This is one of the prettiest, most elegant star necklaces we have ever had! It has .23 ctw of round, NATURAL diamonds outlining the perimeter of the star. They are small but very sparkly! The setting is solid 10k yellow gold. The star measures 3/4 inch in diameter and comes on an 18 inch long pendant chain also made of solid 10k yellow gold. Pendant and chain weigh 1.7 grams together. Please ask any questions before purchasing.