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 $3,782 NZD
₹203,028 INR
As of November 1, 2026
Save $7,131 NZD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,914 NZD 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 $3,782 to $10,914, a $7,131 spread on the same certified stone. NZ Jewellers lists it at $10,914. 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: $10,914 NZD|Low: $3,774 NZD|High: $10,914 NZD|Avg: $6,003 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$3,782 NZD
Retailer 4$4,675 NZD
Retailer 6$5,220 NZD
Retailer 8$5,220 NZD
Retailer 5$5,420 NZD
Retailer 7$6,024 NZD
Retailer 2$6,083 NZD
Retailer 9$6,212 NZD
NZ Jewellers$10,914 NZD

42 data points across 9 retailers

8 retailers$3,782 NZD to $10,914 NZD

A
Cheapest Retailer
-
$3,782 NZD
₹203,028 INR
B+
Retailer 2
-
$4,675 NZD
$2,635 USD
View
B+
Retailer 3
-
$5,220 NZD
$2,942 USD
View
B+
Retailer 4
-
$5,220 NZD
$2,942 USD
View
B+
Retailer 5
-
$5,420 NZD
$3,055 USD
View
B+
Retailer 6
-
$6,024 NZD
$3,395 USD
View
B+
Retailer 7
-
$6,083 NZD
€3,265 EUR
View
Most Expensive
C
NZ Jewellers
6a494adc-304b-4a81-8841-c6eee36e9569 · Oct 30
$10,914 NZD
$6,151 USD
View
7 more retailers have this diamond
Prices start from $3,782 NZDSave up to $7,131 NZD

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
$3,782 NZD