Round|Lab Grown|IGI

1.40ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG790625827

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790625827

Diamond specifications and retailer prices

From $251 AUD
$176 USD
As of October 29, 2026
Save $1,210 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,461 AUD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790625827 or 790625827. Listed at 14 retailers as of October 29, 2026, with prices from $251 to $1,461, a $1,210 spread on the same certified stone. MOH London lists it at $1,461. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790625827
Dimensions7.20 × 7.16 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm7.16 mm1.40 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790625827
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.9%

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: Oct 29
Current: $1,461 AUD|Low: $222 AUD|High: $1,461 AUD|Avg: $625 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
Retailer 14
October 30, 2026
Retailer 5$251 AUD
Retailer 6$279 AUD
Retailer 12$290 AUD
Retailer 3$310 AUD
Retailer 9$310 AUD
Retailer 4$552 AUD
Retailer 7$556 AUD
Retailer 2$607 AUD
Retailer 10$679 AUD
Retailer 13$781 AUD
Retailer 11$998 AUD
Retailer 8$1,055 AUD
Retailer 14$1,076 AUD
MOH London$1,461 AUD

11 data points across 14 retailers

14 retailers$251 AUD to $1,461 AUD

A
Cheapest Retailer
-
$251 AUD
$176 USD
A
Retailer 2
-
$279 AUD
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$290 AUD
$204 USD
View
A
Retailer 4
-
$310 AUD
$218 USD
View
A
Retailer 5
-
$310 AUD
$218 USD
View
B+
Retailer 6
-
$552 AUD
$388 USD
View
A
Retailer 7
-
$556 AUD
£307 GBP
View
A
Retailer 8
-
$607 AUD
£336 GBP
View
B+
Retailer 9
-
$679 AUD
$477 USD
View
B+
Retailer 10
-
$781 AUD
$549 USD
View
B+
Retailer 11
-
$998 AUD
$701 USD
View
B
Retailer 12
-
$1,055 AUD
$741 USD
View
B
Retailer 13
-
$1,076 AUD
$756 USD
View
Most Expensive
B
MOH London
LG790625827 · Oct 29
$1,461 AUD
£808 GBP
View
13 more retailers have this diamond
Prices start from $251 AUDSave up to $1,210 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
$251 AUD