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Heart|Natural|GIA

1.50ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 1246087081

Certificate GIA 1246087081

Diamond specifications and retailer prices

From $4,164 AUD
HK$22,800 HKD
As of November 2, 2026
Save $5,676 AUD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,840 AUD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246087081. Listed at 14 retailers as of October 30, 2026, with prices from $4,164 to $9,840, a $5,676 spread on the same certified stone. NZ Jewellers lists it at $9,840. 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

1.50
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246087081
Dimensions6.94 × 7.89 × 4.60 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
6.94 mm7.89 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246087081
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.3%

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 2
Current: $9,840 AUD|Low: $4,091 AUD|High: $10,797 AUD|Avg: $6,502 AUD|-8.9%
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
November 2, 2026
Retailer 7$4,164 AUD
Retailer 11$4,991 AUD
Retailer 14$5,030 AUD
Retailer 6$5,205 AUD
Retailer 9$5,248 AUD
Retailer 10$5,353 AUD
Retailer 5$5,466 AUD
Retailer 8$5,471 AUD
Retailer 3$5,974 AUD
Retailer 12$6,307 AUD
Retailer 13$6,942 AUD
Retailer 4$8,645 AUD
Retailer 2$9,510 AUD
NZ Jewellers$9,840 AUD

20 data points across 14 retailers

14 retailers$4,164 AUD to $9,840 AUD

A
Cheapest Retailer
-
$4,164 AUD
HK$22,800 HKD
A
Retailer 2
-
$4,991 AUD
$3,498 USD
View
A
Retailer 3
-
$5,030 AUD
$3,525 USD
View
B+
Retailer 4
-
$5,205 AUD
SGD 4,929 SGD
View
B+
Retailer 5
-
$5,248 AUD
$3,678 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,353 AUD
£2,954 GBP
View
B+
Retailer 7
-
$5,466 AUD
$3,831 USD
View
B+
Retailer 8
-
$5,471 AUD
£3,019 GBP
View
B+
Retailer 9
-
$5,974 AUD
$4,187 USD
View
B+
Retailer 10
-
$6,307 AUD
$4,420 USD
View
B+
Retailer 11
-
$6,942 AUD
ZAR 78,599 ZAR
View
B
Retailer 12
-
$8,645 AUD
$6,059 USD
View
B
Retailer 13
-
$9,510 AUD
£5,248 GBP
View
Most Expensive
B
NZ Jewellers
3b084430-3c5d-4cdd-ab7a-9928d8fe2a22 · Oct 30
$9,840 AUD
$6,896 USD
View
13 more retailers have this diamond
Prices start from $4,164 AUDSave up to $5,676 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
$4,164 AUD