Oval Cut Diamond Size Chart

Discover the Oval Cut Diamond Size Chart to understand how carat weight affects the size, helping you select an elegant and distinctive oval diamond.

Oval MM SizeOval Carat Weight
5×3 mm0.25 ct
6×4 mm0.50 ct
7×5 mm0.75 ct
7.7×5.7 mm1.00 ct
8×6 mm1.25 ct
8.5×6.5 mm1.50 ct
9×6.5 mm1.75 ct
9×7 mm2.00 ct
10×8 mm2.50 ct
12×8 mm3.00 ct
12×8.5 mm3.50 ct
12.5×8.5 mm4.00 ct
12.75×8.5 mm4.50 ct
12×10 mm5.00 ct
oval cut diamonds size chart
Oval MM SizeOval Carat Weight
3.6×2.7 mm0.10 ct
4×3 mm0.15 ct
4.5×3.5 mm0.20 ct
5×3 mm0.25 ct
5.5×3.5 mm0.33 ct
5×4 mm0.35 ct
6×4 mm0.50 ct
6×5 mm0.61 ct
6.5×4.5 mm0.65 ct
7×5 mm0.75 ct
7.7×5.7 mm1.00 ct
8×6 mm1.25 ct
9×6 mm1.41 ct
8.5×6.5 mm1.50 ct
9×6.5 mm1.75 ct
9×7 mm2.00 ct
Oval MM SizeOval Carat Weight
10×8 mm2.50 ct
10.5×8.5 mm2.88 ct
12×8 mm3.00 ct
12×8.5 mm3.50 ct
11×9 mm3.85 ct
12.5×8.5 mm4.00 ct
12.75×8.5 mm4.50 ct
12×10 mm5.00 ct
14×10 mm5.81 ct
13×11 mm6.05 ct
14×12 mm8.21 ct
15×12 mm8.76 ct
16×12 mm9.32 ct
16×14 mm11.88 ct
18×13 mm12.86 ct
20×15 mm14.96 ct

Size Charts for Diamond Shapes

Explore our comprehensive Diamond Size Charts by Shape to find the perfect fit for your jewelry designs

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Size and Style Guides

Oval Cut Diamond Size Chart

Complete Oval Cut Diamond Size Chart in MM & Carats

The Oval Shape Diamond was first created in 1960 by Lazare Kaplan. It became loveable among people because of its character, which is the same as the classic round-cut diamond. Still, it also looks more prominent than a round cut, which also makes the finger of the wearer appear longer and slimmer because of its oval shape. It has 56 facets and most suitable 1.35 to 1.50 side of the diamond.

Scarlett Johansson, Catherine (Duchess of Cambridge), and Blake Ellender Lively are Some well-known Celebrities who have owned oval cut diamond rings in their hand. One of the famous and largest “Koh-i-Noor” diamonds is also in the shape of an oval.
If you are a person who loves classic with a little edge, then this Oval Cut Diamond is the best match for you.

The Oval Cut diamond, significant for its most famous royal design, gives your jewelry a refining touch. If you are a fan of the round cut diamond but want to refine your look, an oval-cut diamond is the right choice for you. Oval cut diamonds are one of the oldest diamond shapes prevalent since 1304.

Oval cut diamond rings are perfect for a unique, stunning look. The shape of an oval cut diamond ring perfectly fits the finger, giving it a royal, sumptuous look, classic enough to grab all the eyeballs.
The world’s largest diamond, Koh-i-Noor, is also an oval cut diamond. You can see celebrities like Hailey Rhode Bieber, Scarlett Johansson, Catherine (Duchess of Cambridge), and Blake Ellender Lively, rocking the oval cut diamond rings with style!