Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Structure in a healing fissure in topaz from Brazil
Inclusions of hematite in aquamarine, Tanzania
Two-phase inclusions in sapphire, Sri Lanka
Inclusion of apatite in ruby from Tanzania
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light

Trade Fair Calendar 2026

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.