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Fancy Color Diamond

Dazzling brilliance. Captivating color. The planet’s most valued gems are fancy color diamonds.

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A large piece of rough, left, with a portion cut out of it, and six cut and polished diamonds produced from the cut out piece of rough.

Article

Chipping Away at 1,109 ct Lesedi La Rona

Russell Shor, November 13, 2018

Graff reveals the first polished diamonds produced from the Lesedi La Rona, one of the largest pieces of rough ever mined. Plus, other market news.

Three loops of diamond ribbons form a bow around a ruby framed by more diamonds.

Article

National Retail Federation Predicts a Cheery Holiday

Russell Shor, October 22, 2018

The building blocks are in place for a strong 2018 U.S. holiday season. Plus, diamond market updates and upcoming auctions.

Crowds of people on the trade show floor.

Article

Typhoon, Trade Wars and Currency Lows Dampen Hong Kong Shows

Russell Shor, September 24, 2018

Business at the September Hong Kong Gem and Jewellery Shows was spotty, despite a strong world economy. Buyers left early to avoid Typhoon Mangkhut.

Parallel bands of green color at room temperature.

Uncommon Parallel Color Zoning in a Chameleon Diamond

Hollie McBride, August 9, 2018

A diamond examined in the Carlsbad lab shows chameleon coloring in an unusual pattern.

A pile of rough diamonds of various colors.

Article

Robust Demand Brings Increased Rough Diamond Sales

Russell Shor, July 23, 2018

Demand for diamonds has been good so far this year. Rough sales have increased and large diamonds are being mined. Plus: Online sales tax changes.

A large blue pear shaped diamond hangs from a colorless and pink diamond.

Article

Rockefeller and Fancy Blues Highlight Spring 2018 Auctions

Russell Shor, July 20, 2018

Rockefeller jewels and fancy blue diamonds are the stars of the spring 2018 auction season.

Article

JCK Las Vegas 2018: Demand Improves, But Attendance Declines

Russell Shor, June 15, 2018

Jewelry designers, manufacturers and diamond dealers generally saw steady, if still somewhat cautious, business.

A large piece of rough diamond sits on some rocks.

Article

2018: A Good Year for Finding Mega-Diamonds

Russell Shor, May 21, 2018

The three diamond mining companies that specialize in digging up large stones have found some really big ones during the first quarter of the year.

This fancy deep green-blue diamond was treated in a multi-step process.

Irradiated and Annealed Blue Type Ia Diamond

Wenqing Huang, Xuguang Jin, Wei Cai, and Guanghai Shi, May 11, 2018

Examination shows that a diamond was subjected to a multi-step process in order to introduce a blue color.

Article

2017 Auction Roundup: Pink and Blue Fancy Colored Diamonds Still Rule

Russell Shor, January 19, 2018

Buyers may have been discerning, but more than $1.1 billion worth of extreme top-end diamonds, colored gems and jewelry were sold at auction in 2017.

This Month's

Featured Gems

Peridot

Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.

Fancy Color Diamond

Dazzling brilliance. Captivating color. These are the planet’s most valued gems.

Diamond

Diamonds are among nature’s most precious and beautiful creations.

Emerald

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.

Citrine

Citrine is the transparent, pale yellow to brownish orange variety of quartz.

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Fancy Color Diamond

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Gemstones

Gemstones

Featured Gems

Peridot

Fancy Color Diamond

Diamond

Emerald

Citrine

Fancy Color Diamond

Research

Reviewed

Topics

Topics

Gemstones

Gemstones

Featured Gems

Peridot

Fancy Color Diamond

Diamond

Emerald

Citrine

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