Offered here is this new 10k white gold genuine blue and white topaz December birthstone pendant necklace. The necklace is 18" long and the pendant is 3/4" by 3/4". The blue topaz measures 11mm by 9mm totaling 4ct. The white topaz stones measure 2.5mm totaling 1.68ctw. The necklace is marked 10k and it weighs 5 grams. Any darkness in the photos is due to camera reflection. This necklace is offered here new.