Two-phase inclusions in sapphire, Sri Lanka
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Colour zoning in ruby from Mong-Shu, Burma
Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Structure in a healing fissure in topaz from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

Trade Fair Calendar 2026

May 7–10

GemGenève – Genf

International fair for gemstones, jewelry and design.

May 27 – June 1

JCK Luxury Show – Las Vegas

Exclusive trade show dedicated to high-end and luxury jewelry.

Jun 16–19

EPHJ – Genf

Leading trade fair for high-precision technologies suppliers.

Jun 18–21

Jewellery & Gem Asia – Hongkong

Major Asian trade fair dedicated to jewelry and gemstones.

Jun 27–28

Mineral & Gem – Sainte-Marie-aux-Mines

International fair for minerals, gemstones and jewelry.

Aug 16–18

Ornaris – Zürich / Bern

Switzerland’s largest international consumer goods trade fair featuring jewelry and accessories exhibitors.

Aug 28–30

Inova Collection – Hofheim-Wallau

International professional trade fair for jewelry, watches and accessories.

Sep 4–8

Vicenzaoro September – Vicenza

Autumn edition of Vicenzaoro focusing on innovation, design and sustainability.

Sep 8–12

Bangkok Gems & Jewelry Fair – Bangkok

Thailand’s international gemstone and jewelry trade fair.

Sep 17–21

Jewellery & Gem World Hong Kong

Major Asian trade fair dedicated to jewelry and gemstones.