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Radiant|Lab Grown|IGI

4.07ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG673423536

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG673423536

Diamond specifications and retailer prices

From €406 EUR
$454 USD
As of October 30, 2026
Save €1,453 EUR (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,860 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.07ct lab-grown radiant diamond

This 4.07ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG673423536 or 673423536. Listed at 12 retailers as of October 29, 2026, with prices from €406 to €1,860, a €1,453 spread on the same certified stone. MOH London lists it at €1,860. 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

4.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673423536
Dimensions11.36 × 7.82 × 5.17 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm7.82 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673423536
Side View
Table 65.0%Crown 44.6°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 66.1%

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 30
Current: €1,860 EUR|Low: €406 EUR|High: €6,078 EUR|Avg: €1,674 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
Retailer 15
Retailer 16
October 30, 2026
Retailer 5€406 EUR
Retailer 2€422 EUR
Retailer 4€455 EUR
Retailer 10€504 EUR
Retailer 13€561 EUR
Retailer 11€631 EUR
Retailer 3€789 EUR
Retailer 12€811 EUR
Retailer 9€834 EUR
Retailer 6€1,115 EUR
Retailer 15€1,254 EUR
Retailer 14€1,619 EUR
MOH London€1,860 EUR
Retailer 16€2,229 EUR
Retailer 7€4,377 EUR
Retailer 8€6,078 EUR

4 data points across 16 retailers

12 retailers€406 EUR to €1,860 EUR

A
Cheapest Retailer
-
€406 EUR
$454 USD
A
Retailer 2
-
€422 EUR
£371 GBP
View
A
Retailer 3
-
€455 EUR
$508 USD
View
A
Retailer 4
-
€504 EUR
$563 USD
View
A
Retailer 5
-
€561 EUR
HK$4,900 HKD
View
A
Retailer 6
-
€631 EUR
$705 USD
View
B+
Retailer 7
-
€789 EUR
$882 USD
View
A
Retailer 8
-
€811 EUR
$906 USD
View
A
Retailer 9
-
€834 EUR
£733 GBP
View
B+
Retailer 10
-
€1,254 EUR
$1,401 USD
View
B+
Retailer 11
-
€1,619 EUR
$1,809 USD
View
Most Expensive
B
MOH London
LG673423536 · Oct 29
€1,860 EUR
£1,636 GBP
View
11 more retailers have this diamond
Prices start from €406 EURSave up to €1,453 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
4.07ct Radiant
€406 EUR