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Mariel Olenski

Mariel Olenski is a Specialist in fine jewelry for Bonhams. Starting her career in the diamond supply chain, Mariel became highly skilled at diamond grading through working for her third-generation family business in diamond wholesale. After honing her skills in the Australian market, Mariel moved to the United Kingdom to explore gemmology further and worked in myriad capacities for global jewelry companies, most notably, Graff Diamonds. At Graff, Mariel sat at the intersection of merchandising and production for the company's 54 retail stores world-wide. After living in London for five years, Mariel moved to Copenhagen where she diversified her entrepreneurial and commercial acumen by working for a global fine jewelry ecommerce start-up as the resident jewelry expert. In that role, Mariel authored dozens of educational feature articles for the website concerning diamonds, gems and metals, also staging live weekly interviews with established jewelry designers.

Mariel is a Fellow of the Gemmological Association of Great Britain where she obtained the Association's Diamond Diploma (DGA) and has also received her Diploma in Polished Diamonds from the International Gemmological Institute Antwerp.