No Clock Too Big To Repair We just completed a repair project on the monster clock in the Priatek Plaza building in downtown St. Petersburg, FL. The original giant clock was installed when the building was completed in 1990. Wear … Continue reading →
Rolex Says: Scarcity Is Not A Strategy Article shared from JCKOnline.com September 30, 2021 As Rolex watches have become harder and harder to get—and have led to mile-long waitlists and spiraling prices on the secondary market—the Swiss timepiece giant has … Continue reading →
RJC Developing Standard For Lab-Grown Materials News from JCKOnline.com In our earlier article, What Is The Difference Between Lab vs. Natural Diamonds? we talked about how to distinguish between the two types of diamonds, but until today there has been … Continue reading →
Maggi Simpkins Has a Million-Dollar Ring in Sotheby’s Sale Article Credit: Amy Elliott of JCK Online The highly anticipated Brilliant and Black: A Jewelry Renaissance selling exhibition kicks off at Sotheby’s New York this Friday, and one of the headline … Continue reading →
Blue Diamonds Have a Surprising Deep Origin and a Link to Ancient Oceans This is an extended abstract of the article ‘Blue boron-bearing diamonds from Earth’s lower mantle,’ published in the journal Nature. GIA Research Scientist Evan Smith is the … Continue reading →
Three Birthstones for August According to the American Gem Society, August is one of three birth months represented by three different gemstones. In 2016, August joined June and December as one of the three birth months represented by three different … Continue reading →
Scientists Just Created a New “Glass” That’s Tougher Than Diamond It could create bulletproof windows that’s 20 to 100 times tougher than current versions. Source material By Chris Young Aug 10, 2021 (Updated: Aug 10, 2021 15:58 EDT) A team … Continue reading →
Russia Seeks to Quadruple Alexandrite Production Alexandrite is often called ’emerald by day and ruby by night.’ ALEXANDRITE IS ONE of the rarest and most expensive gemstones on the planet. During an average year, worldwide production is barely 40 kilograms … Continue reading →
39-Carat Blue Diamond Found In Africa CLASSIFIED AS “EXCEPTIONAL” for both its color and clarity, a 39.34-carat blue diamond recently recovered at the celebrated Cullinan mine in South Africa is likely to yield upwards of $1 million per carat when … Continue reading →
What is likely the third largest piece of gem-quality rough ever unearthed—weighing 1,098 cts.—was recently unearthed at the Jwaneng mine in Botswana. Article courtesy of JCK contributor Rob Bates So far, the only gemstones found that are bigger are the … Continue reading →
