Topaz is a commonly found, affordable semi-precious gemstone. It is a granite rock formed from silicate minerals of aluminum and flourine. The purest topaz is colorless or milky white while the most popular topaz colors are blue and golden-yellow. White topaz is often heated and irradiated to obtain desirable colors such as blue topaz.īecause white topaz is rarely contaminated with impurities, it is symbolically attributed to loyalty and sincerity, perfect for a promise of eternal love. Pure topaz crystals can refract a brilliant light and can appear very similar to a diamond to the untrained eye. While white topaz and cubic zirconia (CZ) are popular diamond simulants, the fundamental difference is that white topaz is almost always natural whereas CZ is always synthetic. Diamonds – Appearanceĭiamonds are known for their sparkle and brilliance. Due to their exceptional durability, they are highly scratch resistant, which means that they don’t easily develop scratches that reduce their sparkle and fade their brilliance. High clarity diamonds that are cut with expertise are highly sought after as they heighten the light performance of the stone.ĭiamonds are known for their spectacular sparkle. See these diamond studs here.įlawless crystals can produce the maximum amount of light as it passes through the stones surface, and shoots out in another direction. This ability is measured by a stone’s refractive index, which called light return.

A diamond has a very high refractive index of 2.4.

The purest crystals exude a luster that no other gem can surpass. This has given diamonds their reputation of having the best sparkle of all the gemstones.

White diamond chansey