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1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 728527676

Shape and cutting style on the report: Round brilliant

Certificate IGI 728527676

Diamond specifications and retailer prices

From $3,857 SGD
As of November 4, 2026
Save $3,115 SGD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,284 SGD at NZ Jewellers · As of September 19, 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 IGI 728527676. Listed at 8 retailers as of November 4, 2026, with a 81% 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
FluorescenceNone
Crown angle32.9°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 728527676
Dimensions7.41 × 7.37 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.41 mm7.37 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 728527676
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,293 SGD|Low: $3,537 SGD|High: $7,075 SGD|Avg: $4,615 SGD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 9$3,658 SGD
Retailer 8$3,748 SGD
Retailer 4$3,857 SGD
Retailer 6$4,121 SGD
Retailer 10$4,138 SGD
Retailer 1$4,293 SGD
Retailer 5$4,471 SGD
Retailer 7$4,902 SGD
Retailer 2$5,961 SGD
Retailer 3$6,973 SGD

19 data points across 10 retailers

8 retailers$3,857 SGD to $6,973 SGD

Retailer 1
-
$3,748 SGD
Price last confirmed 82 days ago
A
Retailer 2
-
$3,857 SGD
View
Final sale: no returns
Retailer 3
-
$4,121 SGD
View
Price last confirmed 50 days ago
A
Retailer 4
-
$4,293 SGD
View
Retailer 5
-
$4,471 SGD
View
Price last confirmed 11 days ago
Retailer 6
-
$4,824 SGD
View
Price last confirmed 45 days ago
B
Retailer 7
-
$6,973 SGD
View
Most Expensive
NZ Jewellers
1af7b4d8-dd66-4686-8b9c-074c18b0e1df · Sep 19
$7,284 SGD
$5,703 USD
View
Price last confirmed 47 days ago
7 more retailers have this diamond
Prices start from $3,857 SGDSave up to $3,115 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
$3,857 SGD