3.50 Star Sapphire Flower Cocktail Ring 18kThis flower cocktail ring features a 3. 50 carat oval cabochon star sapphire at its center. The sapphire displays the rare asterism effecta six rayed star that glides across the surface when light hits it. Forty eight (48) round brilliant cut diamonds form a pave halo around the center stone, totaling . 58 carats. The flower motif creates dimension with petal like segments radiating from the sapphire. Set in polished 18 karat yellow gold with a smooth