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A pile of rough diamonds of various colors.
Article
Robust Demand Brings Increased Rough Diamond Sales

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.

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A large blue pear shaped diamond hangs from a colorless and pink diamond.
Article
Rockefeller and Fancy Blues Highlight Spring 2018 Auctions

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

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Bursts of yellow and purple radiate throughout this round cut amertrine.
Article
Colorblocking: The Art and Fashion of Multicolor Gemstones

The fashion trend of colorblocking can be found in the artistic combinations of color in multicolor gemstones known for their color zoning or banding.

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Cartier ruby and diamond necklace once owned by Hollywood actress Elizabeth Taylor.
Article
Exhibition Review: Cartier: The Exhibition

A review of Cartier: The Exhibition at the National Gallery of Australia in Canberra.

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Book Review: Women Jewellery Designers
Article
Book Review: Women Jewellery Designers

Review of Women Jewellery Designers by Juliet Weir-de La Rochefoucauld.

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Show attendees at registration booths.
Article
JCK Las Vegas 2018: Demand Improves, But Attendance Declines

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

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Clear, blue and pink synthetic diamond jewelry is displayed around and on pink boxes.
Article
De Beers’ Synthetic Shock Draws Mixed Reactions at 2018 JCK

Retailers had mixed reactions to De Beers’ announcement that it would offer a low-priced line of synthetic diamond jewelry, called Lightbox.

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5.01 ct pinkish orange CVD synthetic diamond
Large Pinkish Orange CVD Synthetic Diamond

A combination of size, color, and clarity made this the most remarkable CVD synthetic diamond GIA has tested so far.

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Iridescent arrowhead needles
Article
Characterization of Blue Sapphires from the Mogok Stone Tract, Mandalay Region, Burma (Myanmar)

The Mogok Stone Tract of central Myanmar (Burma) is one of the world’s most famed sources of colored stones, particularly ruby, sapphire, and spinel.

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Man in a hard hat sits in an underground emerald mine.
Article
Geologist’s Newest Mission: Share the Love of Colored Gemstones

African-born colored stone specialist visits America and changes his life forever; finding love, earning GG and starting a new career.

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