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Exclusive Diamond OffersStaff Portal
0.30 carat heart diamond — 4.3 × 4.3mm
  1. Guidance
  2. Diamond Guide
  3. Diamond Sizes
  4. Heart
  5. 0.30ct

0.30 Carat Heart Diamond

A 0.30ct heart diamond measures 4.3 × 4.3mm. See it at true 1:1 scale on your screen and compare with other sizes.

0.30ct Heart — Key Dimensions

Length (approx.)

4.3mm

Width (approx.)

4.3mm

Weight

0.30ct

Diamond Shape

Round Brilliant
Round Brilliant
Oval
Oval
Cushion
Cushion
Emerald
Emerald
Princess
Princess
Pear
Pear
Marquise
Marquise
Radiant
Radiant
Asscher
Asscher
Heart
Heart

Heart — All Sizes

CaratLength (approx.)Width (approx.)
0.25ct4.0mm4.0mm
0.30ct4.3mm4.3mm
0.40ct4.7mm4.7mm
0.50ct5.0mm5.0mm
0.60ct5.4mm5.4mm
0.70ct5.7mm5.7mm
0.80ct5.9mm5.9mm
0.90ct6.1mm6.1mm
1.00ct6.5mm6.5mm
1.25ct7.0mm7.0mm
1.50ct7.4mm7.4mm
1.75ct7.8mm7.8mm
2.00ct8.0mm8.0mm
2.50ct8.7mm8.7mm
3.00ct9.3mm9.3mm
4.00ct10.2mm10.2mm
5.00ct11.0mm11.0mm

See Actual Size on Your Screen

0.25ct Heart0.40ct Heart

0.30ct in Other Shapes

Round Brilliant — 4.3 × 4.3mmOval — 5.5 × 3.8mmCushion — 4.0 × 3.7mmEmerald — 4.7 × 3.3mmPrincess — 3.8 × 3.8mmPear — 5.5 × 3.5mmMarquise — 6.5 × 3.3mmRadiant — 4.0 × 3.7mmAsscher — 3.8 × 3.8mm

All Heart Sizes

0.25ct0.30ct0.40ct0.50ct0.60ct0.70ct0.80ct0.90ct1.00ct1.25ct1.50ct1.75ct2.00ct2.50ct3.00ct4.00ct5.00ct

Looking for a 0.30ct heart?

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

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Diamond Guide

  • Diamond Guide
  • Diamond Shapes
  • Carat Weight
  • Diamond Size Chart
  • All Sizes
  • Heart Sizes
  • 0.30ct Heart
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