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Round|Natural|GIA

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1513658487

Certificate GIA 1513658487

Diamond specifications and retailer prices

From $4,243 SGD
As of November 6, 2026
Save $4,488 SGD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,485 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 1513658487. Listed at 13 retailers as of November 4, 2026, with a 106% 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1513658487
Dimensions7.37 × 7.33 × 4.58 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.37 mm7.33 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1513658487
Side View
Table 59.0%Crown 36°Girdle: MED-THKPavilion 41°Culet: NoneDepth 62.2%

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: $9,485 SGD|Low: $3,794 SGD|High: $9,485 SGD|Avg: $5,748 SGD
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
Retailer 15
Retailer 16
November 5, 2026
Retailer 12$4,243 SGD
Retailer 11$4,597 SGD
Retailer 10$4,651 SGD
Retailer 16$4,905 SGD
Retailer 6$4,906 SGD
Retailer 14$4,933 SGD
Retailer 13$5,122 SGD
Retailer 7$5,506 SGD
Retailer 4$5,620 SGD
Retailer 5$5,620 SGD
Retailer 3$5,692 SGD
Retailer 15$5,812 SGD
Retailer 8$5,883 SGD
Retailer 2$6,173 SGD
Retailer 9$8,732 SGD
NZ Jewellers$9,485 SGD

26 data points across 16 retailers

13 retailers$4,243 SGD to $8,732 SGD

A
Cheapest Retailer
-
$4,243 SGD
A
Retailer 2
-
$4,597 SGD
View
Final sale: no returns
A
Retailer 3
-
$4,651 SGD
View
B+
Retailer 4
-
$4,905 SGD
View
Retailer 5
-
$4,933 SGD
View
Price last confirmed 15 days ago
Retailer 6
-
$5,122 SGD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$5,620 SGD
View
B+
Retailer 8
-
$5,620 SGD
View
Retailer 9
-
$5,692 SGD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$5,812 SGD
View
B+
Retailer 11
-
$6,173 SGD
View
B
Retailer 12
-
$8,732 SGD
View
Most Expensive
NZ Jewellers
c81354be-06af-41f1-9e03-e294e239dfe7 · Oct 20
$9,485 SGD
$7,426 USD
View
Price last confirmed 16 days ago
12 more retailers have this diamond
Prices start from $4,243 SGDSave up to $4,488 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
$4,243 SGD