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...
LMHC Agrees on Colour Stability Testing, “Cobalt Spinel,” Tanzanite, as well as “Fei Cui”
Getting seven of the world's leading gem labs to agree on anything is no small task. Yet for nearly 25 years, the Laboratory Manual...
Ethical Gem Fair NYC (Brooklyn) 2025
Time & Location
Oct 09-11, 2025, 10:00 AM - 5:00 PM EDTHosted by Brooklyn Metal Works, 640 Dean St, Brooklyn, NY 11238
About the event
The Ethical...
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...
Hyperion, the Inclusion Search Engine… Provided by Lotus Gemology
The Hyperion image database is a searchable inclusion library, offering nearly 1,800 photomicrographs from the Lotus Gemology laboratory in Bangkok, indexed by gem type,...
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...
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...
Fabergé: From Imperial Jewels to a Private Equity Portfolio? What is Happening with Fabergé?
Gemfields has sold its iconic brand Fabergé to SMG Capital for $50 million.
Fabergé, once synonymous with the pinnacle of gemstone and jewelry artistry–the crown...
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...
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...
