blue topaz. trillon form.

amethyst beautiful beauty birthstone blue brilliant citrine close color crystal design diamond diamonds dioxide emerald emeralds facet facetted fashion garnet gem gems gemstone gemstones gold image insurance isolated jewel jewellery jewelry jewels lapidary luxury macro mineral minerals natural nature opal pear peridot precious quartzite refraction rich rock ruby saphire sapphire sapphires semi shape silicon silicone stone swarovski swiss topaz toughness tourlamine tourmaline transparent up wedding