CaratHunter
Plans
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 $432 AUD
$303 USD
As of November 1, 2026
Save $566 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $999 AUD 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 $432 to $999, a $566 spread on the same certified stone. MOH London lists it at $999. 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: $999 AUD|Low: $421 AUD|High: $1,658 AUD|Avg: $668 AUD|+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$425 AUD
Retailer 11$432 AUD
Retailer 13$467 AUD
Retailer 7$482 AUD
Retailer 10$582 AUD
Retailer 8$586 AUD
Retailer 6$593 AUD
Retailer 5$606 AUD
Retailer 12$619 AUD
Retailer 9$671 AUD
Retailer 2$820 AUD
MOH London$999 AUD
Retailer 3$1,658 AUD

28 data points across 13 retailers

12 retailers$432 AUD to $999 AUD

B+
Cheapest Retailer
-
$432 AUD
$303 USD
B+
Retailer 2
-
$467 AUD
$327 USD
View
B+
Retailer 3
-
$482 AUD
$338 USD
View
Retailer 4
-
$542 AUD
$380 USD
View
Price last confirmed 56 days ago
B
Retailer 5
-
$582 AUD
$408 USD
View
B
Retailer 6
-
$586 AUD
$411 USD
View
B
Retailer 7
-
$593 AUD
£327 GBP
View
B
Retailer 8
-
$619 AUD
$434 USD
View
B
Retailer 9
-
$671 AUD
$470 USD
View
C
Retailer 10
-
$820 AUD
€547 EUR
View
Most Expensive
C
MOH London
0BED7EAA7 · Nov 1
$999 AUD
£551 GBP
View
10 more retailers have this diamond
Prices start from $432 AUDSave up to $566 AUD

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
$432 AUD