Martin Sosna

About

Martin Sosna is the Co-Founder and CEO of Sosna Gems Investments Inc., a U.S.-based global investment company specializing in certified natural gemstones, diamonds, and investment-grade jewelry. Under his leadership, the company has built a fully integrated investment ecosystem connecting sourcing, certification (GIA, IGI, HRD), institutional security, insured storage, global sales infrastructure, and long-term asset appreciation. With more than 25 years of experience in natural gemstones, Martin developed a vertically integrated model operating across the USA, EU, and Asia — including sourcing, pre-certification analysis, certification through GIA/IGI/HRD laboratories, institutional vault storage (Brink’s Miami), global insurance (Lloyd’s/Chubb), and asset segregation through J.P. Morgan. This structure enables a scalable B2C/B2B network across the USA, EU, and GCC regions. Under his leadership, the company introduced a disciplined 90/10 allocation model—90% into certified natural a

Investment Focus

Location

Miami, US