Antique Style Oval Sapphire Diamond Ring in 18k.  The filigree work on this antique style cocktail ring is astonishing! Beautiful 18 karat white gold is woven throughout holding a .29 carat oval sapphire and .18 carats of round brilliant cut accent diamonds. The sapphire is set inside an amazing mounting with open space around it that really highlights the color and wonder of the stone. The accent diamonds in the outer section bring even more attention to the wonderful sapphire in the center.