The average price can range from $1,500 for a 0.5-carat diamond to $21,000 for a two-carat diamond. The truth is that answering this question is not easy because the price of a diamond can vary depending on a number of factors, including Clarity, Color, Cut, Carat, Shape and Fluorescence.

On average, the retail price for one carat diamonds can be anywhere between $2,000 to $16,000, and between $8,000 to $72,000 for two carat diamonds . And of course, the retail price and the resale value of a diamond are very different things.

We set high standards for our jewelry sourcing—whether natural or lab-created, 100% of our diamonds are conflict-free. Check out more reasons to choose KAY here. All lab-created diamonds are independently certified for color, clarity, cut, and carat weight.

The fog test: This involves blowing hot air onto the diamond to see if it fogs up. A real diamond will clear up quickly due to its high thermal conductivity. The water test: Since real diamonds are denser than most gemstones, they will sink when dropped into a glass of water.