【德国】Money Investment: Investing in Gemstones? Beware of the Marilyn Monroe Effect
Editor’s NoteThis article explores the risks and considerations of investing in gemstones, highlighting the “Marilyn Monroe Effect” as a cautionary…
Precious Stones
【Geneva, Swit】World’s Largest White Diamond Auctioned for €17.8 Million in Minutes
Editor’s NoteThis article previews the auction of “The Rock,” a record-setting 228.31-carat pear-shaped diamond hailed by experts as a rare and…
【Geneva, Swit】In Switzerland: The Largest White Diamond Ever to be Auctioned
Editor’s NoteThis article previews the upcoming auction of “The Rock,” a 228.31-carat diamond estimated to fetch $20–30 million. If you are…
【Hong Kong】World’s Largest Blue Diamond Auctioned for 54 Million Euros
Editor’s NoteThe world’s largest blue diamond, the De Beers Cullinan Blue, has shattered expectations at a Sotheby’s auction in Hong Kong, selling…
【法国】Which Countries Are Diamond Producers?
Editor’s NoteThis article traces the shifting geography of diamond production, from its ancient origins in India to the modern centers of extraction…
【Quebec, Cana】Hidden Treasures: The Precious and Semi-Precious Stones of Quebec
Editor’s NoteThis article explores the fascinating geological and historical origins behind the phrase “As false as a Canadian diamond,” tracing it…
【Mauritius】Two Centuries of Gold and Diamonds at Adamas!
Editor’s NoteThis article highlights the expansion of a historic jeweler in the Indian Ocean, showcasing its new boutiques, museum, and deep-rooted…
【Horana, Sri 】World’s Largest Sapphire Weighs 310 Kilograms
Editor’s NoteThis article describes the unveiling in Sri Lanka of what is believed to be the world’s largest natural blue sapphire, a 310-kilogram…
【Horana, Sri 】310 Kilograms: The World’s Largest Sapphire Discovered in Sri Lanka (Video)
Editor’s NoteThis article reports on Sri Lanka’s unveiling of a colossal 310-kilogram blue sapphire, claimed to be the world’s largest, with an…
【Paris, Franc】Jewelry: Behind the Scenes at the French Gemmology Laboratory that Certifies Precious Stones
Editor’s NoteThis article highlights the French Gemmology Laboratory (LFG), the world’s oldest gemmology lab. Founded in 1929, it remains the only…