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Exclusive Diamond OffersStaff Portal
1.25 carat radiant diamond — 6.8 × 5.9mm
  1. Guidance
  2. Diamond Guide
  3. Diamond Sizes
  4. Radiant
  5. 1.25ct

1.25 Carat Radiant Diamond

A 1.25ct radiant diamond measures 6.8 × 5.9mm. See it at true 1:1 scale on your screen and compare with other sizes.

1.25ct Radiant — Key Dimensions

Length (approx.)

6.8mm

Width (approx.)

5.9mm

Weight

1.25ct

Diamond Shape

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

Radiant — All Sizes

CaratLength (approx.)Width (approx.)
0.25ct3.8mm3.5mm
0.30ct4.0mm3.7mm
0.40ct4.5mm4.0mm
0.50ct4.9mm4.3mm
0.60ct5.2mm4.6mm
0.70ct5.5mm4.8mm
0.80ct5.8mm5.1mm
0.90ct6.1mm5.3mm
1.00ct6.3mm5.5mm
1.25ct6.8mm5.9mm
1.50ct7.2mm6.3mm
1.75ct7.5mm6.6mm
2.00ct7.8mm6.8mm
2.50ct8.5mm7.3mm
3.00ct9.0mm7.8mm
4.00ct10.0mm8.5mm
5.00ct10.8mm9.2mm

See Actual Size on Your Screen

1.00ct Radiant1.50ct Radiant

1.25ct in Other Shapes

Round Brilliant — 6.9 × 6.9mmOval — 8.5 × 5.9mmCushion — 6.7 × 6.0mmEmerald — 7.5 × 5.5mmPrincess — 6.0 × 6.0mmPear — 9.0 × 6.0mmMarquise — 11.0 × 5.5mmAsscher — 6.0 × 6.0mmHeart — 7.0 × 7.0mm

All Radiant Sizes

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

Looking for a 1.25ct radiant?

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Diamond Guide

  • Diamond Guide
  • Diamond Shapes
  • Carat Weight
  • Diamond Size Chart
  • All Sizes
  • Radiant Sizes
  • 1.25ct Radiant
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