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Heart|Natural|GIA

1.54ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 6535937549

Certificate GIA 6535937549

Diamond specifications and retailer prices

From $3,807 SGD
$2,978 USD
As of November 1, 2026
Save $4,220 SGD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,027 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded I 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 6535937549. Listed at 14 retailers as of October 30, 2026, with prices from $3,807 to $8,027, a $4,220 spread on the same certified stone. NZ Jewellers lists it at $8,027. 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

1.54
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.93°
OriginNatural
Grading LabGIA
CertificateGIA 6535937549
Dimensions8.18 × 7.25 × 4.53 mm
L/W Ratio1.13
Top View
8.18 mm7.25 mm1.54 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535937549
Side View
Table 58.0%Crown 34.93°Girdle: MED-VTKPavilionCulet: NoneDepth 55.4%

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: $8,027 SGD|Low: $3,807 SGD|High: $8,772 SGD|Avg: $5,326 SGD|-8.5%
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 1, 2026
Retailer 6$3,807 SGD
Retailer 13$4,090 SGD
Retailer 14$4,252 SGD
Retailer 2$4,494 SGD
Retailer 5$4,607 SGD
Retailer 11$4,607 SGD
Retailer 4$4,784 SGD
Retailer 12$4,793 SGD
Retailer 8$4,815 SGD
Retailer 3$4,871 SGD
Retailer 10$4,912 SGD
Retailer 9$5,316 SGD
Retailer 7$7,705 SGD
NZ Jewellers$8,027 SGD

32 data points across 14 retailers

14 retailers$3,807 SGD to $8,027 SGD

A
Cheapest Retailer
-
$3,807 SGD
$2,978 USD
A
Retailer 2
-
$4,090 SGD
$3,199 USD
View
A
Retailer 3
-
$4,252 SGD
$3,326 USD
View
Final sale: no returns
A
Retailer 4
-
$4,494 SGD
£2,768 GBP
View
A
Retailer 5
-
$4,607 SGD
$3,604 USD
View
A
Retailer 6
-
$4,607 SGD
$3,604 USD
View
A
Retailer 7
-
$4,784 SGD
$3,742 USD
View
A
Retailer 8
-
$4,793 SGD
$3,749 USD
View
A
Retailer 9
-
$4,815 SGD
£2,966 GBP
View
A
Retailer 10
-
$4,871 SGD
$3,810 USD
View
A
Retailer 11
-
$4,912 SGD
$3,842 USD
View
A
Retailer 12
-
$5,316 SGD
$4,158 USD
View
B
Retailer 13
-
$7,705 SGD
£4,746 GBP
View
Most Expensive
B+
NZ Jewellers
ea83e2a4-0a00-4111-99d2-b0ae3617cafa · Oct 30
$8,027 SGD
$6,279 USD
View
13 more retailers have this diamond
Prices start from $3,807 SGDSave up to $4,220 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
1.54ct Heart
$3,807 SGD