GIA certified, see certificate below, provided to buyer. New with tag and never worn, $1500 USD ($2000 CAD) value. This is a unique cabochon ring with a large 9.83CT natural tanzanite, marked 925 silver, size 9. Stone's details: cabochon cut, moderately included and strong, violetish blue color. Cut is very good. Ring weighs 7.9 grams. Certificate is signed and dated April 22nd, 2015 in Toronto, Canada.