925 Sterling Silver Hawaiian Blue Opal Cute Turtle Ring Made from high quality Sterling Silver (925) Total weight: 4.3gr. Available in size 7 (UK size N). Size of Turtle is 13/16" (20mm) by 7/16" (11mm). Gemstone is man-made Opal with 40% real Opal dust carefully compressed under high pressure to form these iridescent amazing stones. Color is Hawaiian blue. Color is Hawaiian blue. The inlay is car ...