Join us at the Bangkok Gems & Jewelry Fair to explore a diverse range of gemstones, jewelry and industry solutions from leading Thai and international suppliers. Discover tools, components and machinery for the trade, and attend GIA seminars on pearls and diamond fluorescence.

Join us at HKTDC Hong Kong to explore the latest from GIA, including instrument demonstrations, tools to support your business, education, on-site laboratory services, colored stone grading services, and more. Plus, don’t miss our Immersive Pearl Experience Corner at GIA’s main booth at HKCEC!

GIA and Gübelin Gem Lab Researchers confirm new source of paraiba tourmaline

CARLSBAD, Calif. and LUCERNE, Switzerland – August 27, 2026 – Researchers at GIA (Gemological Institute of America) and the Gübelin Gem Lab independently examined copper-bearing tourmaline from a newly reported source in Ethiopia.

Examination of a green-blue apatite reveals goethite in a surface-reaching fracture.

A summary of the findings at the 2026 Tucson gem shows.

Iridescent thin films in aquamarine resemble fireworks in the night sky.

Todd Wacks exhibits his exceptional graduated suite of 65 matched color-change pyrope garnets from Morogoro, Tanzania.

A diamond’s cloud and crystal inclusions create a unique scene.

A variety of colors and effects were observed in “gold sheen” sapphire from eastern Kenya.

A cluster of needle inclusions in a pyrope-almandine garnet is reminiscent of a comet’s tail.

An update on the global pearl market from vendors at the Tucson gem shows.

A natural nacreous pearl from the Mytiloidea superfamily displays a visual effect suggestive of a meteor shower.

Calcitic crystals on the surface of a pen pearl display a play-of-color phenomenon under fiber-optic illumination.

Jewelry designer Samira Mazloom draws awareness to endangered species with her unique “Fading Footprints” collection.

Patterns observed in a color-treated purple diamond reveal details about its growth history.

Examination of a natural pearl reveals a cavity formation with thread-like filaments.

Eleux Jewelry offers unique pieces pairing hardstones such as agate and turquoise with diamonds and other precious gems.

A vivid orangy yellow rough diamond displaying penetration twinning is examined in the Carlsbad laboratory.