Tariffs Squeeze Moonstone Trade: 50% India Tariffs are Affecting Business Right Now
Having just returned from California, where GIA’s Symposium and AGS’s Conclave joined forces as CONVERGE, we had an opportunity to visit with Manu Nichani...
CGH Opens 5th Annual Fundraiser alongside MJSA’s Responsibly Sourced Design Challenge!
Columbia Gem House (CGH) has launched its fifth annual online fundraising raffle, "Opals for Outback Heroes," inspired by — and directly benefiting — the...
GAA’s Certificate in Opal Studies: A Complete Education in the World of Opal
The Gemmological Association of Australia (GAA) has taken a giant leap this year with the launch of its Certificate in Opal Studies—its first comprehensive,...
GemGuide Pricing Update: Sapphire Charts in September/October Show Notable Changes
The September/October 2025 issue of the GemGuide from Gemworld International features several helpful changes to the sapphire pricing charts, now also available in the...
U.S. Tariffs on India Hit 50%: 25% Now, 25% MORE by the End of...
As you are probably fully aware by now, the United States has moved to impose steep tariffs on Indian goods, escalating trade tensions and...
And the Winners Are… Winners of the $30,000 AUSTRALIAN OPAL AWARDS 2025!
Celebrating Australia’s National Gemstone
Since 2000, the Australian Opal Awards have showcased the creativity and skill of jewelry designers and gemstone artisans who work with...
Ruby & Sapphire from Winza: Columbia Gem House Announces New Acquisition
Columbia Gem House Announces New Acquisition of Untreated Sapphires and Rubies from Tanzania
Columbia Gem House (CGH), the gem cutting and wholesale supply house based...
Four Color Highlights & One Old Mine Cut from Heritage’s Upcoming Fall Fine Jewelry...
Heritage Auctions’ September 29 Fall Fine Jewelry Signature® Sale is still a few weeks away, but four loose gems and a mounted diamond are...
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...
Planning a Trip to Sri Lanka? The Tourist VAT Refund Counter was just re-Opened!
Thanks to the Sri Lanka Gem & Jewellery Association (SLGJA), working with the National Gem & Jewellery Authority (NGJA), the Ministry of Industries, and...
AGTA Continues the Fight in Washington: Gem Imports Still at Risk of Tariffs
Here in the U.S, colored gemstones are at the center of a very real political battle.
On April 2, 2025, the U.S. government announced sweeping...
Mogok Under Attack: Myanmar’s Legendary Ruby-Mining Town Becomes the Latest Flashpoint in the Civil...
Following numerous posts on social media, we see that Mogok—Myanmar’s legendary gem mining region—has been under attack for several weeks now.
According to the latest...
