Item #: 40163 This is an authentic DAVID YURMAN Sterling Silver 17mm White Agate Diamond Ring 7. This stylish ring is made of sterling silver and has a 17mm faceted white agate stone surrounded by diamonds (approx .45ctw). This is an excellent ring, marvelous for an extra touch of chic for your wardrobe, from David Yurman! Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.