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Heart|Natural|IGI

0.31ct H SI2 Heart Natural Diamond

VG • H/SI2 • IGI 729536690

Shape and cutting style on the report: Heart brilliant

Certificate IGI 729536690

Diamond specifications and retailer prices

From $538 NZD
$303 USD
As of November 1, 2026
Save $704 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,242 NZD at MOH London · As of November 1, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 729536690. Listed at 12 retailers as of November 1, 2026, with prices from $538 to $1,242, a $704 spread on the same certified stone. MOH London lists it at $1,242. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 729536690
Dimensions4.24 × 4.68 × 2.66 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
4.24 mm4.68 mm0.31 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 729536690
Side View
Table 69.0%Crown 36.6°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 56.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,242 NZD|Low: $524 NZD|High: $2,062 NZD|Avg: $831 NZD|+7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 4$529 NZD
Retailer 11$538 NZD
Retailer 13$580 NZD
Retailer 7$600 NZD
Retailer 10$724 NZD
Retailer 8$728 NZD
Retailer 6$737 NZD
Retailer 5$753 NZD
Retailer 12$769 NZD
Retailer 9$834 NZD
Retailer 2$1,019 NZD
MOH London$1,242 NZD
Retailer 3$2,062 NZD

28 data points across 13 retailers

12 retailers$538 NZD to $1,242 NZD

B+
Cheapest Retailer
-
$538 NZD
$303 USD
B+
Retailer 2
-
$580 NZD
$327 USD
View
B+
Retailer 3
-
$600 NZD
$338 USD
View
Retailer 4
-
$674 NZD
$380 USD
View
Price last confirmed 56 days ago
B
Retailer 5
-
$724 NZD
$408 USD
View
B
Retailer 6
-
$728 NZD
$411 USD
View
B
Retailer 7
-
$737 NZD
£327 GBP
View
B
Retailer 8
-
$769 NZD
$434 USD
View
B
Retailer 9
-
$834 NZD
$470 USD
View
C
Retailer 10
-
$1,019 NZD
€547 EUR
View
Most Expensive
C
MOH London
0BED7EAA7 · Nov 1
$1,242 NZD
£551 GBP
View
10 more retailers have this diamond
Prices start from $538 NZDSave up to $704 NZD

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.

B+
0.31ct Heart
$538 NZD