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1.50ct J I1 Round Natural Diamond

EX • J/I1 • IGI 621426337

Shape and cutting style on the report: Round brilliant

Certificate IGI 621426337

Diamond specifications and retailer prices

From $2,725 SGD
₹203,028 INR
As of November 1, 2026
Save $5,138 SGD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,863 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 621426337. Listed at 8 retailers as of October 30, 2026, with prices from $2,725 to $7,863, a $5,138 spread on the same certified stone. NZ Jewellers lists it at $7,863. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 621426337
Dimensions7.37 × 7.43 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.37 mm7.43 mm1.50 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 621426337
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.9%

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: $7,863 SGD|Low: $2,719 SGD|High: $7,863 SGD|Avg: $4,325 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$2,725 SGD
Retailer 4$3,369 SGD
Retailer 6$3,761 SGD
Retailer 8$3,761 SGD
Retailer 5$3,906 SGD
Retailer 7$4,340 SGD
Retailer 2$4,383 SGD
Retailer 9$4,476 SGD
NZ Jewellers$7,863 SGD

42 data points across 9 retailers

8 retailers$2,725 SGD to $7,863 SGD

A
Cheapest Retailer
-
$2,725 SGD
₹203,028 INR
B+
Retailer 2
-
$3,369 SGD
$2,635 USD
View
B+
Retailer 3
-
$3,761 SGD
$2,942 USD
View
B+
Retailer 4
-
$3,761 SGD
$2,942 USD
View
B+
Retailer 5
-
$3,906 SGD
$3,055 USD
View
B+
Retailer 6
-
$4,340 SGD
$3,395 USD
View
B+
Retailer 7
-
$4,383 SGD
€3,265 EUR
View
Most Expensive
C
NZ Jewellers
6a494adc-304b-4a81-8841-c6eee36e9569 · Oct 30
$7,863 SGD
$6,151 USD
View
7 more retailers have this diamond
Prices start from $2,725 SGDSave up to $5,138 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 Round
$2,725 SGD