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Round|Natural|GIA

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1499133299

Certificate GIA 1499133299

Diamond specifications and retailer prices

From $3,760 SGD
As of November 4, 2026
Save $4,658 SGD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,770 SGD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1499133299. Listed at 18 retailers as of November 2, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1499133299
Dimensions7.38 × 7.34 × 4.54 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Cert comments
Additional twinning wisps- pinpoints and surface graining are not shown.
Key to symbols
Feather, Crystal, Twinning Wisp
Top View
7.38 mm7.34 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1499133299
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 4
Current: $3,792 SGD|Low: $3,760 SGD|High: $8,520 SGD|Avg: $5,295 SGD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$3,760 SGD
Retailer 1$3,792 SGD
Retailer 2$4,522 SGD
Retailer 11$4,534 SGD
Retailer 3$4,646 SGD
Retailer 5$4,740 SGD
Retailer 9$4,762 SGD
Retailer 6$5,036 SGD
Retailer 7$5,652 SGD
Retailer 4$6,478 SGD
Retailer 8$8,419 SGD

31 data points across 11 retailers

18 retailers$3,760 SGD to $8,419 SGD

A
Cheapest Retailer
-
$3,760 SGD
A
Retailer 2
-
$3,792 SGD
View
A
Retailer 3
-
$4,430 SGD
View
A
Retailer 4
-
$4,522 SGD
View
A
Retailer 5
-
$4,534 SGD
View
A
Retailer 6
-
$4,646 SGD
View
Final sale: no returns
A
Retailer 7
-
$4,740 SGD
View
A
Retailer 8
-
$4,762 SGD
View
Retailer 9
-
$5,034 SGD
View
Price last confirmed 21 days ago
Retailer 10
-
$5,034 SGD
View
Price last confirmed 17 days ago
Retailer 11
-
$5,034 SGD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$5,036 SGD
View
B+
Retailer 13
-
$5,222 SGD
View
B+
Retailer 14
-
$5,652 SGD
View
Retailer 15
-
$5,809 SGD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$6,478 SGD
View
B
Retailer 17
-
$8,419 SGD
View
Most Expensive
NZ Jewellers
d14a2bef-9199-4459-9d50-ae62086718e9 · Oct 20
$8,770 SGD
$6,866 USD
View
Price last confirmed 16 days ago
17 more retailers have this diamond
Prices start from $3,760 SGDSave up to $4,658 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 Round
$3,760 SGD