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Round|Lab Grown|IGI

1.40ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG447099402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099402

Diamond specifications and retailer prices

From $1,006 AUD
As of November 5, 2026
Save $3,566 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,572 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099402 or 447099402. Listed at 10 retailers as of November 5, 2026, with prices from $1,006 to $4,572, a $3,566 spread on the same certified stone. MOH London lists it at $4,572. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099402
Dimensions7.14 × 7.11 × 4.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.14 mm7.11 mm1.40 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099402
Side View
Table 58.5%Crown 36.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.7%

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 5
Current: $4,572 AUD|Low: $1,006 AUD|High: $4,639 AUD|Avg: $1,996 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$1,006 AUD
Retailer 6$1,126 AUD
Retailer 2$1,129 AUD
Retailer 7$1,167 AUD
Retailer 9$1,180 AUD
Retailer 8$1,864 AUD
Retailer 5$1,894 AUD
Retailer 10$2,611 AUD
Retailer 3$2,874 AUD
MOH London$4,572 AUD

15 data points across 10 retailers

10 retailers$1,006 AUD to $4,572 AUD

A
Cheapest Retailer
-
$1,006 AUD
A
Retailer 2
-
$1,094 AUD
View
A
Retailer 3
-
$1,126 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,129 AUD
View
A
Retailer 5
-
$1,167 AUD
View
Retailer 6
-
$1,167 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,894 AUD
View
B
Retailer 8
-
$2,874 AUD
View
B
Retailer 9
-
$3,281 AUD
View
Most Expensive
B
MOH London
LG447099402 · Nov 5
$4,572 AUD
£2,520 GBP
View
9 more retailers have this diamond
Prices start from $1,006 AUDSave up to $3,566 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
$1,006 AUD