Impressions and reactions from IGI Worldwide
Van Cleef & Arpels combined an exceptional rough diamond with state of the art planning and inspiring jewelry design to create 25 stunning mystery set pieces, all with diamonds cut from the same rough stone.
Van Cleef & Arpels combined an exceptional rough diamond with state of the art planning and inspiring jewelry design to create 25 stunning mystery set pieces, all with diamonds cut from the same rough stone.
Representatives from more than 300 independent jewelry stores around the United States gathered at the Convention Center in Minneapolis, Minnesota last weekend for the biannual Retail Jewelers Organization (RJO) Show.
Van Cleef & Arpels combined an exceptional rough diamond with state of the art planning and inspiring jewelry design to create 25 pieces, all with diamonds cut from the same rough stone.
Van Cleef & Arpels combined an exceptional rough diamond with state of the art planning and inspiring jewelry design to create 25 pieces, all with diamonds cut from the same rough stone.
As people across America celebrate their Independence Day, we'd like to celebrate these distinctive diamonds in Fancy Red, White and Vivid Blue. Each one appeared separately in IGI GemBlog posts during the past year. Today we'll revisit them together.
Diamonds de Canada (DdC) has been awarded the Polar Bear Diamond™ license, allowing them to bring the iconic trademark back into the market with a renewed look and feel.
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.
Join BIJOUXreview.com's Kyle Roderick, Mercury Free Mining's Toby Pomeroy and IGI's John Pollard for a discussion on environmental concerns, social responsibility and traceability in the diamond gem and jewelry industry.
IGI Education Director John Pollard will join Rob Bates, Tanya Nisguretsky and Marty Hurwitz to present "The State of Lab Grown Diamond Industry" this Thursday. Rather than the usual "pro/con" arguments, the panel will address evolving new topics including melee, the implications of patent expirations and paradigm shifts in planning and cutting.
IGI recently graded 27.27 carat, 20.24 carat and 15.16 carat lab grown diamonds produced by Greenlab Diamonds LLP as part of their "sustainable and affordable luxury" project. The 27.27 and 20.24 carat gemstones are the largest polished lab grown diamonds ever produced.
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?'
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.
The Red Cross invests 93.5% of dollars they spend on people in need and, according to Christie's, a “significant” cut of the $11 million dollars this diamond is expected to bring in on May 11 will, again, be donated to its namesake organization.
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.
Fancy colored diamonds are very rare to find in nature. They represent less than 0.01% of diamonds mined in the world - or, about 1 in 10,000. Furthermore, nature produces some colors with far more frequency than others, so a diamond transmitting your favorite color might be, literally, 1 in a million.
The Zoe Report (TZR), one of BDG's brands which collectively reach over 100 million readers per month, recently cited input from IGI on sustainability in the diamond and jewelry industry.
Gold and gemstone prospectors work the streets of New York's illustrious diamond district, but you might not recognize them at first. Kneeling, gloved, scraping and brushing, they could be mistaken for pedantic street cleaners but don't be fooled. Historically some Big Apple prospectors have claimed over $300 per day in "paydirt."