Online Shop › David Yurman Smoky Quartz Ring in Sterling Silver & 18K Gold (Preowned) - 7ym1175 Image 1 of 2 Image 2 of 2 David Yurman Smoky Quartz Ring in Sterling Silver & 18K Gold (Preowned) - 7ym1175 $450.00 Preowned.David Yurman Smoky Quartz Ring in Sterling Silver & 18K Gold. Add To Cart Added! Preowned.David Yurman Smoky Quartz Ring in Sterling Silver & 18K Gold.