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Round|Natural|IGI

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 $2,132 USD
₹203,028 INR
As of November 1, 2026
Save $4,019 USD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,151 USD 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 $2,132 to $6,151, a $4,019 spread on the same certified stone. NZ Jewellers lists it at $6,151. 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
Color
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: $6,151 USD|Low: $2,127 USD|High: $6,151 USD|Avg: $3,385 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$2,132 USD
Retailer 4$2,635 USD
Retailer 6$2,942 USD
Retailer 8$2,942 USD
Retailer 5$3,055 USD
Retailer 7$3,395 USD
Retailer 2$3,428 USD
Retailer 9$3,501 USD
NZ Jewellers$6,151 USD

43 data points across 9 retailers

8 retailers$2,132 USD to $6,151 USD

A
Cheapest Retailer
-
$2,132 USD
₹203,028 INR
B+
Retailer 2
-
$2,635 USD
View
B+
Retailer 3
-
$2,942 USD
View
B+
Retailer 4
-
$2,942 USD
View
B+
Retailer 5
-
$3,055 USD
View
B+
Retailer 6
-
$3,395 USD
View
B+
Retailer 7
-
$3,428 USD
€3,265 EUR
View
Most Expensive
C
NZ Jewellers
6a494adc-304b-4a81-8841-c6eee36e9569 · Oct 30
$6,151 USD
View
7 more retailers have this diamond
Prices start from $2,132 USDSave up to $4,019 USD

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
$2,132 USD