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...
Tiaras Fit for a Queen… Created for an Exhibition
When Her Majesty Queen Mary recently visited Gavnø Castle in Denmark, she wasn't there to admire the Danish Crown Jewels.
Instead, she came to explore...
In Memoriam: Professor Mimi Ou Yang (1933–2026)
The international gemological community has lost one of its great educators, researchers, and pioneers with the passing of Professor Mimi Ou Yang Chiu Mei,...
A Munsteiner Cut – Unheated Tanzanite
Philipp Munsteiner - Unheated Tanzanite - Munsteiner Cut
This magnificent gem weighs 122.50 carats.
The original weight of the rough was 75 grams (375 carats).
Philipp spent...
Sotheby’s New York Fine Watches Auction — A Quick Peek
The mid-June New York Fine Watches auction at Sotheby's featured several gem-set timepieces that caught our attention, from a demantoid-encrusted brooch watch, an ultra-thin...
India is Still Looking for Diamonds – and Found 5! (Don’t get too excited)
Two hundred tonnes of rock and sediment. Five rough diamonds. Just 1.22 carats.
5, but really only 2This was the result of recent bulk-sample testing...
When Price Becomes Secondary to Availability: Why GemGuide Changed the Way it Prices Burmese...
For decades, gemstone pricing guides have operated on a simple assumption... If enough material exists in the marketplace, researchers can observe transactions, compare qualities,...

























