IGI has analyzed and graded a 30.18 carat emerald cut laboratory grown diamond, the world’s largest to date. Produced by Ethereal Green Diamond, LLP the 30.18 ct “Pride of India” is the first polished lab grown diamond to exceed 30 cts.
Handheld gemstone testers are commonly used to differentiate between diamond and diamond-simulants like CZ and moissanite. However, as diamond growing technology advances the technology used in those devices becomes more limited.
In the normal diamond color range 'Z' is classified as most tinted while 'D' is classified as most colorless. So what happened to A, B and C? Are they reserved for new diamond discoveries? Extraterrestrial diamonds? What could possibly be more colorless than most colorless? If there are 23 classifications why not start with 'A' and end with 'W?'
In 2020 Synova, introduced the "Da Vinci Diamond Factory," an automated system capable of transforming rough diamonds into fully polished round brilliants. Synova has continued to increase its range and recently made it possible for rough diamond scans, used by many entities, to be incorporated into its planning and execution.
Petra Diamonds, owner of the legendary Cullinan diamond mine, is looking to sell their Koffiefontein mine, a sister operation acquired from DeBeers' in 2007. Established in 1870, Koffiefontein is one of South Africa's oldest diamond mines, located just 50 miles south of Kimberley.
Round brilliant, cushion, and other shapes with depth are historically most popular because they're both aesthetically pleasing and economically practical. Flat shapes are not as common, which is why we wanted to spotlight these creative, rarely seen shapes.
A team of international researchers have discovered a fast-moving exoplanet, nearly 13 times larger than Earth, with vast clouds of liquid metal and corundum - the mineral which forms rubies and sapphires - blowing across the planet.
Most of Earth's diamonds formed billions of years ago, during the supercontinent cycle, as carbon fragments around 100 miles deep were crystallized by unimaginable forces of heat and pressure. But diamonds can also flash-form due to meteorite impact.
Creativity in diamond design continues to expand, thanks to the expanded possibilities offered by the CVD growth process. IGI recently graded another groundbreaking creation, an 8.96 carat Fancy Intense Green cannabis-inspired lab grown diamond.
The 2022 GEM Awards, presented by Jewelers of America, will take place in New York tomorrow night, marking the event's 20th anniversary. The black tie affair at Cipriani 42nd Street begins at 6:30 pm with a social hour followed by the GEM Awards dinner.
The legendary Mir Diamond Mine, built at the order of Joseph Stalin, had a surface operation which lasted 44 years. The recent discovery of an estimated 38 million carats of diamond reserves at Mir have now led to optimism from Mining giant Alrosa about its restoration and further development.
Martin Rapaport’s “State Of The Diamond Industry” Sunday breakfast is one of JCK’s best attended events. That trend continued in 2021 with a full ballroom at the Venetian Resort and hundreds watching via live stream.