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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 HK$6,858 HKD
As of November 5, 2026
Save HK$14,170 HKD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$21,028 HKD 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 HK$6,858 to HK$21,028, a HK$14,170 spread on the same certified stone. NZ Jewellers lists it at HK$21,028. 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: HK$21,028 HKD|Low: HK$4,742 HKD|High: HK$21,028 HKD|Avg: HK$9,337 HKD
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 5HK$4,742 HKD
Retailer 10HK$6,858 HKD
Retailer 13HK$6,858 HKD
Retailer 2HK$6,936 HKD
Retailer 11HK$7,124 HKD
Retailer 8HK$7,837 HKD
Retailer 12HK$7,931 HKD
Retailer 6HK$8,762 HKD
Retailer 7HK$9,327 HKD
Retailer 3HK$9,664 HKD
Retailer 4HK$10,831 HKD
Retailer 9HK$12,258 HKD
NZ JewellersHK$21,028 HKD

42 data points across 13 retailers

10 retailersHK$6,858 HKD to HK$21,028 HKD

B+
Cheapest Retailer
-
HK$6,858 HKD
Retailer 2
-
HK$6,858 HKD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
HK$6,936 HKD
View
B+
Retailer 4
-
HK$7,124 HKD
View
B+
Retailer 5
-
HK$7,837 HKD
View
B+
Retailer 6
-
HK$7,931 HKD
View
B+
Retailer 7
-
HK$8,762 HKD
View
B
Retailer 8
-
HK$9,327 HKD
View
B
Retailer 9
-
HK$12,258 HKD
View
Most Expensive
C
NZ Jewellers
603b8c87-bc2d-4967-a0bc-1395e2d32fd0 · Nov 5
HK$21,028 HKD
$2,683 USD
View
9 more retailers have this diamond
Prices start from HK$6,858 HKDSave up to HK$14,170 HKD

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
HK$6,858 HKD