Prepare for many compliments when you wear this necklace with the glorious blue center stone. It is set in sterling silver and comes on a chunky chain which is also sterling. The pendant including the bale is 2 1/4" top to bottom. The simple setting has a cluster of half beads as the bottom and is the perfect showcase for the stone. I have tried to identify it but could not find this exact stone. Chain measures 18" and has a spring ring clasp. Pendant is 2 1/4" including the bale. It weighs about 32 grams. Pendant is marked 925. Chain is marked sterling on the clasp. This necklace is in excellent condition.