About STG Diamonds
Leo Cameron
Award-Winning Jewelry Designer & Certified Gemmologist
Leonardo (Leo) Cameron is the founder and lead designer of STG DIAMONDS, specializing in custom engagement rings, fine jewelry, and exceptional diamonds and gemstones.
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Recognition
Award-Winning Designer
Credential
Certified Gemmologist
Experience
11+ Years Design
Toronto
By Appointment Only
Design Philosophy
With 5+ years of experience in the jewelry industry and over a decade in fashion design, Leo brings a unique artistic perspective that combines creativity, technical expertise, and exceptional craftsmanship.
His background in fashion design has helped shape his eye for detail, proportion, and aesthetics, allowing him to create jewelry that is both unique and deeply personal.
Leo works closely with each client, transforming ideas into one-of-a-kind pieces that celebrate life's most meaningful moments.
Diamonds & Gemstones
STG DIAMONDS specializes in both natural and lab-grown diamonds, as well as a wide range of natural and lab-created gemstones, providing clients with exceptional quality, value, and flexibility to suit their individual preferences and budgets.
Industry Connections
Committed to continuous growth and staying at the forefront of the industry, Leo regularly attends leading international jewelry trade shows, including JCK Las Vegas, JIS Fall Show, and JA New York Show.
These events provide opportunities to connect directly with some of the world's leading diamond dealers, gemstone suppliers, jewelry manufacturers, and equipment providers, ensuring access to the latest innovations, sourcing opportunities, and design trends.
This ongoing industry involvement allows Leo to offer clients exceptional quality, competitive pricing, and the latest design concepts.
Awards & Credentials
In recognition of his creativity and dedication to excellence, Leo was honoured with the 2026 Best Jewellery Designer Award by Canadian Jeweller Magazine.
He is also a Certified Gemmologist, with expertise in diamond and gemstone evaluation, custom jewelry design, and fine jewelry manufacturing.
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Ready To Create Something Extraordinary?
Through STG DIAMONDS, Leo is committed to delivering outstanding craftsmanship, personalized service, and jewelry that is treasured for generations.
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