6 Cheap Alternatives to Diamonds For Engagement Rings

3 – Moonstone 

Average Price Per Carat: $250

Moonstone is among the top 3 cheap alternatives to diamonds for engagement rings. It is a beautiful-looking gemstone that is known for its pearly and opalescent sheen. It comes in various colors, including blue, grey, white, white, pink, peach, green, and brown. The most prized moonstones, however, come from Srilanka and India and the blue moonstones are particularly rare and valuable.