Eighth Annual Gianmaria Buccellati Foundation Award Winner

A graduate of GIA’s Jewelry Design program in London is the recipient of the 2024 Gianmaria Buccellati Foundation Award.

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Wearable Art Jewelry Supporting Families in Guatemala

Chick Boss, a small jewelry business based in Guatemala, gives back to the community.

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Gems Keep Giving

The nonprofit organization Gems Keep Giving aims to improve global small-scale mining and gem-cutting communities.

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Rare Faceted Väyrynenite

Uniquely saturated examples of the collector stone were on display at GJX.

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Quarterly Crystal: Fluorite in Quartz from China

A large transparent colorless quartz crystal from the Yaogangxian mine plays host to numerous fluorite inclusions.

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Paraíba Tourmaline Melee: An Entry-Level Market Perspective

A look at Paraíba tourmaline melee, which offers a more accessible price point for consumers.

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Lepidolite in Copper-Bearing Tourmaline

A prismatic colorless lepidolite crystal is observed in a copper-bearing tourmaline.

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Gem-Quality Spinel from Southern Malawi

Parcels of rough spinel recently mined in Malawi were offered at the AGTA show.

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Evil Eye in a Flux-Healed Mong Hsu Ruby

The mirror reflection of a flux-healed fissure from a step pavilion facet in a Mong Hsu ruby creates an interesting inclusion scene.

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Update on Montana’s Rock Creek Sapphire

Potentate Mining expands its mining operation and hosts the first Montana sapphire tender in Bangkok.

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Irreversible Photochromism in Synthetic Sapphire

The first documented case of corundum with irreversible photochromism encountered at GIA.

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Devitrified Glass “Pom-Poms” in Ruby

Devitrified glass inclusions resembling pom-poms or sea urchins are observed in a clarity-enhanced ruby.

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Phenomenal Gems

A look at the most popular phenomenal gems exhibited at the 2025 Tucson gem shows.

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Rock Crystal Quartz Skull

A remarkable skull carved from quartz crystals mined in Arkansas is submitted to the Carlsbad laboratory.

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Kyanite in Quartz

Eye-visible kyanite inclusions give this 7.83 ct quartz its light blue color.

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Natural Non-Nacreous Pearls from Various Marine Mollusks

The Bangkok laboratory studies 35 loose non-nacreous pearls from a wide range of marine mollusk species.

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New Deposit of Pezzottaite from Madagascar

A highly saturated purplish pink to red pezzottaite from a new deposit in Madagascar is encountered in Tucson and tested by GIA researchers.

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Spiral Patterns on a Non-Nacreous Pearl

A 6.79 ct orange pearl displays a fascinating spiral pattern.

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Enormous South Sea Cultured Pearl with Filled and Partially Hollow Structure

Examination of a gigantic South Sea bead cultured pearl reveals an intriguing internal structure.

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“Bubble Obsidian” from Armenia

An exhibitor at the 22nd Street show offers an unusual type of obsidian from Armenia.

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