Lucara's Karowe Diamond Mine in Botswana just produced one of the five largest diamonds ever found, continuing a series of noteworthy diamond recoveries on those premises.
Following a similar benchmark set three months ago, IGI Hong Kong recently certified the largest laboratory-grown diamond received to date. With a finished weight of 12.75 carats, this collection-quality man-made gemstone was fashioned from a staggering 46.20 carat CVD-grown rough crystal
Where do you start seeing color in diamonds? Can you see the difference between F and H color? Can you see the difference between D and E color? In full context those answers will become diamond-specific.
In just 20 days this 14.83 carat Fancy Vivid Purple-Pink diamond will find a new home, when it's offered via live auction by Sotheby's Geneva. The auction house estimates this incredibly rare find could command up to $38 million.
Rob Bates is a highly regarded diamond and jewelry industry journalist. Now, drawing on his wealth of knowledge and experience involving the worldwide trade of gemstones and jewelry, Rob has created a fun, fictional work... A mystery novel entitled "A Murder Is Forever."
A private, anonymous collector bidding by phone from Japan is the new owner of the first high-value item of its kind ever offered "without reserve" by Sotheby's. Originally a 271 carat rough diamond unearthed in 2018 at the Victor Mine in Ontario, Canada, it was cut into this 102.39 carat D Flawless oval shape by Diacore.
Today we turn our attention to the optical phenomenon of iridescence, that is the display of dispersive prismatic colors caused by the interference of light - generally due to thin films of gas or liquid - like Iridescent Quartz, Iridescent Agate and Ammolite.
DeBeers has launched an initiative titled ReSet; a series of collaborations with jewelry designers spotlighting the positive impact of natural diamonds and stimulating conversations about sustainability.
Kevin Kinard visited Crater of Diamonds State Park regularly for more than 25 years, but never found a diamond until Labor Day 2020. Now he has the distinction of discovering the second largest diamond to ever come from the popular Arkansas tourist site, at just over nine carats.
Earlier this month IGI received two large HPHT-produced lab-grown diamonds for analysis and grading. One of those stones has become the Guinness World Record Holder for the largest black lab-grown diamond in history.