Conclave 2026

Geographic origin and traceability are at the front of everyone's mind in the gem and jewelry industry. Everyone would love to know where all of their gemstones were sourced and by whom. Unfortunately, it takes a huge amount of research to develop new origin services, and so most gem labs limit origin determination to a small number of important stones. Over the last 10 years, GIA has been scientifically investigating several new materials, and over the last year, has launched 4 new origin services for jade, opal, demantoid, and peridot. This lecture will lay out the scientific basis for geographic origin determination and discuss the research that goes into developing a new origin service.

Generative AI is moving quickly from a novelty tool for inspiration toward a practical part of the jewelry design workflow. This session explores how today’s AI platforms are being used to create more realistic jewelry concepts, test material and proportion accuracy, and support the development of 3D design assets. We will look at where these tools are already helping retailers communicate ideas more effectively with clients, as well as where they still fall short of true manufacturing readiness. Attendees will leave with a clearer sense of what AI can do today, what is still hype, and how to evaluate these tools without compromising the craftsmanship, trust, and artistry at the heart of fine jewelry.

Fluorescence remains one of the most discussed – and often misunderstood – properties in diamond grading. While strong market opinions persist, the scientific and visual realities are more nuanced. In this 45-minute presentation, Dr. Mike Breeding examines fluorescence through three lenses: history, research, and observable appearance. Drawing on recent advances in imaging and measurement technology, a GIA research team has quantitatively characterized the relationship between blue fluorescence intensity and its effects on table-down color, face-up color, brightness, and transparency under controlled illumination. The session will also address the distinction between fluorescence-related contrast effects and transparency reduction caused by structural light scattering. By separating perception from measurable optical behavior, this research aims to reduce long-standing confusion and provide a scientific foundation for informed discussion of diamond fluorescence.