Even seasoned jewelry buyers are impressed by the close resemblence of sky blue topaz to aquamarine. The truth it is that sky blue topaz is an awesome gem stone, it is durable and very affordable. But, aquamarine and topaz are two different gems. The similarity in appearance however, gives you an opportunity to have a pale blue gem stone jewel at an affordable price. Despite the beauty and durability of light blue topaz, it is available at a very affordable price. More information on blue topaz can be seen at this link: