Answers and education from from IGI Worldwide

Three Fancy Vivid ‘Rock Stars’ sold by Christie’s
Photo credit: Christie's

Three Fancy Vivid ‘Rock Stars’ sold by Christie’s

"The Perfect Palette," a trio of fancy vivid colored diamonds sold in separate lots at Christie’s New York Magnificent Jewels auction, amassed a total of $8.4 million, cumulatively, after their gavels had fallen.

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See Metal I.D. Performed on an Antique Etruscan Necklace

Recently the IGI Lab in Shanghai received an antique Etruscan revival style necklace from the mid to late 19th century. When the necklace was submitted, IGI gemologists immediately understood the reason it was sent for identification: It seemed to weigh less than it should and, therefore, was suspected to be made of gilt copper, rather than gold.

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IGI Labs are World’s First with ISO Accreditation for Lab-Grown and Natural Diamonds

The International Organization for Standardization (ISO), the world's largest developer of voluntary international standards, has certified IGI with the ISO 17025 accreditation for lab-grown diamonds, making IGI's laboratories the world's first to hold ISO accreditation for both natural and lab-grown diamonds.

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IGI celebrates Pantone’s Color Of The Year in Gemstones
Photo credit: Van Cleef & Arpels

IGI celebrates Pantone’s Color Of The Year in Gemstones

Pantone, the international color authority, previously announced its Colors of the Year. Gemologists from IGI Shanghai have provided images and information celebrating 2021's vibrant color: Illuminating Yellow.

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Flawless purple pink Sakura could bring $25-38 million at auction
Photo credit: Christies.com

Flawless purple pink Sakura could bring $25-38 million at auction

Natural pink diamonds are extremely rare. When discovered, only one in 10 weighs more than 0.20 carats. This year, as the annual cherry blossom season hits its peak, the 15.81 carat flawless, fancy vivid purple-pink Sakura Diamond will be the star of Christie's Hong Kong’s Magnificent Jewels sale.

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Rough Diamond Sales Surge into April
Photo credit: Lucapa

Rough Diamond Sales Surge into April

April's birthstone is diamond and her majesty, Diamond, the queen of gemstones, is having a scintillating 2021 so far. Record setting prices, climbing volume and exceptional stone sales all reflect the enduring value of diamonds.

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The Final Four Fabrications from IGI’s Jewelry Design Contest

The last four designs, of more than two dozen brought to life by IGI for the final round of the IGI JEWEL Jewelry Design Contest. There were 700 submissions in the contest's inaugural year.

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The Classic Chameleon Diamond
Photo credit: Chopard

The Classic Chameleon Diamond

Gemologists from IGI Shanghai recently provided images and information regarding one of nature's rare and stunning wonders, the chameleon diamond.

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IDEX covers IGI’s First Ever Diamond Commodity
Image credit: IDEX

IDEX covers IGI’s First Ever Diamond Commodity

IDEX was among the first jewelry industry news outlets to cover IGI's unprecedented partnership with Diamond Standard, an entity which has received regulatory approval to offer the world's only market traded diamond commodity - the Diamond Standard Coin.

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RJC and WDC join forces on Sustainability and Sourcing
Photo credit: Ave Calver on Unsplash

RJC and WDC join forces on Sustainability and Sourcing

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.

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