Online Shop › David Yurman Sterling Silver Agate Ring, Size 10 (Preowned) - 7ym1047 Image 1 of 2 Image 2 of 2 David Yurman Sterling Silver Agate Ring, Size 10 (Preowned) - 7ym1047 $525.00 Preowned.David Yurman Sterling Silver Agate Ring, Size 10. Add To Cart Added! Preowned.David Yurman Sterling Silver Agate Ring, Size 10.