18kt bicolor gold ring with blue sapphire. The sapphire is diamond cut and is set by mean of four couples of prongs. The diameter of the stone is 4.2 mm, and its weight is 0.41 ct. The colour of the stone in the photos may appear different than reality, due to lighting, magnification, and quality of the screen. Colored gemstone are often treated to improve colour or clarity. This was not examined for this specific item. The weight of the ring is approx. 4.90 gr. The size is 52 (16.5 mm diameter; 12 Italian size). The marks are “750”, and the code number of the factory. New. Made in Italy. Box and guarantee included. Shipping via express courier. Concerning all the customer’s duties, please refer to Catawiki’s “terms and conditions”. Ref. 745L