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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 $176 USD
As of October 29, 2026
Save $850 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,026 USD 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 $176 to $1,026, a $850 spread on the same certified stone. MOH London lists it at $1,026. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,026 USD|Low: $156 USD|High: $1,026 USD|Avg: $439 USD
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$176 USD
Retailer 6$196 USD
Retailer 12$204 USD
Retailer 3$218 USD
Retailer 9$218 USD
Retailer 4$388 USD
Retailer 7$390 USD
Retailer 2$426 USD
Retailer 10$477 USD
Retailer 13$549 USD
Retailer 11$701 USD
Retailer 8$741 USD
Retailer 14$756 USD
MOH London$1,026 USD

11 data points across 14 retailers

14 retailers$176 USD to $1,026 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$204 USD
View
A
Retailer 4
-
$218 USD
View
A
Retailer 5
-
$218 USD
View
B+
Retailer 6
-
$388 USD
View
A
Retailer 7
-
$390 USD
£307 GBP
View
A
Retailer 8
-
$426 USD
£336 GBP
View
B+
Retailer 9
-
$477 USD
View
B+
Retailer 10
-
$549 USD
View
B+
Retailer 11
-
$701 USD
View
B
Retailer 12
-
$741 USD
View
B
Retailer 13
-
$756 USD
View
Most Expensive
B
MOH London
LG790625827 · Oct 29
$1,026 USD
£808 GBP
View
13 more retailers have this diamond
Prices start from $176 USDSave up to $850 USD

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
$176 USD