This is a fabulous 18k white gold ring. The ring is centered with lovely cabochon opal. The center stone is accentuated by sparkling round cut diamonds and French sapphires that weigh approximately0.60ct and 1.00ct respectively. The color of the diamonds is G with VS clarity. The top of the ring measures 20.5mm by 18mm. The ring is stamped 18K and weighs 8.5 grams. The ring is size 7 but it can be resized.