Shop All Silver › Sterling Silver Ring with Large Moss Agate Size 6.5 Image 1 of 2 Image 2 of 2 Sterling Silver Ring with Large Moss Agate Size 6.5 $54.00 A handmade sterling silver ring made with a 5.5mm band and a large 10mm moss agate that catches the light beautifully. Purchase Added! A handmade sterling silver ring made with a 5.5mm band and a large 10mm moss agate that catches the light beautifully.