Introducing The Harro Gem Moissanite Click to Watch While Charles & Colvard moissanites remain the market leader, these Harro Gems offer you more flexibility with the actual shapes/length-width ratios of the stones. Most notably, we can offer our clients rectangular cushion cuts, along with elongated ovals and pear shapes which will give you a more "diamond-like" appearance.To see more videos go to our Video Gallery Page here