Rocks Everlasting Collection 9ct Yellow Gold Ring with Sapphire & Diamond Half Eternity. Alternating stones creates a subtle yet unique ring that would be perfect for ring stacking or wearing on it's own for understated everyday chic. Sapphire is the brithstone of Septemebr so this would be a perfect gift for the Septemebr babies. Sapphire Carat Weight: 0.20ct