SERVICES

JEWELLERY & GEMSTONES

TECHNICAL EXPERTISE, MARKET INTELLIGENCE AND A CULTIVATED EYE

With in-depth market knowledge and technical fluency — from mine to market — we offer tailored consultancy services for brands, collectors, and institutions across the global jewellery ecosystem. Navigating the craft and commerce of jewels & gems, our work blends strategic insight with refined connoisseurship to guide projects of lasting cultural and commercial value.

Specialised Expertise

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Certified Gemologist

GIA-trained in diamonds and coloured stones, with hands-on knowledge of gemstone authentication, cutting, and valuation.

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Market experience & industry insight

Proven track record across international retail, wholesale and auction markets – from bespoke creations to heritage collections.

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trusted global network

Strong relationships with ateliers, cutters, dealers and top jewellery maisons worldwide.

Core Services

Gemstones & Jewellery

Sourcing & Traceability

Access to rare gemstones and fine jewellery through trusted global networks, backed by gemmological expertise and deep market insight.

Product Development

Sales & Relevance

Strategic support in designing and positioning collections that reflect your brand identity and resonate with evolving client expectations.

Vintage & Collectibles

Provenance & Authenticity

Advisory on the acquisition, curation and showcasing of historic jewels – including auction representation, fair participation, and private sales facilitation.

“Luxury is the most intimate form of sculpture.”

Anish Kapoor

“Jewellery is not just about adornment, it is the memory of emotion shaped into matter.”

Joel Arthur Rosenthal

Get in touch

Location

Geneva, Switzerland

Email

js@jessicasilli.com