Most diamond dealers stop offering diamonds above 10 carats. STIG GROUP holds larger stones directly in stock — a rare offering in the market.
A single stone from a dealer, or structured ownership through STIG ROCK? An objective comparison covering documentation, storage, and ongoing management.
Real ownership of GIA-certified diamonds, secured by a purchase contract, invoice, and certified storage. Here's how the STIG ROCK system works from entry to management.
Cut, Color, Clarity, Carat — the 4 Cs determine a diamond's quality and value. Here's how the GIA grades them and why the certificate matters when buying.
The Kimberley Process is the international standard against conflict diamonds. Here's how it works and how STIG GROUP applies it across the entire supply chain.