cutting-polishing

Sotheby’s is taking an exceptional 15.10 carat fancy vivid blue diamond on a world tour, with a pre-sale estimate of $48 million.

The world’s largest cut diamond, a 555.55 carat fancy black named has a new owner and a new name. Purchased by Richard Heart, founder of cryptocurrency company HEX, the diamond’s name will change from The Enigma to the HEX.com diamond.

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.

With an increasing number of Responsible Jewellery Council (RJC) members electing to carry both natural and lab grown gemstone products, the RJC has decided to develop a ‘Laboratory Grown Materials Standard.’

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.

Under store spotlights one princess can sizzle with electric white scintillation, while a second princess boils with big, colorful flashes. Others fall somewhere between. Why the differences? The secret is revealed within.

IGI recently graded this incredible 5.00 carat Fancy Intense Orangy Pink Lab Grown Diamond Cross from FireDiamonds. 5.00 carat Fancy […]

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.

The Responsible Jewellery Council and World Diamond Council have signed mutual codes of conduct, entering a partnership to advance and strengthen key United Nations’ initiatives on responsible practices and sustainability.

How do you define diamond quality? We value diamonds according to the 4Cs but the sticker price doesn’t necessarily reflect quality. What are the fundamental reasons people cherish diamonds? What makes diamonds “great”?

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.

The enormous 46.7 carat pink rough diamond recovered at the Lulo Diamond Project in Angola earlier this year has been cut and polished into three diamonds, the largest of which is a Fancy Intense Orangy Pink heart-shape.

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.

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.

A well-organized compilation of 10 beautiful Graff creations, splendidly set to music. Settle in for 13 minutes and 13 seconds of glorious, uplifting creations from the masters at Graff.

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.

The Ebelyakh mine in Yakutia has yielded a number of remarkable colored diamonds in the past several years, including this newcomer. A 236 carat yellow-brown crystal which is the largest colored rough diamond ever extracted in Russia.

RESOLVE, an early pioneer in the area of environmental conflict resolution, and the Diamond Development Initiative (DDI), responsible for facilitating more efficient, formal and environmentally responsible approaches in the African diamond mining sector, will integrate their programs to strengthen their efforts going forward.

Several years ago industry giant DeBeers went on-record with plans to go carbon-neutral at some of its mines by 2022. Now nine of DeBeers’ sightholder-producers are pledging to work toward the same goal of carbon-neutrality.