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Round|Natural|IGI

1.40ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 747532663

Shape and cutting style on the report: Round brilliant

Certificate IGI 747532663

Diamond specifications and retailer prices

From $3,041 AUD
As of November 4, 2026
Save $2,856 AUD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,037 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 747532663. Listed at 14 retailers as of November 2, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.40
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 747532663
Dimensions7.09 × 7.16 × 4.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.09 mm7.16 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 747532663
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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 4
Current: $3,190 AUD|Low: $3,041 AUD|High: $5,968 AUD|Avg: $3,915 AUD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$3,041 AUD
Retailer 1$3,190 AUD
Retailer 6$3,364 AUD
Retailer 7$3,366 AUD
Retailer 8$3,566 AUD
Retailer 3$4,108 AUD
Retailer 2$4,170 AUD
Retailer 4$5,897 AUD

38 data points across 8 retailers

14 retailers$3,041 AUD to $5,897 AUD

A
Cheapest Retailer
-
$3,041 AUD
A
Retailer 2
-
$3,190 AUD
View
A
Retailer 3
-
$3,364 AUD
View
Retailer 4
-
$3,366 AUD
View
Price last confirmed 53 days ago
Retailer 5
-
$3,366 AUD
View
Price last confirmed 36 days ago
Retailer 6
-
$3,521 AUD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$3,566 AUD
View
Retailer 8
-
$3,884 AUD
View
Price last confirmed 53 days ago
Retailer 9
-
$3,884 AUD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$4,108 AUD
View
B+
Retailer 11
-
$4,170 AUD
View
B
Retailer 12
-
$5,897 AUD
View
Retailer 13
-
$7,037 AUD
View
Price last confirmed 52 days ago
Most Expensive
NZ Jewellers
1d17fac2-bab4-4a95-b060-a7667f93f08f · Sep 28
$7,037 AUD
$4,926 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $3,041 AUDSave up to $2,856 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
1.40ct Round
$3,041 AUD