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Heart|Natural|IGI

0.31ct G SI1 Heart Natural Diamond

VG • G/SI1 • IGI 810635845

Shape and cutting style on the report: Heart brilliant

Certificate IGI 810635845

Diamond specifications and retailer prices

From €165 EUR
₹17,658 INR
As of November 2, 2026
Save €380 EUR (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €546 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 0.31ct natural heart diamond

This 0.31ct natural heart sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 810635845. Listed at 3 retailers as of November 2, 2026, with prices from €165 to €546, a €380 spread on the same certified stone. MOH London lists it at €546. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.31
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.1°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 810635845
Dimensions3.86 × 4.71 × 2.76 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizeNone
Top View
3.86 mm4.71 mm0.31 ctG / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 810635845
Side View
Table 57.0%Crown 36.1°Girdle: STK-VTKPavilion 37.4°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €546 EUR|Low: €165 EUR|High: €553 EUR|Avg: €339 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2€165 EUR
Retailer 3€298 EUR
Retailer 4€335 EUR
Retailer 5€374 EUR
MOH London€546 EUR

40 data points across 5 retailers

3 retailers€165 EUR to €546 EUR

A
Cheapest Retailer
-
€165 EUR
₹17,658 INR
B
Retailer 2
-
€374 EUR
$420 USD
View
Most Expensive
C
MOH London
B8F1658B6 · Nov 2
€546 EUR
£482 GBP
View
2 more retailers have this diamond
Prices start from €165 EURSave up to €380 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.31ct Heart
€165 EUR