0.30 Carat Marquise Diamond

A 0.30ct marquise diamond measures 6.5 × 3.3mm. See it at true 1:1 scale on your screen and compare with other sizes.

0.30ct Marquise — Key Dimensions

Length (approx.)

6.5mm

Width (approx.)

3.3mm

Weight

0.30ct

Diamond Shape

Marquise — All Sizes

Carat	Length (approx.)	Width (approx.)
0.25ct	6.0mm	3.0mm
0.30ct	6.5mm	3.3mm
0.40ct	7.4mm	3.7mm
0.50ct	8.0mm	4.0mm
0.60ct	8.5mm	4.3mm
0.70ct	9.0mm	4.5mm
0.80ct	9.5mm	4.8mm
0.90ct	10.0mm	5.0mm
1.00ct	10.5mm	5.0mm
1.25ct	11.0mm	5.5mm
1.50ct	12.0mm	6.0mm
1.75ct	12.5mm	6.3mm
2.00ct	13.0mm	6.5mm
2.50ct	14.0mm	7.0mm
3.00ct	15.0mm	7.5mm
4.00ct	16.0mm	8.0mm
5.00ct	17.0mm	8.5mm

See Actual Size on Your Screen

0.25ct Marquise 0.40ct Marquise

0.30ct in Other Shapes

Round Brilliant — 4.3 × 4.3mm Oval — 5.5 × 3.8mm Cushion — 4.0 × 3.7mm Emerald — 4.7 × 3.3mm Princess — 3.8 × 3.8mm Pear — 5.5 × 3.5mm Radiant — 4.0 × 3.7mm Asscher — 3.8 × 3.8mm Heart — 4.3 × 4.3mm

All Marquise Sizes

0.25ct 0.30ct 0.40ct 0.50ct 0.60ct 0.70ct 0.80ct 0.90ct 1.00ct 1.25ct 1.50ct 1.75ct 2.00ct 2.50ct 3.00ct 4.00ct 5.00ct

Looking for a 0.30ct marquise?

Browse our live diamond inventory or let us help you choose.

Browse Diamonds Book a Consultation