Our Team
At Sargisons, our team of expert jewellers, gemologists and registered valuers create bespoke jewellery in Hobart, Tasmania.
With decades of combined experience, we specialize in handcrafted engagement rings, wedding bands and custom made pieces, using responsibly sourced diamonds, gemstones and precious metals.
As a family-run workshop, we are committed to traditional craftsmanship, thoughtful design, and creating jewellery that is made to last for generations.
Charles Wyatt
Director · Jeweller · Certified Diamond Grader · Qualified Gemologist (F.G.A.A.)
Charles Wyatt is a manufacturing jeweller with 20+ years experience and fine arts graduate with a BA in Jewellery Design from RMIT. Based in Hobart, Tasmania, he began working at Sargisons as a teenager, learning from his mother, Beth. After studying and travelling, Charles returned to the family workshop, where he specializes in custom jewellery and bespoke engagement rings, with a strong focus on gemstones and traditional hand making techniques.
Gavin Cowell
Director · Jeweller · Qualified Gemologist · Registered Valuer · Certified Diamond Grader (F.G.A.A.)
With over 40 years of experience, Gavin Cowell is a highly skilled jeweller, gemologist, and registered valuer. Working from Hobart, Tasmania, he brings extensive expertise to the design and manufacture of custom jewellery and bespoke engagement rings, as well as professional jewellery valuations. Gavin is known for his precision, knowledge, and trusted industry reputation.
Isabel Newell
Jeweller · Qualified Gemologist (F.G.A.A.) · Registered Valuer
With a decade of experience, Isabel Newell is a highly accomplished jeweller holding a Certificate III in Jewellery Manufacturing, a Diploma in Gemmology, and an Advanced Diploma in Applied Gemmology. She placed second in the 2022 WorldSkills Australia competition and combines traditional handcrafting with modern CAD.
Specializing in bespoke pieces inspired by organic forms, Isabel draws on her passion for the Tasmanian wilderness and fossicking to source rare, colourful gemstones. With a strong background in diamond and gemstone grading and a talent for design-led problem solving, she creates one-of-a-kind pieces that are both technically refined and visually striking.
Daisy Pilkington
Jeweller
Daisy Pilkington is a qualified jeweller based in Hobart, Tasmania. Since joining Sargisons in 2021, she has developed her skills working across the workshop, contributing to the making and finishing of custom jewellery and bespoke engagement rings. Daisy brings care, precision, and a strong attention to detail to every piece.
Rhys De Franceschi
Jeweller
Rhys studied Jewellery Design at Charles Sturt University and has over 7 years of experience in the jewellery industry. Joining Sargisons in 2024, he brings a passion for where science meets art, creating finely crafted pieces that combine technical precision with inspired design.
Adrianne Daley
Jeweller
Adrianne is our newest jeweller, currently undertaking her apprenticeship and already an integral part of the workshop. She brings a thoughtful, detail-oriented approach to her work and is steadily developing her skills across both traditional techniques and modern processes, with a genuine passion for the craft.
