Marquise - Art De Excellence

DIMOND SIZE CHART

Marquise Diamond Size Chart

Want to know the actual size of a 1 carat diamond on a hand? Use our diamond size chart to understand the millimeter (mm) size of each diamond shape.

Select your diamond shape

MM Size	Carat Weight
6×3 mm.	0.25 ct.
8×4 mm.	0.50 ct.
9×4.5 mm.	0.75 ct.
10×5 mm.	1.00 ct.
11×5.5 mm.	1.25 ct.
12×6 mm.	1.50 ct.
12.5×6.25 mm.	1.75 ct.
13×6.5 mm.	2.00 ct.
14×7 mm.	2.50 ct.
15×7 mm.	3.00 ct.
15×8 mm.	3.50 ct.
16.5×8.25 mm.	4.00 ct.
16.75×8.5 mm.	4.50 ct.
17×8.5 mm.	5.00 ct.

VIEW FULL CHART

MM Size	Carat Weight
3×1.5 mm.	0.025 ct.
3.5×1.75 mm.	0.065 ct.
3.5×2 mm.	0.07 ct.
4×2 mm.	0.10 ct.
3.75×1.75 mm.	0.11 ct.
4.25×2.25 mm.	0.12 ct.
5×2.5 mm.	0.14 ct.
5.5×2.75 mm.	0.16 ct.
5.5×3 mm.	0.18 ct.
5×3 mm.	0.20 ct.
6.5×3 mm.	0.23 ct.
6×3 mm.	0.25 ct.
7×3 mm.	0.30 ct.
7.5×3.5 mm.	0.33 ct.
7×4 mm.	0.34 ct.
8×4 mm.	0.50 ct.
8.75×4.25 mm.	0.70 ct.
9×4.5 mm.	0.75 ct.
9.5×4.7 mm.	0.85 ct.

MM Size	Carat Weight
10×5 mm.	1.00 ct.
11×5.5 mm.	1.25 ct.
11.5×6 mm.	1.33 ct.
12×6 mm.	1.50 ct.
12.5×6.25 mm.	1.75 ct.
13×6.5 mm.	2.00 ct.
14×7 mm.	2.50 ct.
15×7 mm.	3.00 ct.
15×7.5 mm.	3.25 ct.
15×8 mm.	3.50 ct.
16×8 mm.	3.86 ct.
16.5×8.25 mm.	4.00 ct.
16.75×8.5 mm.	4.50 ct.
17×8.5 mm.	5.00 ct.
17.5×10 mm.	5.50 ct.
20×8 mm.	7.08 ct.
20×10 mm.	7.94 ct.
20×11 mm.	9.50 ct.

At Art de excellence we are passionate about transforming ideas into stunning jewelry designs. Based in Bangkok, Thailand, we specialize in jewelry CAD design, concept sketching, 3D modeling, rendering, animation, and 3D wax printing services.

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Ring Size Chart

Use our Ring Size Conversion Chart below to find your ring size in different countries.

Ring Diameter (MM)	Usa/Canada Size
14.0 mm	3
14.4 mm	3.5
14.8 mm	4
15.2 mm	4.5
15.6 mm	5
16.0 mm	5.5
16.5 mm	6
16.9 mm	6.5
17.3 mm	7
17.7 mm	7.5
18.2 mm	8
18.6 mm	8.5
19.0 mm	9
19.4 mm	9.5
19.8 mm	10
20.2 mm	10.5
20.6 mm	11

Check Full Ring Size Conversion Chart Here