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Radiant|Lab Grown|IGI

4.07ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG692506621

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

Certificate IGI LG692506621

Diamond specifications and retailer prices

From €379 EUR
$423 USD
As of October 30, 2026
Save €1,357 EUR (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,736 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 LG692506621 or 692506621. Listed at 12 retailers as of October 29, 2026, with prices from €379 to €1,736, a €1,357 spread on the same certified stone. MOH London lists it at €1,736. 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 angle43.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692506621
Dimensions11.49 × 7.90 × 5.16 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
11.49 mm7.90 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692506621
Side View
Table 64.0%Crown 43.9°Girdle: MediumPavilion 34.4°Culet: NoneDepth 65.3%

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: €1,736 EUR|Low: €379 EUR|High: €6,078 EUR|Avg: €1,646 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€379 EUR
Retailer 2€393 EUR
Retailer 4€424 EUR
Retailer 10€470 EUR
Retailer 13€527 EUR
Retailer 11€600 EUR
Retailer 3€741 EUR
Retailer 9€774 EUR
Retailer 12€781 EUR
Retailer 6€1,115 EUR
Retailer 15€1,244 EUR
Retailer 14€1,511 EUR
MOH London€1,736 EUR
Retailer 16€2,229 EUR
Retailer 7€4,377 EUR
Retailer 8€6,078 EUR

4 data points across 16 retailers

12 retailers€379 EUR to €1,736 EUR

A
Cheapest Retailer
-
€379 EUR
$423 USD
A
Retailer 2
-
€393 EUR
£346 GBP
View
A
Retailer 3
-
€424 EUR
$474 USD
View
A
Retailer 4
-
€470 EUR
$525 USD
View
A
Retailer 5
-
€527 EUR
HK$4,600 HKD
View
A
Retailer 6
-
€600 EUR
$670 USD
View
B+
Retailer 7
-
€741 EUR
$828 USD
View
A
Retailer 8
-
€774 EUR
£681 GBP
View
A
Retailer 9
-
€781 EUR
$872 USD
View
B+
Retailer 10
-
€1,244 EUR
$1,390 USD
View
B+
Retailer 11
-
€1,511 EUR
$1,688 USD
View
Most Expensive
B+
MOH London
LG692506621 · Oct 29
€1,736 EUR
£1,527 GBP
View
11 more retailers have this diamond
Prices start from €379 EURSave up to €1,357 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
€379 EUR