For one, you have to think about the color, band, and general style.

Do you want something classic?

Or how about dramatic and bold?

round diamond

And then there’s the four C’s: cut, clarity, color, and carat size.

While all are important aspects to consider, many jewelers considerdiamond cutto be the most important.

According to jewelry retailerBrilliance, round-cut diamonds as we know them today were first crafted in 1919.

Emily Blunt’s round-cut engagement ring

For evidence of this timeless sparkle, look no further than the rings ofcelebritieslikeEmily BluntandMila Kunis.

According to jewelry retailerBrilliance, the princess cut is one of the most popular choices for engagement rings.

Online jewelry retailerWith Claritynoted that this also means the princess cut is better for the environment.

Hillary Duff’s princess-cut diamond engagement ring

What’s not to love about an eco-conscious diamond that dazzles?

Where the round diamond is classic, the princess cut is modern.

Despite its trendy yet timeless appeal, the oval-cut diamond was only created in 1957, according to Brilliance.

Kate Middleton’s oval-cut diamond ring

AsGlamourreported, celebs fromKirsten DunsttoHailey Bieberto evenKate Middleton, as pictured above, have taken to the brilliant trend.

According to jewelry retailerBrilliance, emerald-cut diamonds have clean lines and lend themselves to showing off their startling clarity.

The elongated shape and step-cut faceting is great for someone on the more understated side."

cushion-cut diamond

According to jewelry retailerBrilliance, the origin of the marquise diamond is quite romantic.

Women who love antiques and unique designs tend to gravitate more toward Asscher cuts for their retro look."

As a diamond, the heart cut is uncommon.

Emerald-cut diamond

Wearing a heart-shaped diamond is truly a bold choice, though it’s definitely not a new trend.

This is true even today.

According toBrides,baguette diamonds feature just 14 facets in their long, rectangular shape.

pear-cut diamond ring

marquise-cut diamond ring

Asscher-cut diamond

heart-cut diamond

radiant-cut yellow diamond

baguette-cut diamond