Top 10 Gemstones Used As a Diamond Alternative

What gemstones look like diamonds and are hard enough?
The Top Ten
1 Moissanite

Moissanite's hardness of 9.5/10 is closest to diamond's hardness of 10/10. Besides, moissanite looks quite similar to real diamond. Also, moissanite might outshine diamond because moissanite is more brilliant than diamond and sparkles in more colors when light enters it.

2 White Sapphire
3 Silver Topaz / White Topaz

It is a colorless variety of the mineral topaz.

4 Cubic Zirconia
5 White Zircon
6 Goshenite

Goshenite was often used as a diamond alternative before the introduction of synthetic diamonds

7 White Spinel
8 Colorless Tourmaline (Achroite, Achroite Tourmaline)
9 White Quartz
10 Garnet
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