The Lab Grown Diamond Vanguard Square SolitaireThe Vanguard Square Solitaire is the epitome of contemporary power and minimalist design, crafted from a substantial, highly polished white gold band that asserts a commanding presence. The central focus is a brilliant princess cut diamond, which is expertly set flush into the metal with a clean, structural bezel setting, creating a sophisticated tension between the diamond's sharp, square geometry and the band's wide, smooth flanks. This seamless,