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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 $3,665 SGD
HK$22,400 HKD
As of November 1, 2026
Save $5,150 SGD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,816 SGD 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 $3,665 to $8,816, a $5,150 spread on the same certified stone. NZ Jewellers lists it at $8,816. 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 1
Current: $8,816 SGD|Low: $3,665 SGD|High: $9,674 SGD|Avg: $5,824 SGD|-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 10$3,665 SGD
Retailer 8$4,472 SGD
Retailer 14$4,506 SGD
Retailer 6$4,663 SGD
Retailer 2$4,702 SGD
Retailer 7$4,796 SGD
Retailer 11$4,835 SGD
Retailer 5$4,898 SGD
Retailer 3$5,353 SGD
Retailer 9$5,651 SGD
Retailer 13$6,220 SGD
Retailer 4$7,746 SGD
Retailer 12$8,404 SGD
NZ Jewellers$8,816 SGD

20 data points across 14 retailers

14 retailers$3,665 SGD to $8,816 SGD

A
Cheapest Retailer
-
$3,665 SGD
HK$22,400 HKD
A
Retailer 2
-
$4,472 SGD
$3,498 USD
View
A
Retailer 3
-
$4,506 SGD
$3,525 USD
View
B+
Retailer 4
-
$4,663 SGD
View
B+
Retailer 5
-
$4,702 SGD
$3,678 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,796 SGD
£2,954 GBP
View
B+
Retailer 7
-
$4,835 SGD
£2,978 GBP
View
B+
Retailer 8
-
$4,898 SGD
$3,831 USD
View
B+
Retailer 9
-
$5,353 SGD
$4,187 USD
View
B+
Retailer 10
-
$5,651 SGD
$4,420 USD
View
B+
Retailer 11
-
$6,220 SGD
ZAR 78,599 ZAR
View
B
Retailer 12
-
$7,746 SGD
$6,059 USD
View
B
Retailer 13
-
$8,404 SGD
£5,176 GBP
View
Most Expensive
B
NZ Jewellers
3b084430-3c5d-4cdd-ab7a-9928d8fe2a22 · Oct 30
$8,816 SGD
$6,896 USD
View
13 more retailers have this diamond
Prices start from $3,665 SGDSave up to $5,150 SGD

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
$3,665 SGD