The range of blues in this beauty are so unique. With a deep blue, nearly navy stream throughout. Blue Diamond turquoise is from the Earth of Nevada USA.Set in fine and sterling silver with a double half round sterling silver shank. Size 8.5Most of our rings can be sized up one whole size please inquire if you need your ring a little bigger. Please Note // due to its natural quality turquoise may change color when exposed to elements like sun, water, oils,Lotions, hand sanitizer, etc.Insured First Class shipping included with purchase.