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Round|Lab Grown|IGI

1.40ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499191767

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499191767

Diamond specifications and retailer prices

From $1,006 AUD
As of November 5, 2026
Save $3,577 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,583 AUD at MOH London · As of November 3, 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 LG499191767 or 499191767. Listed at 11 retailers as of November 3, 2026, with prices from $1,006 to $4,583, a $3,577 spread on the same certified stone. MOH London lists it at $4,583. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191767
Dimensions7.19 × 7.15 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.19 mm7.15 mm1.40 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191767
Side View
Table 56.0%Crown 35.1°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 62.6%

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: $4,583 AUD|Low: $966 AUD|High: $4,639 AUD|Avg: $1,944 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 7$1,006 AUD
Retailer 11$1,094 AUD
Retailer 10$1,127 AUD
Retailer 2$1,143 AUD
Retailer 8$1,167 AUD
Retailer 4$1,180 AUD
Retailer 13$1,264 AUD
Retailer 3$1,864 AUD
Retailer 9$1,894 AUD
Retailer 5$2,611 AUD
Retailer 6$2,874 AUD
Retailer 12$3,281 AUD
MOH London$4,583 AUD

16 data points across 13 retailers

11 retailers$1,006 AUD to $4,583 AUD

A
Cheapest Retailer
-
$1,006 AUD
A
Retailer 2
-
$1,094 AUD
View
A
Retailer 3
-
$1,127 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,143 AUD
View
A
Retailer 5
-
$1,167 AUD
View
Retailer 6
-
$1,167 AUD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$1,264 AUD
View
B
Retailer 8
-
$1,894 AUD
View
B
Retailer 9
-
$2,874 AUD
View
B
Retailer 10
-
$3,281 AUD
View
Most Expensive
B
MOH London
LG499191767 · Nov 3
$4,583 AUD
£2,526 GBP
View
10 more retailers have this diamond
Prices start from $1,006 AUDSave up to $3,577 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