education

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.

The easing of COVID-19 restrictions, combined with growth in online shopping, has seen a steady rise in diamond jewelry sales across the USA and China. This marks several months of improvement across a broad spectrum of shoppers.

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.”

Anglo American is reporting that DeBeers’ rough diamond sales during the eighth cycle of 2020 brought in $467 million USD. Not only is this is a significant surge over 2020’s seventh cycle, which brought in $334 million, it’s a noteworthy increase of 57% over the $297 million realized during the same cycle in 2019.

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.

We are pleased to announce a new, elevated design for our identification and grading reports. This design update comes 45 years after our first Diamond report was issued in Antwerp, Belgium, in 1975.

Can we call them the Blues Brothers? Individually weighing 25.75 carats, 21.25 carats, 17.57 carats, 11.42 carats and 9.61 carats, Petra Diamonds reports that these spectacular siblings were assessed to be individual stones, not originally part of a larger diamond.

Another independent analysis has concluded that IGI’s loose diamond grading ranks among the world’s strictest. In an independent comparison of dual-certified diamonds IGI’s color grading was stricter than that of GIA in a majority of cases, with clarity the same or stricter in most cases, as well.

ALROSA reported more than $20 million in revenue generated by special-size rough diamond auctions in Belgium and Israel this month. The diamonds were sold to clients from Belgium, India, Israel and United Arab Emirates.

An exceptionally rare, clear diamond “the size of a lollipop” is being offered without reserve at auction by Sotheby’s. According to the auction house, an item of this historic importance and value has never been offered with no-reserve before.

The Argyle Diamond Mine in the remote east Kimberley region of Western Australia is scheduled to close by the end of 2020 following nearly forty years of production. “One Lifetime, One Encounter” is an auction event, offering a collection of the rarest diamonds extracted there over a year’s production.

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.

This 10+ carat HPHT produced lab-grown diamond was initially graded Fancy Intense Yellow by IGI. When it returned to the lab its color had been changed to Fancy Vivid Pink. IGI confirmed that the color had been shifted from yellow to pink through irradiation using a 5MeV Electron Beam Transfer system.

Last year, Hong Kong based Coronet, a division of Aaron Shum Jewelry, set the Guinness World Record for most diamonds set on a watch at Baselworld, with “Mudan,” adorned with an astonishing 15,858 diamonds weighing 50.01 carats.

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.

“IGI Is Holding a Jewelry Design Contest And It’s Free to Enter,” declares the headline of National Jeweler’s coverage of IGI’s “Collision and Fusion” Jewelry Design Contest. Fashion Editor Ashley Davis provides a concise overview in her article and, importantly, reiterates the event’s fundamental premise.

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.

No matter if I am Black, Crystal, White, Fire, Water or in a Matrix, depending on the basic color and in a decreasing progression of red, violet, orange, yellow, green, blue, indigo… The title of Noble Opal is the one that I deserved and I still deserve.

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.