This listing is for an rectangular Cushion Cut Lannyte lab created simulant Tanzanite. This beautiful stone is actually a lab grown sapphire that has a similar color as Tanzanite. It is harder than Tanzanite and less prone to scratching plus still has the gorgeous blue/violet color that a natural Tanzanite stone would have. Each stone is hand cut to perfect proportions and have faceted girdles ensuring the highest quality gem.
***They are available in all sizes and shapes, just email if you need a different shape or size than what is listed. ***
Size guide for a rectangular Cushion: Size is what counts with gems, not carat weight but just for your reference
7x5mm= approx 1 carat, 10x8= approx 3-4 carats, 12x10mm = approx 7 carats
14x12mm = approx 10 carats
Lannyte stones don't fade, or change over time. The best part of owning a Lannyte gemstone is that it is guaranteed against chips, breaks, and scratches for life.