's CEO John Ford and president Bruce Bridges regarding U.S. tariffs,...
GIA Announces a Tariff Work-Around: Overseas Labs Accepting Larger Diamonds for Grading
In response to logistics challenges related to recently announced tariffs affecting global shipments of gemstones, GIA (Gemological Institute of America) will temporarily expand services...
How Much Are the Crown Jewels Worth—And Who Owns Them Now?
The British crown jewels are worth even more money than you might imagine. Here's who inherited these treasures, along with Queen Elizabeth II's private...
Reminder: Beware Color Instability in Irradiated Ruby, Sapphire, & esp. “Padparadscha”
On Monday, March 24, 2025, CIBJO, The World Jewellery Confederation, sent out a joint press release alerting members of the trade regarding an uptick...
Photomicrography: Images from Within
Photomicrography: Images from Within
Images by Sammantha Maclachlan
Sammantha Maclachlan FGA DGA FIRV MJVA AJP PJDIP CPAA - JVA Registered Valuer®️
Winner of the Gordon Ness trophy...
Malawi – Nyasa Times: Exporters Furious, Demand End to Export Ban!
Furious gemstone exporters demand immediate end to "reckless" export ban, threaten action.
Malawi's gemstone exporters have issued a scathing ultimatum to the government, demanding the...
The Hong Kong Jewels Auction: Philips
The March 27 Hong Kong Jewels auction at Phillips Auction House is taking place as we are finishing up the details of our report!...
India’s Perfect Storm: High Gold Price, High Dollar Value, Weak Rupee = the Destruction...
In a recent short feature in the Times of India, the price of gold, coupled with other global stress, gem-set jewelry is "on hold"...
A Promising Look at Pakistan’s Gemstone Industry: Four features – Three Views!
RGNR - Over the past few weeks, we’ve been pleased to discover four short and positive feature stories about Pakistan’s gemstone industry. We’re sharing...
A Few Notable Pieces Coming Up at Auction: Sotheby’s, Christie’s, Heritage, and More
Auctions offer a fantastic opportunity to study and appreciate jewelry from the past, whether it’s a specific era from the late 1800s or early...
