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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 €158 EUR
$176 USD
As of October 29, 2026
Save €761 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €919 EUR 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 €158 to €919, a €761 spread on the same certified stone. MOH London lists it at €919. 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: €919 EUR|Low: €140 EUR|High: €919 EUR|Avg: €393 EUR
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€158 EUR
Retailer 6€175 EUR
Retailer 12€183 EUR
Retailer 3€195 EUR
Retailer 9€195 EUR
Retailer 4€347 EUR
Retailer 7€350 EUR
Retailer 2€382 EUR
Retailer 10€427 EUR
Retailer 13€491 EUR
Retailer 11€627 EUR
Retailer 8€663 EUR
Retailer 14€677 EUR
MOH London€919 EUR

11 data points across 14 retailers

14 retailers€158 EUR to €919 EUR

A
Cheapest Retailer
-
€158 EUR
$176 USD
A
Retailer 2
-
€175 EUR
$196 USD
View
Final sale: no returns
A
Retailer 3
-
€183 EUR
$204 USD
View
A
Retailer 4
-
€195 EUR
$218 USD
View
A
Retailer 5
-
€195 EUR
$218 USD
View
B+
Retailer 6
-
€347 EUR
$388 USD
View
A
Retailer 7
-
€350 EUR
£307 GBP
View
A
Retailer 8
-
€382 EUR
£336 GBP
View
B+
Retailer 9
-
€427 EUR
$477 USD
View
B+
Retailer 10
-
€491 EUR
$549 USD
View
B+
Retailer 11
-
€627 EUR
$701 USD
View
B
Retailer 12
-
€663 EUR
$741 USD
View
B
Retailer 13
-
€677 EUR
$756 USD
View
Most Expensive
B
MOH London
LG790625827 · Oct 29
€919 EUR
£808 GBP
View
13 more retailers have this diamond
Prices start from €158 EURSave up to €761 EUR

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
€158 EUR