Poster abstracts on “Colored Stones and Pearls” from GIA’s 2018 International Gemological Symposium.

Abstracts of speaker presentations from the “Gem Characterization” session of GIA’s 2018 International Gemological Symposium.

Poster abstracts on “Gem Characterization” from GIA’s 2018 International Gemological Symposium.

An overview of the content from the Fall 2018 issue of Gems & Gemology.

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.

Alumni chapter leader wants to help develop Mexico’s third-most populous city into a thriving jewelry design and manufacturing hub.

The future will be robust for those in the diamond and gemstone industry who can adapt quickly to change in both consumer preferences and technology.

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

Alrosa, the once-aloof Russian diamond producer, is asserting itself into the world diamond market.

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

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

Beads are an undeniable staple of personal adornment around the world. Discover how they cut across political, socio-economic and cultural boundaries.

秋季，大自然赐予我们色彩亮丽的变色树叶，还有缤纷落日照射形成的绚丽万花筒。

Retail sales of diamond jewelry worldwide totaled an estimated US $77.5 billion in 2017, up from $74.6 billion in 2016, according to a survey by Tacy/Pharos Beam Consulting.

The first known group of color-change gem-quality chrome grossular garnet, reportedly from Ethiopia, is examined in GIA’s Carlsbad lab.

Projects developed by the GemHub to benefit miners, cutters, and others involved in the gem and jewelry industry.

A transparent greenish blue pear-shaped gemstone, reportedly from Madagascar, is discovered to be a Maxixe-type beryl.

Gold: Vortex, Virtues, and Values was hosted by Initiatives in Art and Culture (IAC) at Bohemian National Hall in New York City, April 12–13. Now in its eighth year, the conference has become an annual industry gathering for those looking to evaluate the market, discover exceptional work, and discuss key gold-related issues.

A jade bracelet contains unusual fillers, used to create a smooth surface.

aser confocal microscopy, a very reliable method of revealing surface micro-features, is used on an HPHT synthetic diamond to reveal growth structures.