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Heart|Natural|IGI

1.30ct I SI1 Heart Natural Diamond

EX • I/SI1 • IGI 762534841

Shape and cutting style on the report: Heart brilliant

Certificate IGI 762534841

Diamond specifications and retailer prices

From $3,100 AUD
As of November 7, 2026
Save $4,074 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,174 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 762534841. Listed at 16 retailers as of November 5, 2026, with prices from $3,100 to $7,174, a $4,074 spread on the same certified stone. NZ Jewellers lists it at $7,174. 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

1.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.2°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 762534841
Dimensions6.66 × 7.60 × 4.42 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
6.66 mm7.60 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 762534841
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.2%

Caratlytics Score

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

Price History

Last verified: Nov 7
Current: $7,174 AUD|Low: $3,100 AUD|High: $7,393 AUD|Avg: $4,147 AUD|-3.0%
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
Retailer 14
Retailer 15
November 7, 2026
Retailer 5$3,100 AUD
Retailer 10$3,100 AUD
Retailer 11$3,135 AUD
Retailer 12$3,295 AUD
Retailer 4$3,359 AUD
Retailer 3$3,432 AUD
Retailer 7$3,537 AUD
Retailer 8$3,554 AUD
Retailer 13$3,601 AUD
Retailer 6$3,609 AUD
Retailer 9$3,745 AUD
Retailer 14$3,921 AUD
Retailer 15$4,187 AUD
Retailer 2$5,919 AUD
NZ Jewellers$7,174 AUD

38 data points across 15 retailers

16 retailers$3,100 AUD to $7,174 AUD

A
Cheapest Retailer
-
$3,100 AUD
A
Retailer 2
-
$3,100 AUD
View
A
Retailer 3
-
$3,135 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,295 AUD
View
A
Retailer 5
-
$3,359 AUD
View
A
Retailer 6
-
$3,432 AUD
View
Retailer 7
-
$3,537 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
$3,537 AUD
View
Price last confirmed 22 days ago
A
Retailer 9
-
$3,554 AUD
View
A
Retailer 10
-
$3,601 AUD
View
A
Retailer 11
-
$3,609 AUD
View
A
Retailer 12
-
$3,745 AUD
View
A
Retailer 13
-
$3,921 AUD
View
A
Retailer 14
-
$4,187 AUD
View
B+
Retailer 15
-
$5,919 AUD
View
Most Expensive
B
NZ Jewellers
07a9bac2-5d1a-49cc-a705-091a234bd2ce · Nov 5
$7,174 AUD
$4,929 USD
View
15 more retailers have this diamond
Prices start from $3,100 AUDSave up to $4,074 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.

A
1.30ct Heart
$3,100 AUD