You will always be true blue wearing this striking diamond and sapphire ring set in 18K yellow gold. Centered with a bezel set cabochon cut blue sapphire that weighs approximately 4.00ct., the sapphire is accentuated by round cut diamonds that weigh approximately 1.85ct. The color of the diamonds is G with VS clarity. The ring is stamped K18 1.851 and weighs 12.1 grams. The ring is size 6 1/2 but it can be resized.