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Heart|Natural|IGI

0.81ct J SI2 Heart Natural Diamond

EX • J/SI2 • IGI 457054632

Shape and cutting style on the report: Heart brilliant

Certificate IGI 457054632

Diamond specifications and retailer prices

From $1,578 NZD
As of November 5, 2026
Save $3,261 NZD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,840 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 457054632. Listed at 10 retailers as of November 5, 2026, with prices from $1,578 to $4,840, a $3,261 spread on the same certified stone. NZ Jewellers lists it at $4,840. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.81
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishGood
SymmetryVery Good
FluorescenceFaint
Crown angle37.7°
Pavilion angle34.3°
OriginNatural
Grading LabIGI
CertificateIGI 457054632
Dimensions6.14 × 6.60 × 3.31 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeMedium Natural
Top View
6.14 mm6.60 mm0.81 ctJ / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceFaint
CertificateIGI 457054632
Side View
Table 61.5%Crown 37.7°Girdle: MED-VTKPavilion 34.3°Culet: NoneDepth 50.2%

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 5
Current: $4,840 NZD|Low: $1,091 NZD|High: $4,840 NZD|Avg: $2,149 NZD
NZ Jewellers
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 6, 2026
Retailer 5$1,091 NZD
Retailer 10$1,578 NZD
Retailer 13$1,578 NZD
Retailer 2$1,596 NZD
Retailer 11$1,640 NZD
Retailer 8$1,804 NZD
Retailer 12$1,826 NZD
Retailer 6$2,017 NZD
Retailer 7$2,147 NZD
Retailer 3$2,224 NZD
Retailer 4$2,493 NZD
Retailer 9$2,821 NZD
NZ Jewellers$4,840 NZD

42 data points across 13 retailers

10 retailers$1,578 NZD to $4,840 NZD

B+
Cheapest Retailer
-
$1,578 NZD
Retailer 2
-
$1,578 NZD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$1,596 NZD
View
B+
Retailer 4
-
$1,640 NZD
View
B+
Retailer 5
-
$1,804 NZD
View
B+
Retailer 6
-
$1,826 NZD
View
B+
Retailer 7
-
$2,017 NZD
View
B
Retailer 8
-
$2,147 NZD
View
B
Retailer 9
-
$2,821 NZD
View
Most Expensive
C
NZ Jewellers
603b8c87-bc2d-4967-a0bc-1395e2d32fd0 · Nov 5
$4,840 NZD
$2,683 USD
View
9 more retailers have this diamond
Prices start from $1,578 NZDSave up to $3,261 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+
0.81ct Heart
$1,578 NZD