Stone Size Equivalents - Marquise

Marquise Stone Size	Approximate Carat Equivalent
10 x 5 mm	1
12 x 6 mm	1.5
12.5 x 6.25 mm	1.75
13 x 6.5 mm	2
14 x 7 mm	2.5
15 x 7.25 mm	3
15.5 x 8.25 mm	3.5
16 x 8.5 mm	4
16.5 x 8.75 mm	4.5
17 x 8.75 mm	5
17.5 x 9 mm	5.5