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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 $2,787 AUD
As of November 6, 2026
Save $3,303 AUD (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,090 AUD 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 $2,787 to $6,090, a $3,303 spread on the same certified stone. MOH London lists it at $6,090. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,090 AUD|Low: $2,787 AUD|High: $6,123 AUD|Avg: $3,896 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$2,787 AUD
Retailer 5$3,214 AUD
Retailer 6$3,426 AUD
Retailer 3$3,721 AUD
Retailer 4$4,308 AUD
MOH London$6,090 AUD

25 data points across 6 retailers

6 retailers$2,787 AUD to $6,090 AUD

A
Cheapest Retailer
-
$2,787 AUD
A
Retailer 2
-
$3,214 AUD
View
A
Retailer 3
-
$3,426 AUD
View
A
Retailer 4
-
$3,721 AUD
View
B+
Retailer 5
-
$4,308 AUD
View
Most Expensive
B
MOH London
B55756786 · Nov 2
$6,090 AUD
£3,357 GBP
View
5 more retailers have this diamond
Prices start from $2,787 AUDSave up to $3,303 AUD

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
$2,787 AUD