Market Intelligence, Gemology & Auction Insights.
Featured Posts
Four Sales, 125 New Records
The final days of March 2026 delivered a concentrated burst of auction activity across three contine...
Christie’s New York, March 19, 2026
The March 19, 2026 “Jewels Online” sale at Christie's New York offered a clear and timely snapshot o...
Colored Stone Auction Trends 2024–2025
The 2024–2025 colored stone auction cycle has continued and in several ways intensified a trend that...
The Pink Star Diamond
On April 4, 2017, Sotheby's Hong Kong offered a diamond that had no real precedent in auction histor...
The Sunrise Ruby
On May 12, 2015, Sotheby's Geneva offered a gemstone that would redefine the market for rubies world...
Recent Posts
The Graff Vivid Yellow Diamond
On May 14, 2014, Christie's Geneva offered one of the most visually imposing diamonds ever to appear...
Precious Stones as Alternative Investments
The question of whether precious gemstones constitute a legitimate asset class — or merely a collect...
The Hope Diamond
The Hope Diamond is arguably the most famous gemstone in the world — not for having sold at auction ...
Spinels — The Royal Gems in Disguise
Few gemstones carry a more ironic history than spinel. For centuries, the finest red spinels were cl...
Alexandrite
Among the rarest and most scientifically fascinating gemstones known to mineralogy, alexandrite occu...
Paraíba Tourmalines
In the history of gemstone discoveries, few have transformed a market as rapidly and completely as t...
Helping teams in the world with focus
Download The ThemeLorem ipsum dolor sit sed dmi amet, consectetur adipiscing. Cdo tellus, sed condimentum volutpat.