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Round|Natural|IGI

1.02ct J IF Round Natural Diamond

EX • J/IF • IGI 840642151

Shape and cutting style on the report: Round brilliant

Certificate IGI 840642151

Diamond specifications and retailer prices

From $3,471 NZD
As of November 6, 2026
Save $4,114 NZD (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,584 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 840642151. Listed at 6 retailers as of November 2, 2026, with prices from $3,471 to $7,584, a $4,114 spread on the same certified stone. MOH London lists it at $7,584. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 840642151
Dimensions6.55 × 6.58 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.55 mm6.58 mm1.02 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 840642151
Side View
Table 60.0%Crown 31.4°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
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 6
Current: $7,584 NZD|Low: $3,471 NZD|High: $7,625 NZD|Avg: $4,852 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$3,471 NZD
Retailer 5$4,003 NZD
Retailer 6$4,266 NZD
Retailer 3$4,634 NZD
Retailer 4$5,365 NZD
MOH London$7,584 NZD

25 data points across 6 retailers

6 retailers$3,471 NZD to $7,584 NZD

A
Cheapest Retailer
-
$3,471 NZD
A
Retailer 2
-
$4,003 NZD
View
A
Retailer 3
-
$4,266 NZD
View
A
Retailer 4
-
$4,634 NZD
View
B+
Retailer 5
-
$5,365 NZD
View
Most Expensive
B
MOH London
B55756786 · Nov 2
$7,584 NZD
£3,357 GBP
View
5 more retailers have this diamond
Prices start from $3,471 NZDSave up to $4,114 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
1.02ct Round
$3,471 NZD