A 555.55 carat diamond, recorded in the Guinness World Records as the largest polished black diamond in existence, will be offered at a single-lot auction at Sotheby’s early next month. The online sale will be without reserve, and cryptocurrency will be accepted as payment.
As lab grown producers continue to sharpen their skills we are seeing quality advancements in many areas, including fancy colors. This video compilation features a visual buffet of lab grown diamonds, recently submitted to IGI North America for grading.
IGI is offering interactive online lessons on a variety of topics, from introductory 4Cs training on diamonds and gemstones to comprehensive education about lab grown diamonds to timely lessons covering the significant and vital benefits the natural diamond industry brings to millions of indigenous people in the upstream value chain.
The Responsible Jewelry Council, now approaching 1,500 members, released its latest progress report along with a joint video on sustainability, featuring leaders in the global diamond, jewelry and watch industry citing collective action as an accelerant for positive change.
The start of their spectacular ride actually started 10 months ago, in August 2020. Since then, ALROSA's steady upwards journey reflects a worldwide return to diamonds and jewelry in all sectors from mining and tenders, to polishing, distribution and sales.
Feast your eyes on this 100.94 Carat D Color, Internally Flawless masterpiece. The "Spectacle" diamond has been declared the largest ever polished in Russia and will be sold at the Christie's Magnificent Jewels auction in Geneva on May 12.
If you know anything about diamonds it's probably the 4 Cs - Cut, Clarity, Color, and Carat Weight. There's plenty of information about the 4Cs which can be found online and learned in conversations with professionals and enthusiasts, but prioritizing them is not always easy. Here are my suggestions.
IGI North America President Avi Levy is one of 10 new members appointed. Founded Diamonds in 2007, Diamonds Do Good's mission is supporting programs that develop and empower people in countries with significant economic dependence on the natural diamond trade.
Different 1.00 carat diamonds can look different sizes. This is because we typically view diamonds from a single direction: Above. Imagine cooking a 1 pound meatball and a 1 pound pancake. On your scale they weigh the same. But the meatball's weight is distributed in a deeper geometry.
Hearts & Arrows (H&A) diamonds are precisely cut to show kaleidoscopic patterns when seen in a special reflective viewer. Typically associated with Excellent-Ideal cuts of superior quality, fashioning the highest levels of H&A optical precision when working with the world's hardest substance is an exacting process.
Tiffany & Co. has announced a program detailing the provenance of the diamonds they sell, beginning with country and mine of origin. The New-York based jeweler plans to share this "Full Craftsmanship Journey" for every newly-sourced diamond of 0.18 carats or more.