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Heart|Natural|GIA

1.50ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 1389853124

Certificate GIA 1389853124

Diamond specifications and retailer prices

From $4,992 AUD
As of November 6, 2026
Save $6,140 AUD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,132 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1389853124. Listed at 19 retailers as of November 5, 2026, with prices from $4,992 to $11,132, a $6,140 spread on the same certified stone. NZ Jewellers lists it at $11,132. 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

1.50
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1389853124
Dimensions6.74 × 8.05 × 4.45 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
6.74 mm8.05 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1389853124
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.2%

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 6
Current: $5,052 AUD|Low: $4,954 AUD|High: $10,300 AUD|Avg: $6,353 AUD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$4,992 AUD
Retailer 1$5,052 AUD
Retailer 8$5,129 AUD
Retailer 9$5,723 AUD
Retailer 10$5,897 AUD
Retailer 7$6,072 AUD
Retailer 3$6,347 AUD
Retailer 2$6,389 AUD
Retailer 4$6,472 AUD
Retailer 5$10,149 AUD

44 data points across 10 retailers

19 retailers$4,992 AUD to $11,132 AUD

A
Cheapest Retailer
-
$4,992 AUD
A
Retailer 2
-
$5,052 AUD
View
Retailer 3
-
$5,129 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$5,456 AUD
View
A
Retailer 5
-
$5,622 AUD
View
A
Retailer 6
-
$5,897 AUD
View
Final sale: no returns
A
Retailer 7
-
$6,072 AUD
View
B+
Retailer 8
-
$6,347 AUD
View
Retailer 9
-
$6,389 AUD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$6,389 AUD
View
B+
Retailer 11
-
$6,389 AUD
View
A
Retailer 12
-
$6,472 AUD
View
B+
Retailer 13
-
$6,578 AUD
View
B+
Retailer 14
-
$6,606 AUD
View
B+
Retailer 15
-
$6,677 AUD
View
B+
Retailer 16
-
$7,373 AUD
View
B
Retailer 17
-
$9,740 AUD
View
B
Retailer 18
-
$10,149 AUD
View
Most Expensive
B
NZ Jewellers
8e9c0087-33cd-4911-827a-358d8597468e · Nov 5
$11,132 AUD
$7,649 USD
View
18 more retailers have this diamond
Prices start from $4,992 AUDSave up to $6,140 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
1.50ct Heart
$4,992 AUD