Buchon Gold Blue Sapphire Ring set with ~0.75 carat (6x4mm) emerald cut Blue sapphire. Crown dimensions: 6.3mm height x 4.3mm width x 3.5mm depth Band dimensions: 1.4mm width x 1.5mm thick International ring size conversion chart link . For custom size, specify details in the order notes. Blog: Learn More About Clarity and Why It Matters in Blue Sapphires
