James Avery Rare Retired Sterling Silver Modernist Swirl Ring Size 10James Avery Rare Retired Sterling Silver Modernist Swirl Ring Size 10. RING FACE LENGTH X WIDTH – MILLIMETERS. MAIN STONE LENGTH X WIDTH – MILLIMETERS. TOTAL CARAT WEIGHT NON DIAMOND – APPROX. TOTAL CARAT WEIGHT DIAMOND – APPROX. ISSUES ABOVE NORMAL WEAR / NOTES..