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 colored stone origin determination.

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.

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

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

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

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

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.

An unusually high abundance of magnetite in four distinctive crystal habits is observed in a Zambian emerald.

Microscopic examination of quartz reveals well-formed blue hexagonal prismatic crystals exhibiting moderate pleochroism.

A graduate of GIA’s Jewelry Design program in Carlsbad, California, is the recipient of the 2025 Gianmaria Buccellati Foundation Award.

Striking red cinnabar inclusions are observed in a quartz specimen from China.