JEWELLERY & GEMSTONES

TECHNICAL AUTHORITY AND MARKET INSIGHT

I advise brands, collectors, and investors across the jewellery ecosystem — from sourcing exceptional gemstones to guiding product development and collection strategy. My approach combines technical expertise with market insight to ensure projects create lasting cultural and commercial value.

Core Expertise:

  • Gemstone sourcing and traceability

  • Product and collection development

  • Vintage and collectible advisory

  • Market positioning and investment guidance

I support projects that marry craftsmanship, connoisseurship, and strategic vision for enduring impact.

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.

Specialised Expertise

Certified Gemologist

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

Market experience & industry insight

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

trusted global network

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

"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

Location

Geneva, Switzerland

Email

js@jessicasilli.com

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