This is an amazing 18k yellow gold ring. The ring is centered with a lovely pear shape cabochon opal. The opal is accentuated by sparkling round cut diamonds that weigh approximately 1.75ct. The color of the diamonds is H-I with VS clarity. The top of the ring measures 26mm by 18mm. The ring is stamped 18K and weighs 9 grams. The ring is size 6 but it can be resized.