Canada Falls, Synthetics Rise, and the Diamond Market Splits in Two: Jon Phillips and...

"It’s been a tough few years in the natural diamond market," notes Jon Phillips, "seriously challenged by synthetics, lower demand and shrinking supply." "How will...

Gems on Mars? Rubies, Opals and the Hottest New Gem from Jezero Crater

Martian Rocks: Corundum. Chromium. Opal. Chalcedony. Quartz. And now natural glass formed by meteorite impacts. ◈ 'Very Unexpected'NASA Rover Zapped a Rock on Mars And Found...

In Memoriam: Manuel Marcial de Gomar: How One Gem Defined a Life

Manuel Marcial de GomarSeptember 13, 1935 — July 23, 2026 The emerald community lost one of its longtime ambassadors on July 23 with the passing...

United States Patent Office: Process for the Manufacture of Artificial Pearls

◈ We continue with our ongoing series of gem-related patents dating back more than a century,uncovered and shared by William “Bill” D. Hoefer Jr., GG...

GIA and Gübelin Gem Lab Confirm New Source of Copper-Bearing Tourmaline from Ethiopia

Independent research documents material from newly reported source of paraíba tourmaline Press ReleaseCARLSBAD, Calif. and LUCERNE, Switzerland – August 27, 2026 –  Researchers at GIA (Gemological...

OBJECTIVE DIAMOND CLARITY GRADING: We Think We’re Being Subjective, but Our Brain is Doing...

Diamond clarity grading has always been considered subjective. An experienced grader looks at a diamond and says, “That looks like a solid SI₁ to...

Schmuckmuseum Pforzheim Presents “Silver Lining” – Diamonds, Gemstones and the Changing Role of Silver

Three exhibitions are now on view at the Schmuckmuseum Pforzheim in Pforzheim, Germany. They remind us of what silver has done for jewelry —...

Royal Treasures Take Center Stage in Lisbon

Crowns, tiaras, historic gemstones and royal jewels come together at Lisbon's Royal Treasure Museum forTREASURES 2026, November 13–14. The Royal Treasure Museum in Lisbon, Portugal,...

De Beers: How Did We Go From $39 Billion to $1 Billion? The Answer...

For the past two+ years, the headlines have come quickly. A $39 billion takeover bid for Anglo American by BHP. Anglo American puts De Beers...

Van Cleef & Arpels Revisits Egyptian Revival at Vienna’s MAK Museum (and in its...

This summer, Van Cleef & Arpels reminds us how "ordinary" gem materials can be transformed into extraordinary jewels. Lapis lazuli. Turquoise. Coral. Black onyx....

GemGuide Updates Old European Diamond Prices

GemGuide has updated its Old European-cut diamond prices, decreasing them across all sizes. The revised prices are available now in the GemGuide Pricing App...

Musée Lalique Robbery: $5 Million Heist Targets René Lalique Masterpieces

French museum confirms one of its signature Art Nouveau jewels among 27 works stolen during an eleven-minute robbery. The thieves were inside the Musée Lalique...