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Emerald

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

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Color

Highly saturated green color defines high quality emerald.

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Beveled corners

Emerald cuts have concentric parallel rows of facets and beveled corners.

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“jardin,” or garden.

Eye visible inclusions create an internal scene referred to as “jardin,” or garden.

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Six-sided

Emerald crystals are commonly six-sided.

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Flat-top

The tops of emerald crystals are typically rather flat.

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Color direction

The best color is usually perpendicular to the top of the crystal.

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Tools

Research

A pile of near-colorless HPHT synthetic melee
Article
Diamond Market Forecast: Declining Credit, Soft Prices and Lab-Grown Diamonds

Despite the generally strong year for jewelry retail, the diamond industry continues to face problems with credit, spotty demand and soft prices.

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Gilson cat’s-eye synthetic emerald
Gilson Cat’s-Eye Synthetic Emerald

This Gilson synthetic emerald was of particular interest for its chatoyancy, produced by a network of primary flux inclusions.

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Emerald filled with epoxy resin
Emeralds Filled with Epoxy Resin: DiamondView Observations

“Blue flashes” seen with the DiamondView help to analyze the quantity and variety of emerald-filling substances.

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This Zambian emerald displays a highly saturated green color
Natural Emerald with Inclusions Along Three Directions

Guild Gem Laboratories examines a 10.48 ct sugarloaf emerald for identification and origin determination.

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Discussion panel on country of origin
Second World Emerald Symposium

Important topics such as sustainability, blockchain, nanotechnology, and traceability were discussed at the second World Emerald Symposium held in Bogotá.

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Shoppers walk in a mall past a Chow Tai Fook jewelry store.
Article
Season’s Sales: US Up 4% to 5%, But China Continues to Lag

The U.S. holiday season saw strong sales, but China continues to struggle. Plus: diamond market report and lab-grown diamond sales.

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A large pear shaped yellow diamond hangs from a black cord and lies against red material.
Article
US Holiday Season Opens Well, Despite Volatile Markets

The U.S. holiday shopping season is looking positive, despite signs that an economic slowdown may be coming in 2019. Plus, more auction sales records.

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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

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.

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Three loops of diamond ribbons form a bow around a ruby framed by more diamonds.
Article
National Retail Federation Predicts a Cheery Holiday

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

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Crowds of people on the trade show floor.
Article
Typhoon, Trade Wars and Currency Lows Dampen Hong Kong Shows

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

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