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Round|Natural|IGI

1.31ct I IF Round Natural Diamond

EX • I/IF • IGI 739515734

Shape and cutting style on the report: Round brilliant

Certificate IGI 739515734

Diamond specifications and retailer prices

From $6,589 AUD
£3,636 GBP
As of November 2, 2026
Save $3,628 AUD (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $10,217 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 739515734. Listed at 3 retailers as of November 1, 2026, with prices from $6,589 to $10,217, a $3,628 spread on the same certified stone. MOH London lists it at $10,217. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 739515734
Dimensions7.05 × 7.09 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.05 mm7.09 mm1.31 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 739515734
Side View
Table 56.0%Crown 32.4°Girdle: MediumPavilion 41°CuletDepth 61.0%

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 2
Current: $10,217 AUD|Low: $6,547 AUD|High: $10,777 AUD|Avg: $8,091 AUD|-4.2%
MOH London
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$6,589 AUD
Retailer 3$7,226 AUD
MOH London$10,217 AUD

39 data points across 3 retailers

3 retailers$6,589 AUD to $10,217 AUD

A
Cheapest Retailer
-
$6,589 AUD
£3,636 GBP
A
Retailer 2
-
$7,226 AUD
€4,823 EUR
View
Most Expensive
B+
MOH London
67A86B80C · Nov 1
$10,217 AUD
£5,638 GBP
View
2 more retailers have this diamond
Prices start from $6,589 AUDSave up to $3,628 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
1.31ct Round
$6,589 AUD