Opals, Gemstones & Wine: Uncovering Value in Two Luxury Markets

Jason Blaiklock — Australian Opal Cutters
Jason Blaiklock is the CEO of Australian Opal Cutters, one of Sydney’s leading opal workshops specialising in sourcing, cutting, and crafting Australia’s most iconic gemstones. With extensive hands-on expertise in grading, valuation, and design, Jason brings the opal world to life through his cutting demonstrations and clear, practical teaching—making him one of the most accessible and knowledgeable voices in the Australian opal industry.

David Messum — Wine Valuer
David Messum is a Sydney-based wine valuer and winemaker with more than 15 years of industry experience. A WSET Diploma holder and certified member of the Australian Valuers Institute, he specialises in fine-wine valuation for legal, insurance, and investment purposes. His combined background in winemaking and valuation gives him a uniquely informed perspective on what truly shapes a wine’s value and provenance.

Event Details
This seminar provides 3 CPD points for the 2025–2026 period for all AVI members attending.